| Business | Phone |
| Sharp Maintenance Svc 16921 Parthenia St # 201, Northridge 91343 | (818) 246-4642 |
| A D Tricor Janitorial Svc 8860 Corbin Ave, Northridge 91324 | (818) 709-7345 |
| Accolade Home Maintenance Northridge 91324 | (818) 298-6616 |
| Darling Floors 18825 Napa St, Northridge 91324 | (818) 341-5123 |
| Executive-Suite Svc Inc 19025 Parthenia St # 200, Northridge 91324 | (818) 993-6300 |
| Gold Star Maintenance Co 8372 Tampa Ave, Northridge 91324 | (818) 341-0855 |
| National Maintenance Co 8464 Reseda Blvd, Northridge 91324 | (818) 993-6626 |
| Stanjan Service Bureau 18535 Devonshire St, Northridge 91324 | (818) 701-7503 |
| Renaissance Cleaning Svc Northridge 91324 | (818) 667-4255 |
| Chung's Maintenance 17830 Lassen St # 204, Northridge 91325 | (818) 885-6567 |
| Micony Inc 9950 Zelzah Ave, Northridge 91325 | (818) 775-0447 |
| Sharp Maintenance Svc 16921 Parthenia St # 201, Northridge 91343 | (818) 894-1600 |