| INTERNATIONAL UNION UNITED AUTO AEROSPACE & AGRICULTURAL WORKERS | DETROIT, MI | program funder | 10 |
| AMERICAN FEDERATION OF LABOR & CONGRESS OF INDUSTRIAL ORGS | WASHINGTON, DC | program funder | 9 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES | WASHINGTON, DC | program funder | 8 |
| COMMUNICATIONS WORKERS OF AMERICA AFL-CIO CLC | WASHINGTON, DC | program funder | 8 |
| UNITED FOOD AND COMMERCIAL WORKERS INTERNATIONAL UNION | WASHINGTON, DC | program funder | 8 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS | WASHINGTON, DC | program funder | 7 |
| INTERNATIONAL UNION OF PAINTERS AND ALLIED TRADES | HANOVER, MD | program funder | 7 |
| UNITED STEELWORKERS | PITTSBURGH, PA | program funder | 7 |
| AMALGAMATED TRANSIT UNION | SILVER SPRING, MD | program funder | 5 |
| INTERNATIONAL UNION OF BRICKLAYERS AND ALLIED CRAFTWORKERS | WASHINGTON, DC | program funder | 5 |
| INTERNATIONAL BROTHERHOOD OF TEAMSTERS | WASHINGTON, DC | program funder | 4 |
| INTERNATIONAL UNION UNITED AUTO AEROSPACE & AGRICULTURAL WORKERS | DETROIT, MI | program funder | 4 |
| NATIONAL EDUCATION ASSOCIATION OF THE UNITED STATES | WASHINGTON, DC | program funder | 4 |
| NATIONAL NURSES UNITED | OAKLAND, CA | program funder | 4 |
| OFFICE AND PROFESSIONAL EMPLOYEES INTERNATIONAL UNION | NEW YORK, NY | program funder | 4 |
| UNITE HERE | NEW YORK, NY | program funder | 4 |
| ASSOCIATION FOR ACCESSIBLE MEDICINES | WASHINGTON, DC | program funder | 3 |
| INTERNATIONAL ASSOCIATION PENSION PLAN | WASHINGTON, DC | program funder | 3 |
| INTERNATIONAL BROTHERHOOD OF BOILERMAKERS IRON SHIP BUILDERS | KANSAS CITY, MO | program funder | 3 |
| Progressive Workers Coalition | | program funder | 3 |
| ROBERT WOOD JOHNSON FOUNDATION | PRINCETON, NJ | large program funder | 3 |
| UNITED MINE WORKERS OF AMERICA- INTERNATIONAL | TRIANGLE, VA | program funder | 3 |
| 1199SEIU UNITED HEALTHCARE WORKERS EAST | NEW YORK, NY | program funder | 2 |
| AMERICAN FEDERATION OF LABOR & CONGRESS OF INDUSTRIAL ORGS | CHICAGO, IL | program funder | 2 |
| AMERICAN POSTAL WORKERS UNION | WASHINGTON, DC | program funder | 2 |