Mutual / membership nonprofits in Massachusetts

347 membership organizations in Massachusetts file a Form 990. Together they report $4.5 billion in revenue and hold $9.9 billion in assets.

Browse all 167 membership organizations in Massachusetts →

The largest are Tufts Health Public Plans Inc, Northrop Grumman Veba Master Trust I, and Gpu Companies Health Care Plan For Nonbargaining Retirees.

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Mutual / membership in Massachusetts

Largest by revenue first.

Tufts Health Public Plans Inc 501(c)(4) · Canton, MA	$2.6B
NNorthrop Grumman Veba Master Trust I 501(c)(9) · Quincy, MA	$1.3B
GGpu Companies Health Care Plan For Nonbargaining Retirees 501(c)(9) · Heritage Dr N Qu, MA	$133.3M
Massachusetts Life And Health Insurance Guaranty Association 501(c)(6) · Springfield, MA	$120.7M
JJohn Hancock Mutual Life Insurance Company Empl Welfare Trust 501(c)(9) · Boston, MA	$95.4M
MMassachusetts Institute Of Technology Welfare Benefit Plans Trust 501(c)(3) · Cambridge, MA	$66.5M
TTransit Employees Health And Welfare Fund 501(c)(9) · Boston, MA	$23.2M
Wayne J Griffin Electric Inc Welfare Benefit Plan Trust 501(c)(9) · Holliston, MA	$19.6M
UUnitarian Universalist Association Employee Benefits Trust - Veba 501(c)(9) · Boston, MA	$18.2M
PPinnacle West Capital Corporation Union Health Benefits Master Trust 501(c)(9) · Heritage Dr N Qu, MA	$17.0M
Johnson Controls Employment Transition Benefits Plan 501(c)(17) · Norton, MA	$16.3M
MMaster Trust Agreement For Welfare Benefits 501(c)(9) · Somerville, MA	$13.3M
Ugsoa Health And Welfare Trust Fund 501(c)(9) · East Wareham, MA	$11.8M
PPinnacle West Capital Corporation Non-Union Health Benefits Trust 501(c)(9) · Heritage Dr N Qu, MA	$11.4M
Ophthalmic Consultants Of Boston Inc Health Welfare & Benefits Plan 501(c)(9) · Waltham, MA	$10.5M
NNp Dr Phillips Llc Co Aew Capital Management Lp 501(c)(25) · Boston, MA	$10.2M
Workers Compensation Research Institute 501(c)(3) · Waltham, MA	$8.1M
GGpu Companies Basic Life Ins Plan For Non-Bargaining Retirees 501(c)(9) · Heritage Dr N Qu, MA	$7.9M
NNp Crosby Llc Co Aew Capital Management Lp 501(c)(25) · Boston, MA	$7.4M
JJohn Hancock Mutual Life Ins Co Marketing Rep Welfare Trust 501(c)(9) · Boston, MA	$7.4M
NNp 18Th & Chet Llc Co Aew Capital Management Lp 501(c)(25) · Boston, MA	$6.0M
NNp Atlanta Infill Industrial Llc Co Aew Capital Management Lp 501(c)(25) · Boston, MA	$6.0M
PPinnacle West Capital Corporation Life Insurance Benefits Trust 501(c)(9) · Heritage Dr N Qu, MA	$5.9M
NNp Abbey Llc Co Aew Capital Management Lp 501(c)(25) · Boston, MA	$5.9M
CChmc Otolaryngologic Foundation Inc Voluntary Employees Beneficiary Assn 501(c)(9) · Boston, MA	$5.7M
NNp Six Forks Llc 501(c)(25) · Boston, MA	$5.2M
NNp Oak Lawn Commons Llc Co Aew Capital Management Lp 501(c)(25) · Boston, MA	$5.1M
BBoston Plasterers & Cement Masons & Asphalt Layers Loc 534 Hlth & Welf 501(c)(9) · Boston, MA	$4.9M
Massachusetts Laborers' Legal Services Fund 501(c)(9) · Burlington, MA	$3.8M
PProfessional Fire Fighters Of Massachusetts Health And Welfare 501(c)(9) · Boston, MA	$2.7M
UUaw Umass Health & Welfare Tr Fund 501(c)(9) · Amherst, MA	$2.7M
NNage Seiu Local 5000Trial Court Of Massachusetts Health And Welfare Fund 501(c)(9) · Quincy, MA	$2.7M
NNp Bangerter Crossing Llc Co Aew Capital Management Lp 501(c)(25) · Boston, MA	$2.5M
The Garden At Gethsemane Inc 501(c)(13) · Boston, MA	$2.2M
Proprietors Of The Rural Cemetery In Worcester 501(c)(13) · Worcester, MA	$2.1M
IIso New England Retiree Medical Dental And Life Tr 501(c)(9) · Holyoke, MA	$2.1M
Woodlawn-North Purchase Cemeteries Assoc 501(c)(13) · Attleboro, MA	$1.5M
Exeter Health Resources Inc Short Term Disability Tr 501(c)(9) · Charlestown, MA	$1.4M
MMcofu Retiree Health And Welfare Plan Tr 501(c)(9) · Leominster, MA	$1.4M
CCardiovascular Surgical Foundation Inc Retiree Medical Savings Acct 501(c)(9) · Boston, MA	$1.4M
The American City Coalition Inc 501(c)(3) · Boston, MA	$1.3M
NNew England Police Benevolent Association Health & Welfare Trust 501(c)(9) · Leominster, MA	$1.1M
AAl-Marhama 501(c)(13) · Belmont, MA	$1.1M
National Correctional Employees Union Tr Fund 501(c)(9) · Northampton, MA	$1.1M
IIbew Local 7 Supplemental Health & Welfare Fund 501(c)(9) · Springfield, MA	$1.0M
SSource International Corp Employee Benefits Tr 501(c)(9) · Sutton, MA	$995K
CCentral Cemetery Association Of Randolph 501(c)(13) · Boston, MA	$992K
TTufts Medical Center-Employee After-Tax Contribution Trust 501(c)(9) · Boston, MA	$790K
BBoston Plasterers And Cement Masons Sub Fund Local Union 534 501(c)(9) · Dorchester, MA	$698K
New England Venture Capital Association 501(c)(6) · Boston, MA	$670K
Teamsters Local 25 Training Fund Inc 501(c)(9) · Boston, MA	$660K
NNorth River Collaborative Other Post-Employ Benefits Liab Tr Fd 501(c)(9) · Rockland, MA	$586K
GGpu Companies Basic Life Ins Plan For Bargaining Unit Retirees 501(c)(9) · Heritage Dr N Qu, MA	$557K
UUniversity Of Massachusetts-Seiu Local 888 Health & Welfare Fund 501(c)(9) · Braintree, MA	$519K
FFraternal Order Of Eagles 501(c)(8) · East Freetown, MA	$488K
AAmherst Cemetery Association 501(c)(13) · Amherst, MA	$486K
WWilliam Sutton Lodge Trustees Bldg 501(c)(10) · Saugus, MA	$459K
HHopedale Village Cemetery 501(c)(13) · Hopedale, MA	$443K
Masspace Inc 501(c)(6) · Boston, MA	$428K
Fraternal Order Of Eagles 501(c)(8) · East Weymouth, MA	$373K
Knights Templar Of The United States Of America 501(c)(10) · Boston, MA	$338K
SSons Of Italy In America 501(c)(8) · Methuen, MA	$313K
HHolyoke Knights Of Columbus Building Association 501(c)(8) · Holyoke, MA	$309K
Hbs Health Industry Alumni Association Inc 501(c)(6) · Sudbury, MA	$277K
BBraintree Lodge 413 Loyal Order Of Moose 501(c)(8) · Braintree, MA	$265K
Benevolent & Protective Order Of Elks Of The Usa 501(c)(8) · Natick, MA	$247K
MMiaa Msaa Voluntary Beneficiary Association Trust 501(c)(9) · Franklin, MA	$240K
NNeedham Cemetery Association 501(c)(13) · Needham, MA	$235K
WWorcester Bnai Birth Cemetery Corp 501(c)(13) · Worcester, MA	$232K
CClark Shores Water Corporation 501(c)(12) · Lakeville, MA	$231K
FFern Hill Cemetery Corporation 501(c)(13) · Hanson, MA	$223K
MMaster Wardens & Members Of The Grand Lodge Of Masons In Mass 501(c)(10) · Wayland, MA	$220K
WWcribma-Veba 501(c)(9) · Boston, MA	$210K
SSide By Side Charitable Organization Inc 501(c)(3) · Auburn, MA	$209K
WWwt Inc 501(c)(12) · Norwood, MA	$209K
SSaint Fidelis Cemetery Support Foundation 501(c)(3) · Boston, MA	$206K
DDedham Lodge 189 Loyal Order Of Moose 501(c)(8) · Dedham, MA	$197K
MMount Adnah Cemetery Company 501(c)(13) · Gloucester, MA	$184K
Tiffany Club New England 501(c)(3) · Boston, MA	$181K
TTewksbury Cemetery Corporation 501(c)(13) · Tewksbury, MA	$171K
WWoodside Cemetery Corporation 501(c)(13) · Yarmouth Port, MA	$168K
GGroton Cemetery Association Inc 501(c)(13) · Groton, MA	$161K
Pride Of Lynn Cemetery Corp 501(c)(13) · Swampscott, MA	$154K
FFall River Industrial Park Association Inc 501(c)(6) · Fall River, MA	$154K
BBoston Pediatric Neurosurgical Foun Dation Inc Veba Trust 501(c)(9) · Boston, MA	$153K
BBoston Public School Teachers Retirement Fund Association 501(c)(11) · Boston, MA	$145K
TTufts Medical Center Retirement Savings Account Plan - Hospital-Co 501(c)(9) · Boston, MA	$142K
Massachusetts Board Of Bar Overseers Welfare Trust 501(c)(9) · Boston, MA	$132K
WWest Springfield Police Club And Relief Association 501(c)(9) · West Springfield, MA	$129K
Veba Retiree Msa Plan For Ma Nurses Assoc 501(c)(9) · Canton, MA	$129K
MMichael J Perkins American Legion Post 67 Inc 501(c)(19) · South Boston, MA	$124K
XXi Sam-Fenway Alumni Corporation 501(c)(7) · Boston, MA	$124K
Boston Muslim Cemetery Corporation 501(c)(13) · Medford, MA	$120K
KKnights Templar Of The United States Of America 501(c)(10) · Boston, MA	$118K
YYarmouth Moose Lodge #2270 Loyal Order Of Moose 501(c)(8) · South Yarmouth, MA	$116K
MMassachusetts State Grange Patrons Of Husbandry Inc 501(c)(8) · Upton, MA	$116K
PPittsfield Masonic Association 501(c)(10) · Pittsfield, MA	$112K
High Street Cemetery Association 501(c)(13) · Hingham, MA	$106K
SSouth Easton Cemetery Corporation 501(c)(13) · South Easton, MA	$106K
Francesco Desanctis Lodge #1411 Sons Of Italy Inc 501(c)(8) · Natick, MA	$105K

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