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Directory · Illinois · Commercial auto

Who writes commercial auto in Illinois

Ranked by direct premium written in 2025 from the Illinois market share report (every company, not a top-N list).

448 companies wrote commercial auto in Illinois in 2025, $3.21B in direct premium. Artisan and Truckers Casualty Company led with 8.7%; the top five hold 22%. 569 companies are licensed for the line.

By Sam Alishahi, independent insurance broker · All lines in Illinois

Top 10 · NAIC table: Total Commercial Auto

The insurer groups that write the most commercial auto in Illinois

Top 10 insurer groups by direct premium written in 2025, from the NAIC's Market Share Reports for Property/Casualty Groups and Companies by State. A group is the parent and its insurance companies together; share is the group's part of the state total for the line; loss ratio is losses incurred over premium earned.

#Insurer groupPremium writtenShareLoss ratioMember companies here
1Progressive Group$310.3M9.67%67%Progressive County Mutual Insurance Company, United Financial Casualty Company, Progressive Universal Insurance Company, Progressive Direct Insurance Company
2Old Republic Group$170.4M5.31%66%Old Republic Insurance Company, Great West Casualty Company, BITCO General Insurance Corporation, Pennsylvania Manufacturers' Association Insurance Company
3Travelers Group$167.9M5.23%62%Travelers Property Casualty Company of America, Standard Fire Insurance Company (The), Travelers Personal Insurance Company, Travelers Casualty and Surety Company of America
4Liberty Mutual Group$154.7M4.82%38%Safeco Insurance Company of America, Liberty Insurance Underwriters, Inc., Liberty Mutual Fire Insurance Company, Liberty County Mutual Insurance Company
5Berkshire Hathaway Group$146.2M4.55%74%GEICO General Insurance Company, GEICO Texas County Mutual Insurance Company, GEICO County Mutual Insurance Company, Government Employees Insurance Company
6Ms & Ad Insurance Group$115.2M3.59%53%Mitsui Sumitomo Insurance Company of America, MS Transverse Insurance Company, MS Transverse Specialty Insurance Company, Mitsui Sumitomo Insurance USA Inc.
7Wr Berkley Corporation Group$113.0M3.52%79%Berkley Assurance Company, Berkley National Insurance Company, Carolina Casualty Insurance Company, StarNet Insurance Company
8Zurich Insurance Group$94.8M2.95%57%Zurich American Insurance Company, Rural Community Insurance Company, American Zurich Insurance Company, American Guarantee and Liability Insurance Company
9American International Group$93.0M2.90%72%National Union Fire Insurance Company of Pittsburgh, Pennsylvania, AIG Property Casualty Company, Lexington Insurance Company, AIU Insurance Company
10State Farm Group$92.4M2.88%79%State Farm Mutual Automobile Insurance Company, State Farm Fire and Casualty Company, State Farm Lloyds, State Farm General Insurance Company
Commercial auto · Illinois

The companies

#CompanyNAICHome stateStatus herePremiumShare
1Artisan and Truckers Casualty Company10194WIAdmitted (licensed)$278.4M8.68%
2Great West Casualty Company11371NEAdmitted (licensed)$124.2M3.87%
3Liberty Surplus Insurance Corporation10725NHAdmitted (licensed)$117.6M3.66%
4MS Transverse Insurance Company21075TXAdmitted (licensed)$96.3M3.00%
5Zurich American Insurance Company16535NYAdmitted (licensed)$78.1M2.43%
6GEICO Marine Insurance Company37923NEAdmitted (licensed)$77.6M2.42%
7ACUITY, A Mutual Insurance Company14184WIAdmitted (licensed)$73.3M2.28%
8National Union Fire Insurance Company of Pittsburgh, Pennsylvania19445PAAdmitted (licensed)$73.1M2.28%
9National Specialty Insurance Company22608TXAdmitted (licensed)$73.0M2.27%
10Northland Insurance Company24015CTAdmitted (licensed)$62.8M1.96%
11Pekin Insurance Company24228ILAdmitted (licensed)$60.8M1.89%
12Carolina Casualty Insurance Company10510IAAdmitted (licensed)$56.3M1.75%
13West Bend Insurance Company15350WIAdmitted (licensed)$55.1M1.72%
14State Farm Fire and Casualty Company25143ILAdmitted (licensed)$54.4M1.70%
15Sentry Select Insurance Company21180WIAdmitted (licensed)$52.5M1.64%
16TransGuard Insurance Company of America, Inc.28886ILAdmitted (licensed)$50.5M1.57%
17Arch Insurance (UK) Limited11150MOAdmitted (licensed)$47.1M1.47%
18Auto-Owners Insurance Company18988MIAdmitted (licensed)$45.9M1.43%
19COUNTRY Mutual Insurance Company20990ILAdmitted (licensed)$45.5M1.42%
20Erie Insurance Exchange26271PAAdmitted (licensed)$43.2M1.35%
21SECURA Insurance Company22543WIAdmitted (licensed)$38.8M1.21%
22Cincinnati Insurance Company (The)10677OHAdmitted (licensed)$36.0M1.12%
23Old Republic Insurance Company24147PAAdmitted (licensed)$35.5M1.11%
24First Chicago Insurance Company13587ILAdmitted (licensed)$34.0M1.06%
25NATIONAL LIABILITY \u0026 FIRE INSURANCE COMPANY20052CTAdmitted (licensed)$33.2M1.04%
26Protective Insurance Company12416INAdmitted (licensed)$31.9M0.99%
27National Interstate Insurance Company32620OHAdmitted (licensed)$31.3M0.97%
28State Farm Mutual Automobile Insurance Company25178ILAdmitted (licensed)$30.9M0.96%
29Highlander Specialty Insurance Company16777TXAdmitted (licensed)$30.8M0.96%
30Berkley Casualty Company15911IAAdmitted (licensed)$28.8M0.90%
31Travelers Property Casualty Company of America25674CTAdmitted (licensed)$27.1M0.84%
32Prime Property & Casualty Insurance Inc.14371ILAdmitted (licensed)$24.7M0.77%
33Allied World Surplus Lines Insurance Company24319ARAdmitted (licensed)$24.0M0.75%
34Pioneer Specialty Insurance Company40312MNAdmitted (licensed)$23.0M0.72%
35Selective Insurance Company of America12572NJAdmitted (licensed)$19.5M0.61%
36American Inter-Fidelity Exchange40088INAdmitted (licensed)$18.6M0.58%
37Charter Oak Fire Insurance Company, (The)25615CTAdmitted (licensed)$18.1M0.56%
38Philadelphia Indemnity Insurance Company18058PAAdmitted (licensed)$18.0M0.56%
39Federal Insurance Company20281INAdmitted (licensed)$17.6M0.55%
40Travelers Indemnity Company (The)25658CTAdmitted (licensed)$17.1M0.53%
41Western National Mutual Insurance Company15377MNAdmitted (licensed)$16.4M0.51%
42Liberty Mutual Fire Insurance Company23035WIAdmitted (licensed)$16.4M0.51%
43Travelers Indemnity Company of Connecticut (The)25682CTAdmitted (licensed)$16.4M0.51%
44Hartford Fire Insurance Company19682CTAdmitted (licensed)$15.8M0.49%
45Greenwich Insurance Company22322DEAdmitted (licensed)$15.8M0.49%
46Federated Mutual Insurance Company13935MNAdmitted (licensed)$15.8M0.49%
47Incline Casualty Company11090TXAdmitted (licensed)$15.7M0.49%
48Owners Insurance Company32700OHAdmitted (licensed)$15.2M0.47%
49AmTrust Insurance Company15954DEAdmitted (licensed)$14.8M0.46%
50MS Transverse Specialty Insurance Company41807TXAdmitted (licensed)$14.0M0.44%
51Wesco Insurance Company25011DEAdmitted (licensed)$13.2M0.41%
52Canal Insurance Company10464SCAdmitted (licensed)$13.2M0.41%
53Lexington Insurance Company19437DEAdmitted (licensed)$12.9M0.40%
54|Trisura Specialty Insurance Company16188OKAdmitted (licensed)$12.7M0.40%
55Allmerica Financial Benefit Insurance Company41840MIAdmitted (licensed)$12.6M0.39%
56Berkshire Hathaway Homestate Insurance Company20044NEAdmitted (licensed)$12.6M0.39%
57Accredited Surety and Casualty Company, Inc.26379FLAdmitted (licensed)$12.5M0.39%
58National Fire Insurance Company of Hartford20478ILAdmitted (licensed)$12.3M0.38%
59Transit General Ins Co13660ILAdmitted (licensed)$12.3M0.38%
60Spinnaker Insurance Company24376ILAdmitted (licensed)$11.8M0.37%
61North River Insurance Company (The)21105NJAdmitted (licensed)$11.7M0.36%
62Trisura Insurance Company22225OKAdmitted (licensed)$11.3M0.35%
63Empire Fire and Marine Insurance Company21326ILAdmitted (licensed)$10.9M0.34%
64Selective Insurance Company of South Carolina19259INAdmitted (licensed)$10.6M0.33%
65Great American Assurance Company26344OHAdmitted (licensed)$10.6M0.33%
66CorePointe Insurance Company10499DEAdmitted (licensed)$10.4M0.32%
67Frankenmuth Insurance Company13986MIAdmitted (licensed)$10.1M0.31%
68Atlantic Specialty Insurance Company27154NYAdmitted (licensed)$9.9M0.31%
69United States Fire Insurance Company21113DEAdmitted (licensed)$9.7M0.30%
70GEICO General Insurance Company35882NEAdmitted (licensed)$9.7M0.30%
71Ace American Insurance Company22667PAAdmitted (licensed)$9.6M0.30%
72Trumbull Insurance Company27120CTAdmitted (licensed)$9.5M0.30%
73Cincinnati Indemnity Company (The)23280OHAdmitted (licensed)$9.4M0.29%
74Nationwide Agribusiness Insurance Company28223IAAdmitted (licensed)$9.4M0.29%
75Continental Casualty Company20443ILAdmitted (licensed)$9.3M0.29%
76Continental Insurance Company, (The)35289PAAdmitted (licensed)$9.3M0.29%
77Motors Insurance Corporation22012MIAdmitted (licensed)$9.2M0.29%
78Bricktown Specialty Insurance Company17166OKAdmitted (licensed)$8.7M0.27%
79Navigators Insurance Company42307NYAdmitted (licensed)$8.6M0.27%
80Sentry Insurance Company24988WIAdmitted (licensed)$8.6M0.27%
81EMPLOYERS MUTUAL CASUALTY COMPANY Employers Mutual Casualty Company)21415IAAdmitted (licensed)$8.3M0.26%
82|Texas Insurance Company16543TXAdmitted (licensed)$8.2M0.25%
83Midvale Indemnity Company27138WIAdmitted (licensed)$8.1M0.25%
84Obsidian Insurance Company35602OHAdmitted (licensed)$7.9M0.25%
85Concert Specialty Insurance Company17151MTAdmitted (licensed)$7.9M0.25%
86Selective Insurance Company of the Southeast39926INAdmitted (licensed)$7.8M0.24%
87Valley Forge Insurance Company20508PAAdmitted (licensed)$7.6M0.24%
88Great Northern Insurance Company20303INAdmitted (licensed)$7.5M0.24%
89Grinnell Mutual Reinsurance Company, SI14117IAAdmitted (licensed)$7.4M0.23%
90HiRoad Assurance Company16138ILAdmitted (licensed)$7.1M0.22%
91SiriusPoint America Insurance Company38776NYAdmitted (licensed)$7.0M0.22%
92STARR INDEMNITY \u0026 LIABILITY COMPANY38318TXAdmitted (licensed)$6.8M0.21%
93Unique Insurance Company10655ILAdmitted (licensed)$6.7M0.21%
94Nutmeg Insurance Company39608CTAdmitted (licensed)$6.4M0.20%
95Hoxbridge Insurance Company, Inc., a Risk Retention Group16759HIAdmitted (licensed)$6.3M0.20%
96Ace Property and Casualty Insurance Company20699PAAdmitted (licensed)$6.3M0.20%
97Motorists Commercial Mutual Insurance Company13331OHAdmitted (licensed)$6.3M0.20%
98Fortegra Specialty Insurance Company16823AZAdmitted (licensed)$6.1M0.19%
99Southlake Specialty Insurance Company16999TXAdmitted (licensed)$6.0M0.19%
100Utica Mutual Insurance Company25976NYAdmitted (licensed)$5.9M0.18%
101UNITED FIRE \u0026 CASUALTY COMPANY13021IAAdmitted (licensed)$5.8M0.18%
102Key Risk Insurance Company10885IAAdmitted (licensed)$5.8M0.18%
103NATIONAL FIRE \u0026 MARINE INSURANCE COMPANY\20079NEAdmitted (licensed)$5.7M0.18%
104IMT Insurance Company14257IAAdmitted (licensed)$5.7M0.18%
105Flagship City Insurance Company35585PAAdmitted (licensed)$5.6M0.18%
106Travelers Indemnity Company of America (The)25666CTAdmitted (licensed)$5.5M0.17%
107Mobilitas Insurance Company16392AZAdmitted (licensed)$5.5M0.17%
108BITCO General Insurance Corporation20095IAAdmitted (licensed)$5.4M0.17%
109State Automobile Mutual Insurance Company25135OHAdmitted (licensed)$5.4M0.17%
110Everspan Insurance Company24961AZAdmitted (licensed)$5.3M0.16%
111Nationwide Mutual Insurance Company23787OHAdmitted (licensed)$5.2M0.16%
112Vanliner Insurance Company21172OHAdmitted (licensed)$5.2M0.16%
113Incline Americas Insurance Company17532TXAdmitted (licensed)$5.2M0.16%
114Palms Specialty Insurance Company, Inc.17327DEAdmitted (licensed)$5.1M0.16%
115St. Paul Protective Insurance Company19224CTAdmitted (licensed)$5.0M0.16%
116Westfield Insurance Company24112OHAdmitted (licensed)$5.0M0.16%
117Knightbrook Insurance Company13722DEAdmitted (licensed)$4.9M0.15%
118Hudson Insurance Company25054DEAdmitted (licensed)$4.9M0.15%
119Grange Indemnity Insurance Company10322OHAdmitted (licensed)$4.9M0.15%
120StarStone Specialty Insurance Company44776DEAdmitted (licensed)$4.8M0.15%
121Union Insurance Company25844IAAdmitted (licensed)$4.8M0.15%
122Falls Lake National Insurance Company31925OHAdmitted (licensed)$4.8M0.15%
123Midwest Family Mutual Insurance Company23574IAAdmitted (licensed)$4.7M0.15%
124Rockford Mutual Insurance Company27065ILAdmitted (licensed)$4.7M0.15%
125Everest National Insurance Company10120DEAdmitted (licensed)$4.6M0.14%
126Argonaut-Midwest Insurance Company19828NEAdmitted (licensed)$4.6M0.14%
127County Hall Insurance Company Inc., A Risk Retention Group15947NCAdmitted (licensed)$4.6M0.14%
128Shelter General Insurance Company23361MOAdmitted (licensed)$4.6M0.14%
129Third Coast Insurance Company10713WIAdmitted (licensed)$4.6M0.14%
130Federated Service Insurance Company28304MNAdmitted (licensed)$4.5M0.14%
131Ohio Security Insurance Company24082NHAdmitted (licensed)$4.4M0.14%
132Century-National Insurance Company26905ILAdmitted (licensed)$4.4M0.14%
133SOCIETY INSURANCE, a mutual company15261WIAdmitted (licensed)$4.3M0.14%
134Triangle Insurance Company, Inc.28535OKAdmitted (licensed)$4.3M0.13%
135AIG Specialty Insurance Company26883ILAdmitted (licensed)$4.3M0.13%
136Phoenix Insurance Company, (The)25623CTAdmitted (licensed)$4.0M0.13%
137Amerisure Mutual Insurance Company23396MIAdmitted (licensed)$4.0M0.12%
138Tokio Marine America Insurance Company10945NYAdmitted (licensed)$4.0M0.12%
139Westfield National Insurance Company24120OHAdmitted (licensed)$3.9M0.12%
140Hastings Insurance Company14176MIAdmitted (licensed)$3.9M0.12%
141Western National Assurance Company24465MNAdmitted (licensed)$3.8M0.12%
142New York Marine and General Insurance Company16608NYAdmitted (licensed)$3.8M0.12%
143Indiana Farmers Mutual Insurance Company22624INAdmitted (licensed)$3.8M0.12%
144Amerisure Insurance Company19488MIAdmitted (licensed)$3.6M0.11%
145Berkley National Insurance Company38911IAAdmitted (licensed)$3.6M0.11%
146Safety National Casualty Corporation15105MOAdmitted (licensed)$3.6M0.11%
147Founders Insurance Company14249ILAdmitted (licensed)$3.5M0.11%
148Hartford Accident and Indemnity Company22357CTAdmitted (licensed)$3.5M0.11%
149Benchmark Insurance Company41394KSAdmitted (licensed)$3.5M0.11%
150Milford Casualty Insurance Company26662DEAdmitted (licensed)$3.4M0.11%
151RLI Insurance Company13056ILAdmitted (licensed)$3.3M0.10%
152Harco National Insurance Company26433ILAdmitted (licensed)$3.3M0.10%
153OCCIDENTAL FIRE \u0026 CASUALTY COMPANY OF NORTH CAROLINA23248NCAdmitted (licensed)$3.3M0.10%
154Grange Insurance Company14060OHAdmitted (licensed)$3.2M0.10%
155Old Guard Insurance Company17558OHAdmitted (licensed)$3.2M0.10%
156Liberty Mutual Insurance Company42404ILAdmitted (licensed)$3.1M0.10%
157MSIG Specialty Insurance USA Inc.34886NYAdmitted (licensed)$3.1M0.10%
158American Casualty Company of Reading, Pennsylvania20427PAAdmitted (licensed)$3.0M0.09%
159Evolum Risk Retention Group, Inc.17646ALAdmitted (licensed)$3.0M0.09%
160Zurich American Insurance Company of Illinois27855ILAdmitted (licensed)$3.0M0.09%
161Knight Specialty Insurance Company15366DEAdmitted (licensed)$2.8M0.09%
162Sompo America Insurance Company11126NYAdmitted (licensed)$2.8M0.09%
163AXIS Insurance Company37273ILAdmitted (licensed)$2.8M0.09%
164Benchmark Specialty Insurance Company17180ARAdmitted (licensed)$2.7M0.09%
165Travelers Casualty Insurance Company of America19046CTAdmitted (licensed)$2.7M0.09%
166American Road Insurance Company (The)19631MIAdmitted (licensed)$2.7M0.08%
167National Indemnity Company20087NEAdmitted (licensed)$2.7M0.08%
168St. Paul Guardian Insurance Company24775CTAdmitted (licensed)$2.7M0.08%
169Technology Transportation Mutual Risk Retention Group, Inc.17046ALAdmitted (licensed)$2.7M0.08%
170Truck Insurance Exchange21709CAAdmitted (licensed)$2.7M0.08%
171Circle Star Insurance Company, A Risk Retention Group11839VTAdmitted (licensed)$2.6M0.08%
172GuideOne Insurance Company15032IAAdmitted (licensed)$2.6M0.08%
173Imperium Insurance Company35408TXAdmitted (licensed)$2.6M0.08%
174Atlantic States Insurance Company22586PAAdmitted (licensed)$2.6M0.08%
175STAR Mutual Risk Retention Group, Inc.17024TNAdmitted (licensed)$2.5M0.08%
176Superior Specialty Insurance Company (SSIC)16551TXAdmitted (licensed)$2.5M0.08%
177Accredited Specialty Insurance Company (C)16835AZAdmitted (licensed)$2.5M0.08%
178Donegal Mutual Insurance Company13692PAAdmitted (licensed)$2.5M0.08%
179Old Republic Union Insurance Company31143ILAdmitted (licensed)$2.4M0.08%
180Markel Insurance Company38970ILAdmitted (licensed)$2.4M0.07%
181Transportation Insurance Company20494ILAdmitted (licensed)$2.4M0.07%
182AmGUARD Insurance Company42390NEAdmitted (licensed)$2.3M0.07%
183EMC PROPERTY \u0026 CASUALTY COMPANY25186IAAdmitted (licensed)$2.3M0.07%
184First Guard Insurance Company10676AZAdmitted (licensed)$2.2M0.07%
185Church Mutual Insurance Company, S. I.18767WIAdmitted (licensed)$2.2M0.07%
186Berkley Regional Insurance Company29580IAAdmitted (licensed)$2.1M0.07%
187Central Insurance Company20230OHAdmitted (licensed)$2.1M0.07%
188Sutton National Insurance Company25798OKAdmitted (licensed)$2.1M0.06%
189AM Specialty Insurance Company (C)17091AZAdmitted (licensed)$2.0M0.06%
190American Guarantee and Liability Insurance Company26247NYAdmitted (licensed)$2.0M0.06%
191EMCASCO Insurance Company21407IAAdmitted (licensed)$2.0M0.06%
192Nationwide Property and Casualty Insurance Company37877OHAdmitted (licensed)$2.0M0.06%
193General Insurance Company of America24732NHAdmitted (licensed)$1.9M0.06%
194Acadia Insurance Company31325IAAdmitted (licensed)$1.9M0.06%
195Great American Insurance Company16691OHAdmitted (licensed)$1.9M0.06%
196FCCI Insurance Company10178FLAdmitted (licensed)$1.9M0.06%
197StarStone National Insurance Company25496DEAdmitted (licensed)$1.9M0.06%
198Lancer Insurance Company26077ILAdmitted (licensed)$1.9M0.06%
199Cincinnati Casualty Company (The)28665OHAdmitted (licensed)$1.8M0.06%
200Scottsdale Insurance Company41297OHAdmitted (licensed)$1.8M0.06%
201Firemen's Insurance Company of Washington, D. C.21784IAAdmitted (licensed)$1.8M0.06%
202Stonegate Insurance Company14012ILAdmitted (licensed)$1.8M0.06%
203Everest Denali Insurance Company16044DEAdmitted (licensed)$1.8M0.05%
204Fidelity and Guaranty Insurance Company35386IAAdmitted (licensed)$1.7M0.05%
205Sentinel Insurance Company, Limited11000CTAdmitted (licensed)$1.7M0.05%
206Great Divide Insurance Company25224NDAdmitted (licensed)$1.7M0.05%
207Intrepid Specialty Insurance Company17181IAAdmitted (licensed)$1.7M0.05%
208St. Paul Mercury Insurance Company24791CTAdmitted (licensed)$1.7M0.05%
209XL Insurance America, Inc.24554DEAdmitted (licensed)$1.7M0.05%
210CRUM \u0026 FORSTER INDEMNITY COMPANY31348DEAdmitted (licensed)$1.7M0.05%
211Westfield Champion Insurance Company16447OHAdmitted (licensed)$1.7M0.05%
212Berkshire Hathaway Direct Insurance Company10391NEAdmitted (licensed)$1.6M0.05%
213Farmers Insurance Exchange21652CAAdmitted (licensed)$1.6M0.05%
214Cumis Insurance Society Incorporated10847IAAdmitted (licensed)$1.6M0.05%
215Brotherhood Mutual Insurance Company13528INAdmitted (licensed)$1.6M0.05%
216Travelers Casualty Company of Connecticut36170CTAdmitted (licensed)$1.6M0.05%
217State National Insurance Company, Inc.12831TXAdmitted (licensed)$1.5M0.05%
218National Fire & Casualty Company41068ILAdmitted (licensed)$1.5M0.05%
219Grinnell Select Insurance Company16144IAAdmitted (licensed)$1.5M0.05%
220Motor Transport Mutual Risk Retention Group, Inc.16700ALAdmitted (licensed)$1.5M0.05%
221Manufacturers Alliance Insurance Company36897PAAdmitted (licensed)$1.5M0.05%
222MIC General Insurance Corporation38660ILAdmitted (licensed)$1.5M0.05%
223First Liberty Insurance Corporation (The)33588ILAdmitted (licensed)$1.5M0.05%
224Crestbrook Insurance Company18961OHAdmitted (licensed)$1.4M0.04%
225Pennsylvania Manufacturers' Association Insurance Company12262PAAdmitted (licensed)$1.4M0.04%
226Alliance of Nonprofits for Insurance Risk Retention Group Inc.10023VTAdmitted (licensed)$1.4M0.04%
227American Family Home Insurance Company23450FLAdmitted (licensed)$1.4M0.04%
228New Hampshire Insurance Company23841ILAdmitted (licensed)$1.4M0.04%
229Gemini Insurance Company10833DEAdmitted (licensed)$1.3M0.04%
230Pennsylvania Lumbermen's Mutual Insurance Company14974PAAdmitted (licensed)$1.3M0.04%
231American Select Insurance Company19992OHAdmitted (licensed)$1.3M0.04%
232Wadena Insurance Company12528IAAdmitted (licensed)$1.3M0.04%
233Trailblazers Insurance Company, Inc., a Risk Retention Group16994ALAdmitted (licensed)$1.3M0.04%
234CUSA Risk Retention Group, Inc.16222VTAdmitted (licensed)$1.3M0.04%
235General Security Indemnity Company of Arizona20559AZAdmitted (licensed)$1.3M0.04%
236Addison Insurance Company10324IAAdmitted (licensed)$1.2M0.04%
237Motorists Mutual Insurance Company14621OHAdmitted (licensed)$1.2M0.04%
238U.S. Specialty Insurance Company29599TXAdmitted (licensed)$1.2M0.04%
239Graphic Arts Mutual Insurance Company25984NYAdmitted (licensed)$1.2M0.04%
240Granada Indemnity Company38148NYAdmitted (licensed)$1.2M0.04%
241Gotham Insurance Company25569NYAdmitted (licensed)$1.2M0.04%
242L M Insurance Corporation33600ILAdmitted (licensed)$1.1M0.04%
243Ascot Insurance Company23752COAdmitted (licensed)$1.1M0.04%
244Republic-Franklin Insurance Company12475OHAdmitted (licensed)$1.1M0.03%
245XL Specialty Insurance Company37885DEAdmitted (licensed)$1.1M0.03%
246Continental Western Insurance Company10804IAAdmitted (licensed)$1.1M0.03%
247CRUM \u0026 FORSTER SPECIALTY INSURANCE COMPANY\44520DEAdmitted (licensed)$1.1M0.03%
248Intrepid Insurance Company10749IAAdmitted (licensed)$1.1M0.03%
249Penn Millers Insurance Company14982PAAdmitted (licensed)$1.0M0.03%
250Indemnity Insurance Company of North America43575PAAdmitted (licensed)$1.0M0.03%
251Star Insurance Company18023MIAdmitted (licensed)$1.0M0.03%
252Phenix Mutual Fire Insurance Company23175OHAdmitted (licensed)$1.0M0.03%
253Trustgard Insurance Company40118OHAdmitted (licensed)$1.0M0.03%
254A-One Commercial Insurance Risk Retention Group, Inc.15597TNAdmitted (licensed)$1.0M0.03%
255Hartford Underwriters Insurance Company30104CTAdmitted (licensed)$1.0M0.03%
256STATE AUTO PROPERTY \u0026 CASUALTY INSURANCE COMPANY25127IAAdmitted (licensed)$1.0M0.03%
257Grinnell Compass, Inc.15831IAAdmitted (licensed)$987,8790.03%
258Mitsui Sumitomo Insurance Company of America20362NYAdmitted (licensed)$973,0200.03%
259Pacific Insurance Company, Limited10046CTAdmitted (licensed)$929,8830.03%
260Federated Rural Electric Insurance Exchange11118KSAdmitted (licensed)$895,9610.03%
261Atlantic Casualty Insurance Company42846NCAdmitted (licensed)$884,1250.03%
262Obsidian Specialty Insurance Company16871DEAdmitted (licensed)$882,5210.03%
263Westfield Superior Insurance Company16449OHAdmitted (licensed)$827,4330.03%
264Nationwide General Insurance Company23760OHAdmitted (licensed)$812,8940.03%
265Standard Fire Insurance Company (The)19070CTAdmitted (licensed)$810,3870.03%
266Berkshire Hathaway Specialty Insurance Company22276NEAdmitted (licensed)$803,3670.03%
267American Summit Insurance Company19623TXAdmitted (licensed)$764,5820.02%
268American Trucking and Transportation Insurance Company, A Risk Retention Group11534MTAdmitted (licensed)$748,4750.02%
269Concert Insurance Company10891ILAdmitted (licensed)$725,1040.02%
270Mitsui Sumitomo Insurance USA Inc.22551NYAdmitted (licensed)$723,7270.02%
271James River Insurance Company12203OHAdmitted (licensed)$720,3610.02%
272Ohio Farmers Insurance Company24104OHAdmitted (licensed)$717,7130.02%
273Mid-Century Insurance Company21687CAAdmitted (licensed)$700,9580.02%
274Palomar Excess and Surplus Insurance Company16754AZAdmitted (licensed)$684,4190.02%
275Ooida RRG Inc10353VTAdmitted (licensed)$680,3180.02%
276American Contractors Insurance Company Risk Retention Group12300TXAdmitted (licensed)$664,0080.02%
277Columbia Mutual Insurance Company40371MOAdmitted (licensed)$659,1780.02%
278American Zurich Insurance Company40142ILAdmitted (licensed)$656,7080.02%
279Security National Insurance Company19879DEAdmitted (licensed)$652,3640.02%
280Westfield Premier Insurance Company16450OHAdmitted (licensed)$643,3720.02%
281Granite State Insurance Company23809ILAdmitted (licensed)$632,9060.02%
282Long Iron Insurance Risk Retention Group, Inc.17034SCAdmitted (licensed)$632,7090.02%
283Hanover Insurance Company (The)22292NHAdmitted (licensed)$626,1190.02%
284Ascot Specialty Insurance Company45055RIAdmitted (licensed)$613,4880.02%
285American Automobile Insurance Company21849MOAdmitted (licensed)$597,7060.02%
286ARCOA Risk Retention Group Inc13177NVAdmitted (licensed)$579,2670.02%
287Wilson Mutual Insurance Company19950OHAdmitted (licensed)$576,5280.02%
288Association Casualty Insurance Company35629TXAdmitted (licensed)$567,1590.02%
289Ohio Casualty Insurance Company (The)24074NHAdmitted (licensed)$565,0520.02%
290First Financial Insurance Company11177ILAdmitted (licensed)$560,6210.02%
291Farmington Casualty Company41483CTAdmitted (licensed)$550,5590.02%
292GREAT AMERICAN E\u0026 S INSURANCE COMPANY\37532OHAdmitted (licensed)$547,0110.02%
293Canopius US Insurance, Inc.12961DEAdmitted (licensed)$543,8700.02%
294Goodville Mutual Casualty Company14044PAAdmitted (licensed)$531,1070.02%
295Nationwide Insurance Company of America25453OHAdmitted (licensed)$522,4780.02%
296Nationwide Mutual Insurance Company10723OHAdmitted (licensed)$505,8550.02%
297American Alternative Insurance Corporation19720DEAdmitted (licensed)$505,5460.02%
298American Fire and Casualty Company24066NHAdmitted (licensed)$497,5760.02%
299National Trust Insurance Company20141INAdmitted (licensed)$491,1660.02%
300Accelerant National Insurance Company10220ARAdmitted (licensed)$485,0320.02%
301Country Casualty Insurance Company20982ILAdmitted (licensed)$482,9720.02%
302Hilltop Specialty Insurance Company37079NYAdmitted (licensed)$474,6680.01%
303Hartford Casualty Insurance Company29424INAdmitted (licensed)$467,3390.01%
304National American Insurance Company23663OKAdmitted (licensed)$455,1960.01%
305Hartford Insurance Company of the Midwest37478INAdmitted (licensed)$445,9770.01%
306Middlesex Insurance Company23434WIAdmitted (licensed)$444,8280.01%
307Monroe Guaranty Insurance Company32506INAdmitted (licensed)$426,8830.01%
308Harleysville Insurance Company of New York10674OHAdmitted (licensed)$425,0000.01%
309StarNet Insurance Company40045IAAdmitted (licensed)$422,0800.01%
310Columbia Casualty Company31127ILAdmitted (licensed)$419,6000.01%
311Illinois National Insurance Company23817ILAdmitted (licensed)$419,4390.01%
312Employers Insurance Company of Wausau21458WIAdmitted (licensed)$407,8510.01%
313Governmental Interins Exch37036ILAdmitted (licensed)$407,1630.01%
314Technology Insurance Company, Inc.42376DEAdmitted (licensed)$400,2970.01%
315Chubb National Insurance Company10052INAdmitted (licensed)$387,4350.01%
316Great American Alliance Insurance Company26832OHAdmitted (licensed)$382,4570.01%
317FE RRG Inc17836KYAdmitted (licensed)$377,4760.01%
318West American Insurance Company44393INAdmitted (licensed)$373,9740.01%
319|Indian Harbor Insurance Company36940DEAdmitted (licensed)$372,6280.01%
320Preferred Professional Insurance Company36234NEAdmitted (licensed)$368,4930.01%
321Century Surety Company36951OHAdmitted (licensed)$361,6750.01%
322Swiss Re Corporate Solutions Elite Insurance Corporation29700MOAdmitted (licensed)$354,5620.01%
323Massachusetts Bay Insurance Company22306NHAdmitted (licensed)$352,8370.01%
324Nationwide Insurance Company of Florida10948OHAdmitted (licensed)$348,9950.01%
325Twin City Fire Insurance Company (The)29459INAdmitted (licensed)$341,6210.01%
326Gray Insurance Company (The)36307LAAdmitted (licensed)$340,2170.01%
327SiriusPoint Specialty Insurance Corporation16820NHAdmitted (licensed)$335,7300.01%
328Adriatic Insurance Company39381NDAdmitted (licensed)$332,5210.01%
329Westfield Touchstone Insurance Company16448OHAdmitted (licensed)$332,3200.01%
330Chiron Insurance Company16356IAAdmitted (licensed)$321,2760.01%
331National Casualty Company11991OHAdmitted (licensed)$306,4900.01%
332Liberty Mutual Insurance Company23043MAAdmitted (licensed)$299,4180.01%
333Amerisure Partners Insurance Company11050MIAdmitted (licensed)$296,2340.01%
334American National Property and Casualty Company28401NEAdmitted (licensed)$281,5190.01%
335HDI Global Insurance Company41343ILAdmitted (licensed)$274,2070.01%
336BUS Risk Retention Group, Inc.17324SCAdmitted (licensed)$268,1350.01%
337Rock Ridge Insurance Company11089TXAdmitted (licensed)$266,4110.01%
338All America Insurance Company20222OHAdmitted (licensed)$266,1650.01%
339National Transportation Insurance Company Risk Retention Group Llc16011MTAdmitted (licensed)$238,9790.01%
340Seneca Insurance Company Incorporated10936NYAdmitted (licensed)$238,2500.01%
341Columbia National Insurance Company19640NEAdmitted (licensed)$234,6830.01%
342Professional Transportation Risk Retention Group, Inc.17328ALAdmitted (licensed)$232,7280.01%
343Tokio Marine Specialty Insurance Company23850DEAdmitted (licensed)$231,7240.01%
344Overdrive Risk Retention Group, LLC16822TNAdmitted (licensed)$230,1320.01%
345Allied Property and Casualty Insurance Company42579IAAdmitted (licensed)$223,1790.01%
346Allied World Specialty Insurance Company16624DEAdmitted (licensed)$220,0300.01%
347Nationwide Affinity Insurance Company of America26093OHAdmitted (licensed)$212,5880.01%
348Rural Trust Insurance Company11134TXAdmitted (licensed)$206,0380.01%
349Nova Casualty Company42552NYAdmitted (licensed)$203,2770.01%
350|Hudson Excess Insurance Company14484DEAdmitted (licensed)$202,1000.01%
351Vantapro Specialty Insurance Company44768ARAdmitted (licensed)$201,8170.01%
352Southern Insurance Company19216TXAdmitted (licensed)$200,4980.01%
353Steadfast Insurance Company26387ILAdmitted (licensed)$198,2000.01%
354Prime Insurance Company12588ILAdmitted (licensed)$192,7080.01%
355Bulldog National Risk Retention Group, Inc.16384NCAdmitted (licensed)$190,0270.01%
356HDI Specialty Insurance Company16131ILAdmitted (licensed)$171,8390.01%
357Everest Premier Insurance Company16045DEAdmitted (licensed)$170,7020.01%
358Mesa Underwriters Specialty Insurance Company36838NJAdmitted (licensed)$169,3960.01%
359American Modern Home Insurance Company23469OHAdmitted (licensed)$164,6460.01%
360Riverport Insurance Company36684IAAdmitted (licensed)$162,8210.01%
361American Reliable Insurance Company19615AZAdmitted (licensed)$162,2820.01%
362Woodlands Risk Retention Group, Inc.17190SCAdmitted (licensed)$161,6510.01%
363Harleysville Worcester Insurance Company26182OHAdmitted (licensed)$158,4670.00%
364Commerce and Industry Insurance Company19410NYAdmitted (licensed)$157,9350.00%
365American Bankers Insurance Company of Florida10111FLAdmitted (licensed)$155,3140.00%
366North Pointe Insurance Company27740PAAdmitted (licensed)$153,4330.00%
367Hiscox Insurance Company (Bermuda), Ltd.10200ILAdmitted (licensed)$152,1040.00%
368Vantage Risk Specialty Insurance Company16275DEAdmitted (licensed)$151,9390.00%
369Berkley Assurance Company39462IAAdmitted (licensed)$150,0220.00%
370Associated Industries Insurance Company, Inc.23140FLAdmitted (licensed)$148,1210.00%
371Great American Insurance Company of New York22136NYAdmitted (licensed)$145,8100.00%
372Dellwood Specialty Insurance Company17332AZAdmitted (licensed)$138,6610.00%
373American Family Mutual Insurance Company, S.I.19275WIAdmitted (licensed)$138,3000.00%
374Citizens Insurance Company of America31534MIAdmitted (licensed)$137,4590.00%
375American Southern Home Insurance Company41998FLAdmitted (licensed)$132,0550.00%
376Greater New York Mutual Insurance Company22187NYAdmitted (licensed)$130,8540.00%
377Princeton Excess and Surplus Lines Insurance Company (The)10786DEAdmitted (licensed)$128,6520.00%
378Admiral Indemnity Company44318DEAdmitted (licensed)$118,5790.00%
379Tri-State Insurance Company of Minnesota31003IAAdmitted (licensed)$110,3110.00%
380Insurance Company of Greater New York22195NYAdmitted (licensed)$106,4950.00%
381Ansur America Insurance Company10984MIAdmitted (licensed)$105,5700.00%
382Republic - Vanguard Insurance Company40479AZAdmitted (licensed)$104,3650.00%
383SOMPO AMERICA FIRE \u0026 MARINE INSURANCE COMPANY38997NYAdmitted (licensed)$104,3350.00%
384Clear Blue Insurance Company28860TXAdmitted (licensed)$96,4630.00%
385Housing Authority Risk Retention Group, Inc.26797VTAdmitted (licensed)$93,9770.00%
38621st Century Premier Insurance Company20796PAAdmitted (licensed)$80,5790.00%
387Allied World Assurance Company (U.S.) Inc.22730NHAdmitted (licensed)$75,4170.00%
388Insurance Company of the State of Pennsylvania (The)19429ILAdmitted (licensed)$66,3130.00%
389Great Plains Casualty, Inc.12982IAAdmitted (licensed)$64,2810.00%
390Pegaso Risk Retention Group Inc17417ALAdmitted (licensed)$60,8870.00%
391Burlington Insurance Company (The)23620ILAdmitted (licensed)$58,9240.00%
392INTERSTATE FIRE \u0026 CASUALTY COMPANY\22829ILAdmitted (licensed)$54,4810.00%
393Property and Casualty Insurance Company of Hartford34690INAdmitted (licensed)$52,3040.00%
394Fireman's Fund Insurance Company21873ILAdmitted (licensed)$51,0810.00%
395Centennial Casualty Company34568ALAdmitted (licensed)$49,5240.00%
396Citizens Ins Co Of IL10714ILAdmitted (licensed)$45,2560.00%
397Union Insurance Company of Providence21423IAAdmitted (licensed)$44,8670.00%
398Illinois EMCASCO Insurance Company32808IAAdmitted (licensed)$40,9970.00%
399SECURA Supreme Insurance Company10239WIAdmitted (licensed)$40,8580.00%
400TRAVELERS EXCESS \u0026 SURPLUS LINES COMPANY\29696CTAdmitted (licensed)$39,0000.00%
401Swiss Re Corporate Solutions America Insurance Corporation29874MOAdmitted (licensed)$38,4960.00%
402Ascalon Risk Retention Group, Inc.17381ALAdmitted (licensed)$38,2410.00%
403QBE Specialty Insurance Company11515NDAdmitted (licensed)$32,1010.00%
404Pharmacists Mutual Insurance Company13714IAAdmitted (licensed)$31,3950.00%
405Velocity Insurance Company, A Risk Retention Group15956SCAdmitted (licensed)$27,7690.00%
406Western World Insurance Company, Inc.13196NHAdmitted (licensed)$22,2940.00%
407Platinum Transport Insurance Risk Retention Group Inc.15796HIAdmitted (licensed)$21,9160.00%
408Harleysville Insurance Company23582OHAdmitted (licensed)$21,0530.00%
409RepWest Insurance Company31089AZAdmitted (licensed)$21,0000.00%
410Shield Indemnity Incorporated16762OHAdmitted (licensed)$19,5350.00%
411Alaska National Insurance Company38733AKAdmitted (licensed)$19,3870.00%
412Nautilus Insurance Company17370AZAdmitted (licensed)$19,2400.00%
413Shelter Mutual Insurance Company23388MOAdmitted (licensed)$18,8540.00%
414AMCO Insurance Company19100IAAdmitted (licensed)$18,6880.00%
415Evanston Insurance Company35378ILAdmitted (licensed)$18,5000.00%
416Summit Specialty Insurance Company16889NEAdmitted (licensed)$16,8050.00%
417Everest Indemnity Insurance Company10851DEAdmitted (licensed)$15,2410.00%
418Sierra Specialty Insurance Company19208TXAdmitted (licensed)$14,9820.00%
419Mobilitas General Insurance Company10675AZAdmitted (licensed)$14,6770.00%
420American Home Assurance Company19380NYAdmitted (licensed)$14,5330.00%
421Arch Indemnity Insurance Company30830MOAdmitted (licensed)$14,3790.00%
422Allied Insurance Company of America10127OHAdmitted (licensed)$12,1980.00%
423Protective Specialty Insurance Company13149INAdmitted (licensed)$11,4830.00%
424Depositors Insurance Company42587IAAdmitted (licensed)$11,0710.00%
425Contractors Bonding and Insurance Company37206ILAdmitted (licensed)$10,8360.00%
426Strathmore Insurance Company11024NYAdmitted (licensed)$10,0540.00%
427Specialty Builders Insurance Company16826GAAdmitted (licensed)$9,9170.00%
428United Specialty Insurance Company12537TXAdmitted (licensed)$9,5130.00%
429Homeland Insurance Company of New York34452NYAdmitted (licensed)$7,9090.00%
430American Southern Insurance Company10235KSAdmitted (licensed)$7,5500.00%
431Skyraider Risk Retention Group, Inc.16863SCAdmitted (licensed)$7,2080.00%
432Northfield Insurance Company27987IAAdmitted (licensed)$6,4200.00%
433SAMSUNG FIRE \u0026 MARINE INSURANCE CO., LTD. (U.S. BRANCH)38300NYAdmitted (licensed)$5,2480.00%
434AIX Specialty Insurance Company12833DEAdmitted (licensed)$5,0000.00%
435Continental Indemnity Company28258NMAdmitted (licensed)$4,5250.00%
436Stonington Insurance Company10340PAAdmitted (licensed)$3,4730.00%
437Illinois Union Insurance Company27960ILAdmitted (licensed)$2,9640.00%
438Integon National Insurance Company29742ILAdmitted (licensed)$2,7030.00%
439Everett Cash Mutual Insurance Company17043PAAdmitted (licensed)$2,0710.00%
440Intrepid Casualty Company17182IAAdmitted (licensed)$1,9670.00%
441South Shore Risk Retention Group, Inc.17411SCAdmitted (licensed)$1,7720.00%
442Arch Specialty Insurance Company21199MOAdmitted (licensed)$1,5490.00%
443Mid-Continent Casualty Company23418OHAdmitted (licensed)$1,1710.00%
444Clear Blue Specialty Insurance Company37745TXAdmitted (licensed)$1,0220.00%
445Accident Fund Insurance Company of America10166MIAdmitted (licensed)$8530.00%
446Markel American Insurance Company28932VAAdmitted (licensed)$3500.00%
447Indiana Farmers Indemnity Insurance Company17478INAdmitted (licensed)$3320.00%
448|Hadron Specialty Insurance Company17534ARAdmitted (licensed)$880.00%
Turned down?

Last resort for commercial auto in Illinois

Last resortLinesWhereHow to get in
Auto assigned-risk planspersonal auto, commercial autoall states (AIPSO runs CA CAARP and Low Cost Auto plus AK, AZ, CO, ID, MT, NV, NM, OR, UT, WA, WY; CAIP handles commercial auto)California CAARP: any CA fire and casualty licensee can get certified (application and license copy to [email protected]) Elsewhere the state's Automobile Insurance Plan administered by AIPSO (aipso.com), through any licensed agent.Source
Surplus lines and Lloyd's open marketallall states, under each state's diligent-search rulesThrough surplus lines wholesalers; commercial property and liability have no guaranteed plan, so this is their last stepSource

Method and source

Source: the Illinois insurance regulator company list, read 2026-10-18. IDOI 2025 Market Share Report: Property and Casualty (published March 2026, 2025 annual-statement data). Lists every company with Illinois business written on the P&C statement: licensed companies, surplus lines insurers and risk retention groups together, with no status/type flag, so type is '' for all rows and the list is NOT a certificate-of-authority roster (a licensed company with zero IL premium and zero losses is omitted; non-admitted writers are included). 'lines' = P&C statement lines of business the company reported IL premium or losses under (48 of 54 lines have entries), a proxy for lines of authority. No 'since' date in the source. No Illinois surplus lines eligibility list exists (IL has no white list). 26 companies had a name or domicile cell missing in at least one PDF row; filled from the same NAIC code's other rows. "Premium" is direct premium written in the state for the year shown; "share" is that company's part of the state total for the line. A company can be licensed for a line and write none of it, and a surplus lines insurer can write a line without a state license for it.

Open to use. Cite "Alishahi Insurance insurance company directory" and link here. CSV · JSON.

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