| Business | Phone |
| Carpenter's 1400 Esplanade Ave, Klamath Falls 97601 | (541) 882-1193 |
| Klamath Basin Fire Fighters 7110 Hilyard Ave, Klamath Falls 97601 | (541) 882-1105 |
| National Assn-Letter Carriers 317 S 7th St, Klamath Falls 97601 | (541) 273-5309 |
| Teamsters Local Union 330 S 11th St, Klamath Falls 97601 | (541) 882-5511 |
| Woodworkers 3836 Altamont Dr, Klamath Falls 97603 | (541) 884-8106 |