| Business | Phone |
| Professional Building Mntnc 8523 Lankershim Blvd, Sun Valley 91352 | (818) 771-1100 |
| West Coast Building Mntnc 8523 Lankershim Blvd, Sun Valley 91352 | (818) 252-0000 |
| Associated Janitor Svc Co 8986 Cayuga Ave, Sun Valley 91352 | (818) 767-0514 |
| Continental Maintenance Svc 10901 Goss St, Sun Valley 91352 | (818) 768-5412 |
| Fine Maintenance & Repairs Sun Valley 91352 | (818) 768-1363 |
| New Century Janitorial Svc Sun Valley 91352 | (818) 767-0899 |