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Directory · Company · Updated 2026-10-18

MedPro RRG Risk Retention Group · NAIC 13589

Where MedPro RRG Risk Retention Group 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.

MedPro RRG Risk Retention Group (NAIC 13589) is a property and casualty insurer domiciled in District of Columbia, part of Berkshire Hathaway Group. State regulators list it as licensed (admitted) in California, Colorado, Delaware, Maryland, Missouri, Nevada. Its group ranked #1 in Alabama commercial property (fire and allied lines) in 2025 (6.3% 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, Connecticut, Florida, Georgia, Hawaii, Iowa, Idaho, Illinois, Kentucky, Massachusetts, Minnesota, Mississippi, Montana, North Carolina, North Dakota, Nebraska, New Jersey, New York, Ohio, Oklahoma, Oregon, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Washington, Wisconsin, West Virginia, Wyoming, which doesn't by itself mean it isn't licensed there.

StateStatusLines licensedSinceSource
CaliforniaAdmitted (licensed)——California Department of Insurance, 2026-10-17
ColoradoAdmitted (licensed)——Colorado, 2026-10-18
DelawareAdmitted (licensed)——Delaware, 2026-10-18
MarylandAdmitted (licensed)——Maryland Insurance Administration, 2026-10-17
MissouriAdmitted (licensed)——Missouri, 2026-10-18
NevadaAdmitted (licensed)General liability, Medical malpractice, Professional liability (E&O)—Nevada Division of Insurance, 2026-10-17
Standing

Where it's a top-10 writer

Berkshire Hathaway Group (NAIC group 00031), the group MedPro RRG Risk Retention Group 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
Commercial property (fire and allied lines) in Alabama
Allied Lines
#1$27.6M6.29%2025
Flood in California
Private Flood
#1$17.7M15.72%2025
Commercial property (fire and allied lines) in Colorado
Fire
#1$53.7M9.72%2025
Commercial property (fire and allied lines) in Connecticut
Fire
#1$51.7M16.99%2025
Flood in Connecticut
Private Flood
#1$3.3M16.90%2025
Earthquake in Connecticut
Earthquake
#1$3.0M22.60%2025
Personal auto in Connecticut
Private Passenger Auto Physical Damage
#1$281.1M16.67%2025
Medical malpractice in District of Columbia
Medical Professional Liability
#1$8.7M22.70%2025
Personal auto in District of Columbia
Private Passenger Auto Liability
#1$83.2M31.89%2025
Personal auto in District of Columbia
Total Private Passenger Auto
#1$163.0M32.89%2025
Personal auto in District of Columbia
Private Passenger Auto Physical Damage
#1$79.8M34.00%2025
Medical malpractice in Florida
Medical Professional Liability
#1$165.3M15.12%2025
Personal auto in Hawaii
Private Passenger Auto Liability
#1$123.8M24.56%2025
Personal auto in Hawaii
Total Private Passenger Auto
#1$251.0M24.95%2025
Personal auto in Hawaii
Private Passenger Auto Physical Damage
#1$127.2M25.34%2025
Medical malpractice in Indiana
Medical Professional Liability
#1$44.0M21.79%2025
Flood in Iowa
Private Flood
#1$771,00014.80%2025
Warranty in Kansas
Warranty
#1$245.6M95.63%2025
Medical malpractice in Kentucky
Medical Professional Liability
#1$42.3M24.38%2025
Earthquake in Maryland
Earthquake
#1$4.0M23.76%2025
Personal auto in Maryland
Private Passenger Auto Liability
#1$951.4M22.06%2025
Personal auto in Maryland
Total Private Passenger Auto
#1$1.69B22.74%2025
Personal auto in Maryland
Private Passenger Auto Physical Damage
#1$742.5M23.68%2025
Earthquake in Massachusetts
Earthquake
#1$11.6M25.19%2025
Aircraft and aviation in Massachusetts
Aircraft
#1$3.7M12.93%2025
Commercial property (fire and allied lines) in Missouri
Fire
#1$52.6M9.82%2025
Flood in Nebraska
Private Flood
#1$498,00013.43%2025
Ocean marine in Nebraska
Ocean Marine
#1$62.7M92.02%2025
General liability in Nebraska
Other Liability
#1$49.0M7.36%2025
Aircraft and aviation in New Hampshire
Aircraft
#1$2.3M16.16%2025
Medical malpractice in New Jersey
Medical Professional Liability
#1$201.2M33.33%2025
Personal auto in New Jersey
Private Passenger Auto Liability
#1$1.76B21.97%2025
Personal auto in New Jersey
Total Private Passenger Auto
#1$2.67B21.85%2025
Personal auto in New Jersey
Private Passenger Auto Physical Damage
#1$911.5M21.62%2025
Medical malpractice in New Mexico
Medical Professional Liability
#1$18.6M19.21%2025
Commercial property (fire and allied lines) in New York
Fire
#1$111.6M6.03%2025
Medical malpractice in New York
Medical Professional Liability
#1$459.3M25.65%2025
Earthquake in New York
Earthquake
#1$21.0M20.59%2025
Personal auto in New York
Private Passenger Auto Liability
#1$3.88B29.81%2025
Personal auto in New York
Total Private Passenger Auto
#1$6.18B29.72%2025
Personal auto in New York
Private Passenger Auto Physical Damage
#1$2.30B29.57%2025
Medical malpractice in Ohio
Medical Professional Liability
#1$66.6M22.21%2025
Medical malpractice in Oklahoma
Medical Professional Liability
#1$50.6M38.20%2025
Commercial property (fire and allied lines) in South Carolina
Fire
#1$379.2M45.41%2025
Medical malpractice in Texas
Medical Professional Liability
#1$126.7M20.70%2025
General liability in Vermont
Other Liability
#1$16.8M8.28%2025
Earthquake in Virginia
Earthquake
#1$5.5M17.91%2025
Medical malpractice in Arizona
Medical Professional Liability
#2$38.6M13.40%2025
Medical malpractice in California
Medical Professional Liability
#2$111.9M9.12%2025
General liability in California
Other Liability
#2$785.6M4.52%2025
Commercial auto in California
Total Commercial Auto
#2$551.6M6.21%2025
Personal auto in California
Private Passenger Auto Physical Damage
#2$2.81B12.38%2025
Commercial auto in California
Commercial Auto Physical Damage
#2$102.2M6.69%2025
Medical malpractice in Colorado
Medical Professional Liability
#2$27.3M13.46%2025
Personal auto in Connecticut
Private Passenger Auto Liability
#2$417.8M15.48%2025
Personal auto in Connecticut
Total Private Passenger Auto
#2$698.9M15.94%2025
Medical malpractice in Delaware
Medical Professional Liability
#2$7.5M16.67%2025
Personal auto in Florida
Private Passenger Auto Liability
#2$4.28B19.37%2025
Personal auto in Florida
Total Private Passenger Auto
#2$6.52B20.41%2025
Personal auto in Florida
Private Passenger Auto Physical Damage
#2$2.24B22.75%2025

Showing the best 60 of 607 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.

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