1. Directory of nonprofits
  2. Categories
  3. Unions and employment organizations
  4. Unions

Labor unions

There are 37,875unions in the United States. Combined, these unionsemploy 592,201 people, earn more than $28 billion in revenue each year, and have assets of $53 billion.
Skip to:
Related directory pages:

Job trends for Unions

Employees per organizationNumber of organizations
0
2,321
1-10
2,793
11-25
2,050
26-100
1,512
101 to 1,000
328
1,000+
7
Key takeaways for employment stats:

Sizes of unions

Revenues per organizationNumber of organizations
< $250k
7,675
$250k to $1M
3,315
$1M to $5M
2,231
$5M to $25M
677
$25M to $100M
111
$100M+
34
Key takeaways for revenue stats:

Directory of unions

Want to add filters to this list, or drill down on results in detail? Open in the Cause IQ search interface
1-20 of 37,875

American Federation of Musicians of the US & Canada (AFM)

80,000 musicians comprise the American Federation of Musicians of the United States and Canada (AFM). We perform in orchestras, backup bands, festivals, clubs and theaters both on Broadway and on tour.
Revenue
$13.8m
Assets
$45.8m
Employees
61
EIN
22-1476432
IRS type
501(c)(5)

Service Employees International Union (SEIU)

The Service Employees International Union is 2.1 million working people and 50,000 retirees united to improve services and their communities across the United States, Canada and Puerto Rico.
Revenue
$254.2m
Assets
$433.7m
Employees
525
EIN
36-0852885
IRS type
501(c)(5)

Collaborative Labeling and Appliance Standards Program (CLASP)

Collaborative Labeling and Appliance Standards Program (CLASP) enhances energy efficiency in appliances to combat climate change and improve lives globally.
Revenue
$26.3m
Assets
$21.0m
Employees
41
EIN
33-1112770
IRS type
501(c)(3)

National Association of Letter Carriers - Nalc HQS (NALC)

Letter carriers deliver mail, six days a week, to more than 150 million homes and businesses in every city, suburb and town in America.
Revenue
$1.9b
Assets
$1.3b
Employees
574
EIN
53-0114650
IRS type
501(c)(5)

National Football League Players Association (NFLPA)

The National Football League Players Association is the union for professional football players in the National Football League.
Revenue
$123.1m
Assets
$804.1m
Employees
112
EIN
52-1169809
IRS type
501(c)(5)

United Steelworkers USW

The USW is 1.2 million working and retired members throughout the United States, Canada and the Caribbean, working together to improve our jobs, to build a better future for our families; and to promote fairness, justice and equality.
Revenue
$554.4m
Assets
$1.5b
Employees
1,441
EIN
25-0818080
IRS type
501(c)(5)

National Education Association of the United States

Advocates for education professionals and unites members to fulfill promise of public ed. Located in DC.
Revenue
$388.4m
Assets
$428.4m
Employees
566
EIN
53-0115260
IRS type
501(c)(5)

National Treasury Employees Union / National Headquarters (NTEU)

NTEU is the nation's largest independent union of federal employees, representing 150,000 workers in 31 departments and agencies. To organize federal employees to work together to ensure that every federal employee is treated with dignity and respect.
Revenue
$38.6m
Assets
$68.0m
Employees
132
EIN
53-0244795
IRS type
501(c)(5)

Teamsters - TCWH (IBT)

IBT is a North America's strongest union.. Formed by the merger of several local and regional locals of teamsters, the union now represents a diverse membership of blue-collar and professional workers in both the public and private sectors.
Revenue
$238.1m
Assets
$458.2m
Employees
744
EIN
53-0215427
IRS type
501(c)(5)

Unite Here

To protect the rights of working people throughout the US and Canada who work in hotel, gaming, food service, manufacturing, textile, distribution, laundry, and airport industries.
Revenue
$93.1m
Assets
$238.1m
Employees
280
EIN
13-3819434
IRS type
501(c)(5)

Amalgamated Transit Union (ATU)

ATU organizes transit workers, promotes dispute settlement, and secures employment rights. Also handles membership, education, and contract issues.
Revenue
$53.3m
Assets
$225.3m
Employees
87
EIN
53-6014540
IRS type
501(c)(5)

United Food & Commercial Workers Union - Ufcw

United Food & Commercial Workers Union - Ufcw organizes all workers for their economic, moral, and social advancement of condition and status in Washington, DC.
Revenue
$244.2m
Assets
$610.5m
Employees
458
EIN
53-0220586
IRS type
501(c)(5)

IBEW Local Union No. 26

IBEW Local Union No. 26 is a labor union in Lanham, MD whose mission is: To further the professional and social welfare of members of the electrical industry.
Revenue
$26.6m
Assets
$61.5m
Employees
41
EIN
53-0088390
IRS type
501(c)(5)

Building Trades Employers' Association of Eastern Massachusetts

To represent 252 member organizations comprised of union contractors in the Building and construction industry in boston and Eastern Massachusetts and to provide contract negotiating services.
Revenue
$3.0m
Assets
$3.6m
Employees
6
EIN
04-1133160
IRS type
501(c)(6)

National Association of Landscape Professionals Incorporated (NALP)

The National Association of Landscape Professionals (NALP) passionately advocates for the economic, social and environmental benefits for the landscape industry.
Revenue
$9.0m
Assets
$7.8m
Employees
34
EIN
94-1543185
IRS type
501(c)(6)

American Orthotic and Prosthetic Association (AOPA)

The American Orthotic & Prosthetic Association is a national trade association committed to providing high quality, unprecedented business services and products to O&P professionals.
Revenue
$4.5m
Assets
$10.5m
Employees
14
EIN
53-0190441
IRS type
501(c)(6)

Electrical Contractors Association of City of Chicago (ECA)

We work with a Joint Arbitration Board to manage our industry's collective bargaining agreement, including our apprentice and journeyman training programs.
Revenue
$2.8m
Assets
$5.3m
Employees
8
EIN
36-1033910
IRS type
501(c)(6)

Kentucky Education Association

To unite, organize and empower members to advocate for themselves, to ensure a quality public Education for every Kentucky student and to be the preeminent voice for quality public Education.
Revenue
$9.8m
Assets
$16.7m
Employees
55
EIN
61-0245450
IRS type
501(c)(6)

Pennsylvania State Education Association (PSEA)

PSEA is a dynamic, democratic organization committed to advancing quality public education for all students, and to fostering the dignity and worth of its members through collective action.
Revenue
$79.8m
Assets
$206.4m
Employees
274
EIN
23-0961125
IRS type
501(c)(6)

North Carolina Association of Educators

To be the voice of Educators in North Carolina that unites, organizes, and empowers members to be advocates for educational professionals,public education and children.
Revenue
$6.7m
Assets
$36.6m
Employees
62
EIN
56-0948289
IRS type
501(c)(6)
Want more insights on unions?
There's a whole lot more to Cause IQ than what you see here. Additional filters, personnel information, peer benchmarking, Salesforce integration, vendor lists, etc. Access all the information your company needs in one place, already collected.
Schedule a demo
Over 200 customers use Cause IQ to grow, maintain, and serve their nonprofit clients.
Methodology: Cause IQ mines all tax-exempt organizations that file a Form 990, Form 990-EZ, or Form 990-PF with the IRS. We collect and aggregate this information from OCR'd paper taxreturns, XML e-file taxreturns, IRS-provided extract, the Business Master File, and Cause IQ secret sauce for data cleaning, categorization, classification, analytics, etc.
This category corresponds to the "J40: Labor unions, organizations" National Taxonomy of Exempt Entities (NTEE) code. Cause IQ determines NTEEs for organizations by its own internally-developed secret-sauce algorithms.
Cause IQ is a website that helps companies grow, maintain, and serve their nonprofit clients, and helps nonprofits find additional foundation funding. Our data and tools help professionals prospect for nonprofits, research opportunities, benchmark their clients, and enrich existing information.
Nonprofits
Product
Customers
About

© 2025 Nonprofit Metrics LLC
Terms of Service and Privacy Policy