| Business | Phone |
| American Federation-State Empl 124 S Denver Ave # 102, Tulsa 74103 | (918) 584-0334 |
| American Postal Workers Union 2132 S 91st East Ave, Tulsa 74129 | (918) 660-0514 |
| American Postal Workers Union 2875 E Admiral Pl, Tulsa 74110 | (918) 834-9972 |
| Amfa 10815 E Marshall St # 102, Tulsa 74116 | (918) 439-5000 |
| Boilermakers Local 2310 W 41st St, Tulsa 74107 | (918) 446-1419 |
| Brotherhood Of Maintenance 5043 S 33rd West Ave, Tulsa 74107 | (918) 446-4677 |
| Carpenters Joint Apprntcshp 5476 S 108th East Ave, Tulsa 74146 | (918) 622-6290 |
| Carpenters Local Union 5476 S 108th East Ave, Tulsa 74146 | (918) 628-0410 |
| Communications Workers-America 1503 S Memorial Dr, Tulsa 74112 | (918) 587-6798 |
| Communications Workers-America 4174 S 118th East Ave, Tulsa 74146 | (918) 665-6012 |
| Electricians Local Union 584 S Lewis Ave, Tulsa 74104 | (918) 592-2989 |
| Iatse Local 354 Po Box 701462, Tulsa 74170 | (918) 496-7722 |
| Ibew 12510 E 21st St, Tulsa 74129 | (918) 438-7344 |
| International Association-Mach 4620 E 11th St # 207, Tulsa 74112 | (918) 834-0171 |
| International Union-Elevator 1502 E 2nd St, Tulsa 74120 | (918) 587-1662 |
| International Union-Oper Engrs 12109 E Skelly Dr, Tulsa 74128 | (918) 437-0370 |
| Iron Workers Local Union 14716 E Pine St, Tulsa 74116 | (918) 437-1446 |
| Ironworkers Apprenticeship 14712 E Pine St, Tulsa 74116 | (918) 234-4980 |
| Laborers International Union 208 S Guthrie Ave, Tulsa 74103 | (918) 583-5261 |
| Uaw Local 1414 N Memorial Dr, Tulsa 74115 | (918) 835-9523 |
| Uswa Local 9368 5303 E Marshall Ct, Tulsa 74115 | (918) 836-0827 |
| National Assn-Letter Carriers 1515 S Memorial Dr, Tulsa 74112 | (918) 584-2576 |
| National Post Office Mail Handler 2132 S 91st East Ave, Tulsa 74129 | (918) 622-3695 |
| Transport Workers Union 11929 E Pine St, Tulsa 74116 | (918) 437-4300 |
| Tulsa Typographical Union 5326 E 30th Pl, Tulsa 74114 | (918) 744-0062 |
| Northeastern Ok Labor Council 4620 E 11th St # 202, Tulsa 74112 | (918) 832-8128 |
| Oklahoma Education Assn 10810 E 45th St # 301, Tulsa 74146 | (918) 665-2282 |
| Teamsters Local Union 123 W 11th St, Tulsa 74119 | (918) 587-3358 |
| Oklahoma Operating Engineers 6363 E 31st St # 111, Tulsa 74135 | (918) 838-1225 |
| Oklahoma Service Workers Union 907 S Detroit Ave # 1005, Tulsa 74120 | (918) 587-0886 |
| Painters & Sign Painters Local 124 S Denver Ave # 105, Tulsa 74103 | (918) 583-3477 |
| Pipeline Industry Benefit Fund 4845 S 83rd East Ave, Tulsa 74145 | (918) 280-4800 |
| Pipeliners Local Union 4823 S 83rd East Ave, Tulsa 74145 | (918) 622-1900 |
| Plumbers & Pipefitters 2908 N Harvard Ave, Tulsa 74115 | (918) 836-0430 |
| Sheet Metal Workers Union 632 E 3rd St, Tulsa 74120 | (918) 587-2388 |