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Directory · Company · Updated 2026-10-18

MAG Mutual Insurance Company · NAIC 42617

Where MAG Mutual Insurance Company is admitted, where it's eligible for surplus lines, the lines it's licensed for and how much of each it writes, from state regulators' public lists and market share reports.

MAG Mutual Insurance Company (NAIC 42617) is a property and casualty insurer domiciled in Georgia, part of Mag Mutual Insurance Group. State regulators list it as licensed (admitted) in Alaska, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Iowa, Idaho, Illinois, Kentucky, Massachusetts, Maryland, Minnesota, Missouri, Mississippi, North Carolina, North Dakota, Nebraska, New Jersey, Nevada, Ohio, Oklahoma, Oregon, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Washington, Wisconsin, Wyoming. It ranked #2 of 122 in North Carolina medical malpractice in 2025 (10.6% share). It ranked #8 of 35 in California medical malpractice in 2025 (1.6% share). It ranked #8 of 34 in Wisconsin medical malpractice in 2024 (1.7% share).

By Sam Alishahi, independent insurance broker · All companies

By state

Where it's licensed

States whose regulator lists are loaded: Alaska, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Iowa, Idaho, Illinois, Kentucky, Massachusetts, Maryland, Minnesota, Missouri, Mississippi, Montana, North Carolina, North Dakota, Nebraska, New Jersey, Nevada, New York, Ohio, Oklahoma, Oregon, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Washington, Wisconsin, West Virginia, Wyoming. Not on the lists we have for Montana, New York, Utah, West Virginia, which doesn't by itself mean it isn't licensed there.

StateStatusLines licensedSinceSource
AlaskaAdmitted (licensed)——Alaska, 2026-10-18
CaliforniaAdmitted (licensed)Medical malpractice, Workers' compensation—California Department of Insurance, 2026-10-17
ColoradoAdmitted (licensed)Commercial package (BOP, CMP), General liability, Medical malpractice, Professional liability (E&O), Workers' compensation—Colorado, 2026-10-18
ConnecticutAdmitted (licensed)——Connecticut, 2026-10-18
DelawareAdmitted (licensed)——Delaware, 2026-10-18
FloridaAdmitted (licensed)General liability, Medical malpractice, Workers' compensation—Florida Office of Insurance Regulation, 2026-10-18
GeorgiaAdmitted (licensed)General liability, Commercial property (fire and allied lines), Surety bonds, Workers' compensation—Georgia, 2026-10-18
HawaiiAdmitted (licensed)——Hawaii, 2026-10-18
IdahoAdmitted (licensed)Fidelity bonds, General liability, Commercial property (fire and allied lines), Surety bonds, Workers' compensation—Idaho, 2026-10-18
IllinoisAdmitted (licensed)General liability, Medical malpractice, Professional liability (E&O), Workers' compensation—Illinois, 2026-10-18
IowaAdmitted (licensed)——Iowa, 2026-10-18
KentuckyAdmitted (licensed)——Kentucky Department of Insurance, 2026-10-17
MarylandAdmitted (licensed)——Maryland Insurance Administration, 2026-10-17
MassachusettsAdmitted (licensed)Workers' compensation—Massachusetts, 2026-10-18
MinnesotaAdmitted (licensed)——Minnesota, 2026-10-18
MississippiAdmitted (licensed)General liability, Commercial property (fire and allied lines), Workers' compensation11-01-1999Mississippi Insurance Department, 2026-10-17
MissouriAdmitted (licensed)Medical malpractice, Workers' compensation—Missouri, 2026-10-18
NebraskaAdmitted (licensed)——Nebraska, 2026-10-18
NevadaAdmitted (licensed)General liability, Commercial property (fire and allied lines), Workers' compensation—Nevada Division of Insurance, 2026-10-17
New JerseyAdmitted (licensed)——New Jersey, 2026-10-18
North CarolinaAdmitted (licensed)Commercial package (BOP, CMP), General liability, Medical malpractice, Professional liability (E&O), Workers' compensation—North Carolina, 2026-10-18
North DakotaAdmitted (licensed)——North Dakota, 2026-10-18
OhioAdmitted (licensed)——Ohio Department of Insurance, 2026-10-17
OklahomaAdmitted (licensed)Workers' compensation—Oklahoma, 2026-10-18
OregonAdmitted (licensed)General liability, Medical malpractice, Professional liability (E&O), Workers' compensation—Oregon, 2026-10-18
Rhode IslandAdmitted (licensed)——Rhode Island, 2026-10-18
South CarolinaAdmitted (licensed)——South Carolina, 2026-10-18
South DakotaAdmitted (licensed)General liability, Medical malpractice, Professional liability (E&O)—South Dakota, 2026-10-18
TennesseeAdmitted (licensed)——Tennessee, 2026-10-18
TexasAdmitted (licensed)Personal auto, Crime (burglary and theft), Fidelity bonds, Glass, General liability, Medical malpractice, Commercial property (fire and allied lines), Surety bonds, Workers' compensation2017/09/28Texas Department of Insurance, 2026-10-17
WashingtonAdmitted (licensed)Medical malpractice—Washington Office of the Insurance Commissioner and the Surplus Line Association of Washington, 2026-10-17
WisconsinAdmitted (licensed)General liability, Medical malpractice, Workers' compensation—Wisconsin, 2026-10-18
WyomingAdmitted (licensed)——Wyoming, 2026-10-18
What it writes

Premium and rank by line

From the regulators that publish every company's direct premium by line.

Line and stateRankPremium writtenShareYear
Medical malpractice in California#8 of 35$7.2M1.60%2025
Workers' compensation in California#179 of 245$2.6M0.02%2025
Medical malpractice in Illinois#19 of 127$7.9M1.30%2025
Workers' compensation in Illinois#266 of 375$701,8170.03%2025
Medical malpractice in North Carolina#2 of 122$22.8M10.55%2025
Workers' compensation in North Carolina#190 of 347$1.2M0.08%2025
General liability in North Carolina#502 of 621$87,4200.00%2025
Medical malpractice in South Dakota#11 of 31$79,4820.50%2025
Medical malpractice in Texas#14 of 44$3.8M1.65%2025
Workers' compensation in Texas#277 of 327$170,6830.01%2025
Medical malpractice in Washington#8 of 51$4.4M2.71%2025
Medical malpractice in Wisconsin#8 of 34$1.2M1.68%2024
Workers' compensation in Wisconsin#262 of 312$45,1610.00%2024
Standing

Where it's a top-10 writer

Mag Mutual Insurance Group (NAIC group 00413), the group MAG Mutual Insurance Company belongs to, ranks in the top 10 for these lines and states. 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.

Line and stateRankPremium writtenShareYear
Medical malpractice in Georgia
Medical Professional Liability
#1$139.3M27.32%2025
Medical malpractice in South Carolina
Medical Professional Liability
#1$24.0M22.96%2025
Medical malpractice in West Virginia
Medical Professional Liability
#1$30.3M38.56%2025
Medical malpractice in Alabama
Medical Professional Liability
#2$35.1M15.58%2025
Medical malpractice in New Jersey
Medical Professional Liability
#2$60.3M9.99%2025
Medical malpractice in North Carolina
Medical Professional Liability
#2$41.3M19.12%2025
Medical malpractice in Florida
Medical Professional Liability
#3$91.7M8.39%2025
Medical malpractice in Nevada
Medical Professional Liability
#3$7.9M6.43%2025
Medical malpractice in Rhode Island
Medical Professional Liability
#3$4.0M8.76%2025
Medical malpractice in Tennessee
Medical Professional Liability
#3$17.6M5.57%2025
Medical malpractice in Kentucky
Medical Professional Liability
#4$12.8M7.38%2025
Medical malpractice in Illinois
Medical Professional Liability
#5$25.2M4.06%2025
Medical malpractice in Iowa
Medical Professional Liability
#5$2.9M2.93%2025
Medical malpractice in Oregon
Medical Professional Liability
#5$8.3M6.10%2025
Medical malpractice in South Dakota
Medical Professional Liability
#5$895,0003.97%2025
Medical malpractice in Delaware
Medical Professional Liability
#6$2.3M5.20%2025
Medical malpractice in Maine
Medical Professional Liability
#6$1.7M2.63%2025
Medical malpractice in Mississippi
Medical Professional Liability
#6$5.2M5.43%2025
Medical malpractice in New Mexico
Medical Professional Liability
#6$5.5M5.71%2025
Medical malpractice in Texas
Medical Professional Liability
#6$19.7M3.22%2025
Medical malpractice in Virginia
Medical Professional Liability
#6$15.8M5.85%2025
Medical malpractice in Wisconsin
Medical Professional Liability
#6$4.4M3.83%2025
Medical malpractice in Alaska
Medical Professional Liability
#7$809,0002.88%2025
Medical malpractice in Massachusetts
Medical Professional Liability
#7$10.4M2.33%2025
Medical malpractice in New Hampshire
Medical Professional Liability
#7$3.9M5.79%2025
Medical malpractice in North Dakota
Medical Professional Liability
#7$305,0002.43%2025
Medical malpractice in Oklahoma
Medical Professional Liability
#7$3.6M2.75%2025
Medical malpractice in Connecticut
Medical Professional Liability
#8$4.7M1.78%2025
Medical malpractice in Idaho
Medical Professional Liability
#8$2.2M4.55%2025
Medical malpractice in Arizona
Medical Professional Liability
#9$7.4M2.55%2025
Medical malpractice in Kansas
Medical Professional Liability
#9$2.8M2.31%2025
Medical malpractice in Missouri
Medical Professional Liability
#9$4.1M1.96%2025
Medical malpractice in Arkansas
Medical Professional Liability
#10$2.1M2.18%2025
Medical malpractice in Maryland
Medical Professional Liability
#10$6.1M1.80%2025
Medical malpractice in Montana
Medical Professional Liability
#10$1.8M3.78%2025
Medical malpractice in Washington
Medical Professional Liability
#10$4.7M1.81%2025

Method and source

Each row comes from the named regulator's public company list on the date shown, joined by NAIC number. "Admitted" means licensed by the state and backed by its guaranty fund; "surplus lines" means eligible to take risks the admitted market declines, without rate or form approval or guaranty fund protection. Premium and rank come from state market share reports that list every company. This is a public-records directory, not a rating or recommendation; for the company's own filings use the NAIC's Consumer Information Source.

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