| Union Name | Address | Phone/Fax | Key Contacts | |
| CMEA | 1 Frank H. Ogawa Plaza 6th Floor Oakland, CA 94612 | Jamie Smith (510) 238-3812 Jaime Pritchett (510) 238-4735 | Jamie Smith (Vice Pres) Jaime Pritchett (Secretary) | Jamie Smith jsmith@oaklandcityattorney.org Jaime Pritchett jpritchett@oaklandca.gov |
| Local 21 (IFPTE) | 1440 Broadway, Suite 610, Oakland, CA 94612 | Phone (510) 451- 4982 Fax (510) 451-1736 | Kathryn General Sharon Jenkins Anthony Reese (Chapter VP) | kgeneral@ifpte21.org sjenkins@ifpte21.org areese@oaklandca.gov |
| Local 55 (IAFF) | 369 15th Street Oakland, CA 94612 | Phone (510) 339-9073 Fax (510) 834-0812 Daniel C. Robertson (510) 410-4238 (DR) | Zac Unger Daniel C. Robertson | zdunger@yahoo.com ofd20@comcast.net |
| Local 1021 (SEIU) | 100 Oak Street Oakland, CA 94607 Attn: Oakland Chapter | Phone (510) 350-4527 Phone (510) 504-2096 | Julio Corral Felipe Cuevas (Chapter President) | felipe.cuevas@seiu1021.org |
| Local 1245 (IBEW) | P.O. Box 942 Rancho Murieta, CA 95683 | Phone (209) 617-4715 | Charley Souders(Business Rep) effective 9/24/18 | CES2@ibew1245.com |
| OPOA/OPMA | 555 5th Street Oakland, CA 94607 | Phone (510)834-9670 Fax (510)834-0462 | Barry Donelan (President) | donelan@opoa.org |