| Business | Phone |
| Insulators & Asbestos Workers 3000 Highway 90 E, Lake Charles 70615 | (337) 436-5874 |
| National Assn-Letter Carriers 411 17th St, Lake Charles 70601 | (337) 439-3970 |
| Plumbers & Steamfitters Local 404 E Sallier St, Lake Charles 70601 | (337) 436-2444 |
| Lake Charles Electrical Jatc 3000 Highway 90 E, Lake Charles 70615 | (337) 433-7277 |