| Business | Phone |
| Ace Cleaning Castro Valley 94546 | (510) 538-3486 |
| Al's Building Maintenance 4960 Elrod Dr, Castro Valley 94546 | (510) 538-3778 |
| Carr Janitorial Svc 1656 Grove Way, Castro Valley 94546 | (510) 881-2042 |
| Oscar Moya Janitorial Co 4061 E Castro Blvd # 204, Castro Valley 94546 | (510) 538-1248 |