| Business | Phone |
| United Cereal Workers 228 Cherokee St, St Joseph 64504 | (816) 238-3125 |
| United Steele Workers Local 1222 S 10th St, St Joseph 64503 | (816) 387-8342 |
| Carpenters Organizing 310 S Belt Hwy, St Joseph 64506 | (816) 671-9392 |
| Central Labor Council 118 S 5th St, St Joseph 64501 | (816) 232-9517 |
| Central Labor Council 612 S Woodbine Rd # A, St Joseph 64507 | (816) 232-9517 |
| St Joseph Bldg & Constr Trade 3002 Pear St, St Joseph 64503 | (816) 233-9800 |
| Sheet Metal Workers 1316 Frederick Ave, St Joseph 64501 | (816) 232-5034 |
| Plumbers & Pipefitters 3003 Pear St, St Joseph 64503 | (816) 279-5534 |
| Plumbers & Steamfitters 3003 Pear St, St Joseph 64503 | (816) 279-0361 |
| Northwest Mo Labor Council 1222 S 10th St, St Joseph 64503 | (816) 232-9517 |
| Operating Engineers H & P 1203 N 6th St, St Joseph 64501 | (816) 279-5715 |
| Painters Local Union 421 S 8th St, St Joseph 64501 | (816) 232-7467 |
| Paper Allied-Ind Chemical 1222 S 10th St, St Joseph 64503 | (816) 232-7673 |
| National Assn-Letter Carriers 2301 Saint Joseph Ave, St Joseph 64505 | (816) 233-5757 |
| Ibew 421 S 8th St, St Joseph 64501 | (816) 232-3578 |
| International Assoc Of Fire 4314 S 40th St, St Joseph 64503 | (816) 232-9114 |
| Iue 4314 S 40th St, St Joseph 64503 | (816) 671-1116 |