States · MA
Employer benefit plans in Massachusetts
1,204 Massachusetts employers have an insured group benefit plan on public Form 5500 record, covering 2,377,137 participants across 5,349 Schedule A contracts. Reported premium totals $5.7B, with $151.9M in disclosed broker commissions. Renewals cluster in December — 66% of plans.
Sourced from U.S. DOL EFAST2 Form 5500 · Schedule A · as of Aug 2026
Employer plans
1,204
Participants
2,377,137
Premium on file
$5.7B
Broker commissions
$151.9M
When Massachusetts plans renew
Employer plans by the month their most recent Schedule A policy period ended.
- 10Jan
- 17Feb
- 40Mar
- 37Apr
- 41May
- 135Jun
- 30Jul
- 27Aug
- 40Sep
- 22Oct
- 15Nov
- 790Dec
Largest employer plans in Massachusetts
By total annual premium reported on Schedule A.
NATIONAL MEDICAL CARE, INC.WALTHAMRenews December$200.1MpremiumMASSACHUSETTS BANKERS ASSOCIATION INC.BOSTONRenews December$199.6MpremiumTEAMSTERS UNION LOCAL 25 HEALTH SERVICES & INSURANCE PLANCHARLESTOWNRenews August$111.3MpremiumTHE TJX COMPANIES, INC.FRAMINGHAMRenews December$110.5MpremiumDANA-FARBER CANCER INSTITUTE, INC.BOSTONRenews December$105.5MpremiumBETH ISRAEL LAHEY HEALTH, INC.CAMBRIDGERenews December$61.5MpremiumSONESTA INTERNATIONAL HOTELS CORPORATIONNEWTONRenews April$56.9MpremiumLIBERTY MUTUAL GROUP INC.BOSTONRenews December$56.4MpremiumPRESIDENT & FELLOWS OF HARVARD COLLEGE HARVARD HUMAN RESOURCES, BENEFICAMBRIDGERenews December$53.7MpremiumMASS GENERAL BRIGHAM INCORPORATEDSOMERVILLERenews December$52.9MpremiumTOAST, INC.BOSTONRenews July$48.7MpremiumPHILIPS NORTH AMERICA LLCCAMBRIDGERenews December$42.7MpremiumALKERMES INC.WALTHAMRenews December$40.1MpremiumGENESIS HR SOLUTIONSBURLINGTONRenews December$36.6MpremiumSHIELDS HEALTH MANAGEMENT COMPANY, LLCSTOUGHTONRenews December$36.1MpremiumNETSCOUT SYSTEMS, INC.WESTFORDRenews December$34.5MpremiumEASTERN BANKLYNNRenews December$34MpremiumMERCURY SYSTEMS, INC.ANDOVERRenews December$33.4MpremiumVANASSE HANGEN BRUSTLIN, INC.WATERTOWNRenews May$32.9MpremiumCOMMONWEALTH CARE ALLIANCEBOSTONRenews December$31.5MpremiumBOSTON SCIENTIFIC CORPORATIONMARLBOROUGHRenews December$31.4MpremiumBEACON HILL SOLUTIONS GROUP, LLCBOSTONRenews December$30MpremiumKLAVIYO, INC.BOSTONRenews December$28.3MpremiumVEOLIA NORTH AMERICA, LLC.BOSTONRenews December$26.8MpremiumSEKISUI AMERICA CORPORATIONBURLINGTONRenews December$26.3MpremiumKEN'S FOODS, INC.MARLBOROUGHRenews December$25.2MpremiumSAREPTA THERAPEUTICS, INC.CAMBRIDGERenews December$24.5MpremiumSHARKNINJA OPERATING LLCNEEDHAMRenews December$24.1MpremiumMINTZ, LEVIN, COHN, FERRIS, GLOVSKY AND POPEO, P.C.BOSTONRenews December$24.1MpremiumVINFEN CORPORATIONCAMBRIDGERenews August$24MpremiumSTATE STREET CORPORATIONBOSTONRenews December$23.9MpremiumDIGITAL FEDERAL CREDIT UNIONMARLBOROUGHRenews December$23.3MpremiumSTRAUMANN MANUFACTURING, INC.ANDOVERRenews December$23.3MpremiumARBELLA MUTUAL INSURANCE GROUPQUINCYRenews December$23MpremiumTHE MITRE CORPORATIONBEDFORDRenews December$23MpremiumIPSEN BIOPHARMACEUTICALS, INCCAMBRIDGERenews December$22.1MpremiumSYMBOTIC, LLCWILMINGTONRenews December$21.8MpremiumAMHERST COLLEGE TRUSTEESAMHERSTRenews June$21.3MpremiumWINN MANAGEMENT GROUP LLCBOSTONRenews December$20.8MpremiumELIOT COMMUNITY HUMAN SERVICES, INC.LEXINGTONRenews June$20.5MpremiumINTERSYSTEMS CORPORATIONCAMBRIDGERenews December$20.2MpremiumCLEAN HARBORS ENVIRONMENTAL SERVICES, INC.NORWELLRenews December$19.9MpremiumEMD MILLIPORE CORPORATIONBURLINGTONRenews December$19.9MpremiumENEL NORTH AMERICA, INC.ANDOVERRenews December$19.8MpremiumCOORDINATES OPERATIONS LLCBOSTONRenews December$19MpremiumFLAGSHIP PIONEERINGCAMBRIDGERenews December$18.5MpremiumREPLIGEN CORPORATIONWALTHAMRenews October$18.5MpremiumSANTANDER HOLDINGS USA, INC.BOSTONRenews December$18.5MpremiumTAKEDA PHARMACEUTICALS U.S.A.,INC.CAMBRIDGERenews December$18.5MpremiumBABSON COLLEGEBABSON PARKRenews December$18.3Mpremium
Most active brokers in Massachusetts
Brokers of record based in Massachusetts, by disclosed commissions.
MARSH USA LLCBOSTON200contractsLOCKTON COMPANIES, LLCBOSTON746contractsSTRATEGIC NON-MEDICAL SOLUTIONS LLCBOSTON526contractsRSC INSURANCE BROKERAGE, INC.BOSTON881contractsGALLAGHER BENEFIT SERVICES, INCBOSTON250contractsMARSH & MCLENNAN AGENCY LLCBOSTON822contractsALLIANT INSURANCE SERVICES, INCBOSTON104contractsPACIFIC RESOURCES BENEFITS ADVISORSBOSTON89contractsCUSTOM BENEFIT PROGRAMSBOSTON70contractsHUB INTERNATIONAL NEW ENGLAND LLCWILMINGTON385contractsBROWN AND BROWN OF MASSACHUSETTSSOUTHBOROUGH61contractsIMA INCNEWTON242contractsJENNIFER A. BORISLOW INS AGENCY INCMETHUEN238contractsWILLIS TOWERS WATSON NORTHEAST, INCBOSTON521contractsMERCER HEALTH AND BENEFITS, LLCNORWOOD94contractsBROWN & BROWN INSURANCE SERVICESDEDHAM187contractsBROWN & BROWN OF MASSACHUSETTS, LLCSOUTHBOROUGH66contractsBROWN & BROWN INSURANCE SVCS., INC.SOUTHBOROUGH35contractsBOSTON BENEFIT PARTNERS AN ALERABOSTON116contractsBROWN & BROWN INS. SERVICESSOUTHBOROUGH55contractsSTRATEGIC NON-MEDICAL SOLUTIONBOSTON147contractsSENTINEL INSURANCE AGENCY, INC.WAKEFIELD90contractsBAYSTATE BENEFIT SERVICESBRAINTREE136contractsBROWN & BROWN OF MASSACHUSETTS, LLCDEDHAM175contractsINDIGO INSURANCE SERVICESWORCESTER211contracts
Carriers writing Massachusetts groups
By number of Massachusetts employer plans on file.
BLUE CROSS BLUE SHIELD OF MASSACHUSETTS, INC.334employersVISION SERVICE PLAN282employersUNUM LIFE INSURANCE COMPANY OF AMERICA164employersEYEMED VISION CARE ON BEHALF OF FIDELITY SECURITY LIFE INSURANCE CO.162employersMETROPOLITAN LIFE INSURANCE COMPANY126employersHARTFORD LIFE AND ACCIDENT124employersTHE LINCOLN NATIONAL LIFE INSURANCE COMPANY119employersRELIANCE STANDARD LIFE INSURANCE COMPANY105employersPRUDENTIAL INSURANCE COMPANY OF AMERICA104employersTHE GUARDIAN LIFE INSURANCE COMPANY OF AMERICA100employersCIGNA HEALTH AND LIFE INSURANCE COMPANY96employersSUN LIFE ASSURANCE COMPANY OF CANADA91employersKAISER FOUNDATION HEALTH PLAN, INC.86employersMETROPOLITAN GENERAL INSURANCE CO82employersLIFE INSURANCE COMPANY OF NORTH AMERICA71employers
Looking for a specific company? Search every Form 5500 filer — including self-funded and small plans that don’t appear in these lists.