CAR Commercial Auto Market Share for Mass.

Massachusetts commercial auto insurance market share and premiums based on CAR data

Massachusetts Commercial Auto Insurance Market Trends – February 2026

Agency Checklists’ latest update on the Massachusetts commercial auto insurance marketplace from CAR reviews activity as of February 2025.

This analysis relies on the most recent data provided by the Commonwealth Automobile Reinsurers (CAR), which serves as the official statistical agent for the state’s motor vehicle insurance industry. CAR collects, maintains, and publishes comprehensive data on insurers operating in Massachusetts, providing a reliable foundation for market analysis.

Premiums & Market Share for Febuary 2026

Total commercial auto premiums in Massachusetts as of February 2026 were $233.8 million. Together, the top ten writers accounted for $176.2 million in premiums, representing 75.4% of the market, highlighting the continued concentration of market share among the largest carriers in the second month of the year.

Half of the top 10 commercial auto writers are based in New England, with Safety and Commerce continuing to dominate the marketplace with a combined market share of 26.20%.

🚚 Massachusetts Commercial Auto Insurance Market Share

Rank	Company	Premiums	Market Share
1	COMMERCE	30,739,868	13.15%
2	SAFETY	30,500,994	13.05%
3	ARBELLA	29,286,784	12.53%
4	PROGRESSIVE	21,413,932	9.16%
5	TRAVELERS	19,780,140	8.46%
6	TOKIO MARINE & NACHIDO	12,704,431	5.43%
7	FIREMAN’S	10,401,481	4.45%
8	PLYMOUTH ROCK	8,178,003	3.50%
9	SELECTIVE INSURANCE	6,136,202	2.62%
10	TWIN CITY FIRE INS	6,124,289	2.62%
11	HANOVER	5,494,272	2.35%
12	ZURICH	5,199,989	2.22%
13	AMERICAN CASUALTY	4,579,338	1.96%
14	GEICO	4,218,710	1.80%
15	UTICA	3,522,380	1.51%
16	CENTRAL MUTUAL INS	2,798,514	1.20%
17	NEW YORK AND GENERAL INS	2,736,114	1.17%
18	FEDERATED MUTUAL	2,691,560	1.15%
19	FEDERAL	2,690,650	1.15%
20	GREEN MOUNTAIN	2,612,582	1.12%
21	LIBERTY MUTUAL INS	2,330,174	1.00%
22	ARGONAUT	2,157,020	0.92%
23	NATIONAL GRANGE	2,109,767	0.90%
24	N&D MUTUAL	2,019,627	0.86%
25	NEW HAMPSHIRE	1,942,382	0.83%
26	MIDDLESEX INS CO	1,384,436	0.59%
27	US FIRE	1,212,437	0.52%
28	EMPLOYERS MUTUAL	1,142,799	0.49%
29	MERCH MUTUAL	1,086,475	0.46%
30	BANKERS	1,075,355	0.46%
31	GREENWICH	897,663	0.38%
32	GREAT AMERICAN	843,419	0.36%
33	MOTORISTS	658,836	0.28%
34	QUINCY MUTUAL	640,817	0.27%
35	PREFERRED MUTUAL	525,348	0.22%
36	LANCER INSURANCE CO.	496,071	0.21%
37	STANDARD FIRE	274,987	0.12%
38	ATLANTIC SPECIALTY	241,415	0.10%
39	SECURITY NATIONAL	216,331	0.09%
40	PENN LUMBERMENS	196,544	0.08%
41	QBE	157,087	0.07%
42	STATE AUTO	143,457	0.06%
43	HARLEYSVILLE INS	113,222	0.05%
44	PENN MNFCT ASSC INS	64,739	0.03%
45	OLD REPUBLIC	33,302	0.01%
46	STATE FARM	13,241	0.01%
47	BERKSHIRE HATHAWAY	10,801	0.00%
48	AMICA MUTUAL	9,265	0.00%
	TOTAL	233,807,250	100.00%

Agency Checklists’ Proprietary Retrospective of the Commercial Auto Marketplace

The following are graphs depicting the state of the Commercial Auto Insurance Marketplace over the past 10 years. The first graph shows the top ten Commercial Auto Insurers as of February 2026, compared to February 2025, February 2024, February 2023, and February 2022. Following these comparisons are two more: one from five years ago, February 2021, and the last from ten years ago, February 2016.