| Business | Phone |
| Afscme Council 76 333 Court St, Pueblo 81003 | (719) 545-2180 |
| Colorado State Correctional 333 Court St, Pueblo 81003 | (719) 545-5544 |
| Communications Workers-America 421 N Main St # 416, Pueblo 81003 | (719) 544-7702 |
| Communications Workers-America 600 W Northern Ave, Pueblo 81004 | (719) 543-3132 |
| Fire Fighters 2117 E Evans Ave, Pueblo 81004 | (719) 564-2910 |
| Ibew 2901 Farabaugh Ln, Pueblo 81005 | (719) 561-8000 |
| Iron Workers Local Union 24 706 Elmhurst Pl, Pueblo 81004 | (719) 542-7435 |
| Iuoe Local # 9 706 Elmhurst Pl, Pueblo 81004 | (719) 543-3369 |
| Jatc Local 20 2924 Graneros Ln, Pueblo 81005 | (719) 560-9056 |
| Ufcw Local 7 1838 Vinewood Ln, Pueblo 81005 | (719) 561-0360 |
| United Steelworkers Of America 1414 E Evans Ave, Pueblo 81004 | (719) 564-5241 |
| United Steelworkers Of America 701 Berkley Ave, Pueblo 81004 | (719) 543-5437 |
| National Assn-Letter Carriers 1240 Lake Ave, Pueblo 81004 | (719) 543-6609 |
| Plumber & Steamfitters Local 2924 Graneros Ln, Pueblo 81005 | (719) 560-9100 |
| Pueblo Area Labor Council 108 Broadway Ave, Pueblo 81004 | (719) 543-6053 |
| Pueblo Area Local-Apwu 830 N Main St, Pueblo 81003 | (719) 545-8360 |
| Spanish Peaks Uniserv 1004 W Abriendo Ave, Pueblo 81004 | (719) 546-1610 |
| Pueblo State Instn 123 333 Court St, Pueblo 81003 | (719) 542-7508 |