501(c)(5) organizations

43,888 U.S. organizations are recognized by the IRS under 501(c)(5). A labor, agricultural, or horticultural organization. Together they report $37 billion in revenue and hold $76 billion in assets. Browse the largest below, or narrow by state and category.

The largest are National Association Of Letter Carriers, Building Service 32Bj Health Fund, and United Steel Paper And Forestry.

Largest 501(c)(5) organizations

Largest by revenue first.

National Association Of Letter Carriers 501(c)(5) · Watervliet, NY	$2.2B
Building Service 32Bj Health Fund 501(c)(5) · New York, NY	$1.8B
United Steel Paper And Forestry 501(c)(5) · Pittsburgh, PA	$694.0M
National Education Association Of The United States 501(c)(5) · Washington, DC	$402.8M
Air Line Pilots Association International 501(c)(5) · Mclean, VA	$382.1M
LLaborers-Employers Benefit Plan Collection Trust 501(c)(5) · Washington, DC	$348.5M
DDistrict Council 37 Benefits Fund Trust 501(c)(5) · New York, NY	$300.5M
National Basketball Players Association 501(c)(5) · New York, NY	$291.0M
Service Employees International Union 501(c)(5) · Washington, DC	$280.8M
International Union - Uaw 501(c)(5) · Detroit, MI	$273.0M
United Food And Commercial Workers 501(c)(5) · Washington, DC	$261.8M
California Teachers Association 501(c)(5) · Burlingame, CA	$238.6M
International Brotherhood Of Teamsters 501(c)(5) · Washington, DC	$223.8M
New York State Teamsters Council Health & Hospital Fund 501(c)(5) · Syracuse, NY	$222.7M
1199Seiu United Healthcare Workers East 501(c)(5) · New York, NY	$218.1M
American Federation Of Teachers Afl-Cio Parent Organization 501(c)(5) · Calvin, WV	$218.1M
United Federation Of Teachers Local 2 501(c)(5) · New York, NY	$214.4M
International Brotherhood Of Electrical Workers 501(c)(5) · Washington, DC	$204.4M
UUnited Welfare Fund Of Amalamated Local Union 355 501(c)(5) · New Rochelle, NY	$200.9M
American Federation Of State County & Municipal Employees 501(c)(5) · Washington, DC	$190.3M
Western States Regional Council Of Carpenters 501(c)(5) · Los Angeles, CA	$189.2M
New York State United Teachers 501(c)(5) · Latham, NY	$186.4M
United Association Of Journeymen & Apprentices Of The Plumbing & Pipe 501(c)(5) · Annapolis, MD	$185.3M
MMajor League Baseball Players Assn 501(c)(5) · New York, NY	$184.7M
Grand Lodge International Association 501(c)(5) · Uppr Marlboro, MD	$179.2M
IInternational Brotherhood Of Electrical Workers' Pension Benefit Fund 501(c)(5) · Washington, DC	$174.8M
California Nurses Association 501(c)(5) · Oakland, CA	$173.9M
National Football League Players Association 501(c)(5) · Washington, DC	$163.5M
New Jersey Education Association 501(c)(5) · Trenton, NJ	$160.6M
The Civil Service Employees Association Inc 501(c)(5) · Albany, NY	$160.3M
Communications Workers Of America Afl-Cio Clc 501(c)(5) · Washington, DC	$147.7M
Seiu United Health Care Workers - West 501(c)(5) · Oakland, CA	$145.9M
UUnited Brotherhood Of Carpenters And Joiners Of America 501(c)(5) · Pittsburgh, PA	$137.2M
American Federation Of Labor And Congress Of Industrial Organizations 501(c)(5) · Washington, DC	$131.2M
Service Employees International Local 501(c)(5) · New York, NY	$131.2M
Screen Actors Guild- American Federation Of Television And Radio 501(c)(5) · Los Angeles, CA	$129.7M
United Brotherhood Of Carpenters & Joiners Of America 501(c)(5) · Tulsa, OK	$124.3M
SSeiu Local 2015 501(c)(5) · Los Angeles, CA	$121.7M
Electrical Industry Board Of Nassau & Suffolk Counties New York 501(c)(5) · Hauppauge, NY	$111.3M
Laborers' International Union Of North America 501(c)(5) · Washington, DC	$111.0M
United Brotherhood Of Carpenters & Joiners Of America 501(c)(5) · Chicago, IL	$110.0M
International Union Of Operating Engineers 501(c)(5) · Washington, DC	$107.4M
California School Employees Association 501(c)(5) · San Jose, CA	$104.0M
International Association Of Sheet Metal Air Rail And Transportation 501(c)(5) · Washington, DC	$100.3M
Unite Here Local 26 Inc 501(c)(5) · New York, NY	$97.5M
IInternational Brotherhood Of Electrical Workers 501(c)(5) · Roseland, NJ	$85.4M
International Association Of Fire Fighters 501(c)(5) · Washington, DC	$84.1M
American Federation Of Government Employees 501(c)(5) · Washington, DC	$80.2M
United Association Of Journeymen & Apprentices Of The Plumbing & Pipe 501(c)(5) · Columbia, MD	$80.0M
Service Employees International 501(c)(5) · Los Angeles, CA	$80.0M
Steamfitters Industry Welfare Fund Board Of Trustees 501(c)(5) · Long Island City, NY	$79.9M
SSheet Metal Workers Local Union No 20 Welfare And Benefit Fund 501(c)(5) · Indianapolis, IN	$79.8M
American Federation Of Labor & Congress Of Industrial Orgs 501(c)(5) · Washington, DC	$79.2M
American Center For International Labor Solidarity 501(c)(5) · Washington, DC	$79.1M
Allied Pilots Association % Chad Erickson 501(c)(5) · Fort Worth, TX	$78.8M
International Union Of Operating Engineers Local 3 501(c)(5) · Concord, CA	$77.7M
Central Midwest Regional Council Of Carpenters 501(c)(5) · Greenwood, IN	$75.9M
Los Angeles County Fair Assn Fairgrounds 501(c)(5) · Pomona, CA	$73.2M
SSouthwest Carpenters Training Fund 501(c)(5) · Los Angeles, CA	$68.0M
International Brotherhood Of Electrical Workers 501(c)(5) · Vacaville, CA	$67.2M
American Quarter Horse Association 501(c)(5) · Amarillo, TX	$66.6M
Northern California Carpenters Regional Council 501(c)(5) · Oakland, CA	$65.8M
American Postal Workers Union Afl-Cio 501(c)(5) · Washington, DC	$65.7M
Electrical Industry Labor Management Cooperation Tr 501(c)(5) · Dorchester, MA	$65.6M
International Brotherhood Of Boilermakers Iron Ship Builders 501(c)(5) · Kansas City, MO	$65.3M
New York State Nurses Association 501(c)(5) · Albany, NY	$65.2M
Illinois Education Association 501(c)(5) · Springfield, IL	$64.7M
International Assn Of Bridge Structural 501(c)(5) · Washington, DC	$64.5M
Washington Education Association 501(c)(5) · Federal Way, WA	$64.3M
Service Employees International Union 501(c)(5) · Seattle, WA	$63.4M
Illinois Agricultural Association 501(c)(5) · Bloomington, IL	$62.7M
United Teachers Los Angeles 501(c)(5) · Los Angeles, CA	$61.5M
1021 Ohlone Chapter 501(c)(5) · Oakland, CA	$61.4M
Elevator Industry Work Preservation Fund 501(c)(5) · Columbia, MD	$61.4M
Michigan Education Association 501(c)(5) · East Lansing, MI	$60.0M
International Union Of Operating Engineers 150 501(c)(5) · Countryside, IL	$60.0M
Joint Industry Board Of The Electrical Industry 501(c)(5) · Flushing, NY	$59.0M
American Federation Of State County & Municipal Employees 501(c)(5) · New York, NY	$59.0M
UUnited Domestic Workers Of America 501(c)(5) · San Diego, CA	$58.2M
Oregon Homecare Workers Supplemental Tr 501(c)(5) · Portland, OR	$57.5M
TTeamsters Local 237 Administrative Fund 501(c)(5) · New York, NY	$57.3M
BBrotherhood Of Locomotive Engineers And Trainmen Group Return 501(c)(5) · Independence, OH	$55.7M
Massachusetts Teachers Association 501(c)(5) · Quincy, MA	$55.4M
International Union Of Bricklayers And Allied Craftworkers 501(c)(5) · Washington, DC	$54.9M
Steamfitters Industry Security Benefit Fund 501(c)(5) · Long Island City, NY	$54.4M
United Brotherhood Of Carpenters & Joiners Of America 501(c)(5) · Dorchester, MA	$54.4M
CCarpenters International Training Fund 501(c)(5) · Tulsa, OK	$54.0M
1199Seiu Labor Management Initiatives Inc 501(c)(5) · New York, NY	$54.0M
International Union Of Painters And Allied Trades 501(c)(5) · Hanover, MD	$53.3M
UUnited Nurses Assns Of Caunion Of Health 501(c)(5) · San Dimas, CA	$52.2M
American Angus Association 501(c)(5) · Saint Joseph, MO	$51.5M
United University Professions Benefit Trust Fund 501(c)(5) · Albany, NY	$51.4M
National Rural Letter Carriers Association 501(c)(5) · Alexandria, VA	$51.4M
NNew York State United Teachers Member Benefits Catastrophe Major 501(c)(5) · Latham, NY	$51.3M
RRetail Wholesale & Department Store International Union & Industry 501(c)(5) · Birmingham, AL	$50.9M
Iowa Farm Bureau Federation 501(c)(5) · Wdm, IA	$49.5M
IInternational Union Of Operating Engineers Local 12 501(c)(5) · Pasadena, CA	$49.0M
Southwest Airlines Pilots Association 501(c)(5) · Irving, TX	$48.4M
Service Employees International Union 501(c)(5) · Albany, NY	$48.1M
National Postal Mail Handlers Union 501(c)(5) · Washington, DC	$47.6M

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