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Directory · Company · Updated 2026-10-18

Aioi Nissay Dowa Insurance Services USA Corporation · NAIC 13740

Where Aioi Nissay Dowa Insurance Services USA Corporation 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.

Aioi Nissay Dowa Insurance Services USA Corporation (NAIC 13740) is a property and casualty insurer domiciled in Delaware, part of Ms & Ad Insurance Group. State regulators list it as licensed (admitted) in Delaware, South Carolina. Its group ranked #1 in Alabama earthquake in 2025 (11.4% 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 Alaska, California, Colorado, Connecticut, 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 Dakota, Tennessee, Texas, Utah, Washington, Wisconsin, West Virginia, Wyoming, which doesn't by itself mean it isn't licensed there.

StateStatusLines licensedSinceSource
DelawareAdmitted (licensed)——Delaware, 2026-10-18
South CarolinaAdmitted (licensed)——South Carolina, 2026-10-18
Standing

Where it's a top-10 writer

Ms & Ad Insurance Group (NAIC group 04715), the group Aioi Nissay Dowa Insurance Services USA Corporation 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
Earthquake in Alabama
Earthquake
#1$1.4M11.39%2025
Credit in Delaware
Credit
#1$14.7M30.34%2025
Flood in Florida
Private Flood
#1$69.4M25.37%2025
Earthquake in Florida
Earthquake
#1$52.5M59.08%2025
Earthquake in Hawaii
Earthquake
#1$6.0M19.59%2025
Flood in New Jersey
Private Flood
#1$14.3M19.23%2025
Flood in North Carolina
Private Flood
#1$4.7M13.66%2025
Flood in South Carolina
Private Flood
#1$9.3M24.08%2025
Flood in Alabama
Private Flood
#2$2.3M17.27%2025
Flood in California
Private Flood
#2$14.7M13.07%2025
Flood in Delaware
Private Flood
#2$779,00017.54%2025
Commercial property (fire and allied lines) in Florida
Fire
#2$169.4M5.65%2025
Flood in Hawaii
Private Flood
#2$2.9M21.16%2025
Flood in Mississippi
Private Flood
#2$1.8M17.17%2025
Flood in Texas
Private Flood
#2$16.9M14.18%2025
Flood in Virginia
Private Flood
#2$2.6M11.89%2025
Flood in Connecticut
Private Flood
#3$2.2M11.40%2025
Earthquake in Louisiana
Earthquake
#3$896,00010.42%2025
Flood in West Virginia
Private Flood
#3$825,00013.66%2025
Flood in Georgia
Private Flood
#4$2.0M8.96%2025
Flood in Louisiana
Private Flood
#4$2.8M10.75%2025
Credit in Louisiana
Credit
#4$4.9M7.19%2025
Flood in Maryland
Private Flood
#4$1.2M9.99%2025
Flood in New Mexico
Private Flood
#4$257,0008.34%2025
Credit in New York
Credit
#4$29.1M8.32%2025
Flood in Rhode Island
Private Flood
#4$728,00015.03%2025
Flood in Vermont
Private Flood
#4$167,00010.16%2025
Flood in Washington
Private Flood
#4$1.2M9.01%2025
Commercial property (fire and allied lines) in Florida
Allied Lines
#5$269.8M4.44%2025
Commercial property (fire and allied lines) in Kentucky
Allied Lines
#5$7.7M3.48%2025
Flood in Massachusetts
Private Flood
#5$2.6M8.60%2025
Flood in Montana
Private Flood
#5$121,0006.97%2025
Flood in New Hampshire
Private Flood
#5$290,0008.31%2025
Flood in New York
Private Flood
#5$8.5M8.84%2025
Flood in Oregon
Private Flood
#5$831,0008.41%2025
Commercial property (fire and allied lines) in South Carolina
Allied Lines
#5$25.0M6.12%2025
Earthquake in South Carolina
Earthquake
#5$3.3M5.00%2025
Flood in Arkansas
Private Flood
#6$443,0007.94%2025
Commercial auto in Illinois
Commercial Auto Liability
#6$106.1M4.30%2025
Commercial auto in Illinois
Total Commercial Auto
#6$115.2M3.59%2025
Flood in Michigan
Private Flood
#6$834,0004.57%2025
Flood in Idaho
Private Flood
#7$187,0006.07%2025
Flood in Maine
Private Flood
#7$296,0005.12%2025
Credit in North Carolina
Credit
#7$6.0M6.97%2025
Flood in Oklahoma
Private Flood
#7$332,0006.50%2025
Flood in Pennsylvania
Private Flood
#7$2.0M5.99%2025
Flood in Tennessee
Private Flood
#7$1.1M6.82%2025
Medical malpractice in Vermont
Medical Professional Liability
#7$669,0002.94%2025
Commercial property (fire and allied lines) in Alabama
Allied Lines
#8$18.1M4.11%2025
Commercial auto in Hawaii
Commercial Auto Physical Damage
#8$1.4M3.50%2025
Flood in Kentucky
Private Flood
#8$364,0002.76%2025
Earthquake in Texas
Earthquake
#8$2.9M4.62%2025
Flood in Wyoming
Private Flood
#8$73,0006.60%2025
Personal auto in Hawaii
Private Passenger Auto Physical Damage
#9$10.6M2.12%2025
Flood in Ohio
Private Flood
#9$765,0003.90%2025
Commercial property (fire and allied lines) in Texas
Allied Lines
#9$135.1M3.15%2025
Aircraft and aviation in West Virginia
Aircraft
#9$239,0003.57%2025
Flood in Alaska
Private Flood
#10$22,0001.06%2025
Pet in California
Pet Insurance
#10$11.3M1.06%2025
Commercial property (fire and allied lines) in Colorado
Allied Lines
#10$14.9M2.66%2025

Showing the best 60 of 73 top-10 placements.

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.

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

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