| Business | Phone |
| American Postal Workers Union 1102 E 3rd St, Sedalia 65301 | (660) 826-8832 |
| American Postal Workers Union 121 S Ohio Ave, Sedalia 65301 | (660) 826-8832 |
| Ibew 2113 W Broadway Blvd, Sedalia 65301 | (660) 826-0814 |
| International Union-Oper Engrs 1216 W 18th St, Sedalia 65301 | (660) 826-6363 |
| Laborers 117 S Osage Ave, Sedalia 65301 | (660) 826-4415 |
| Teamsters Chauffers Warehouse 1806 W Broadway Blvd, Sedalia 65301 | (660) 826-7534 |