| Business | Phone |
| Arevalo Janitorial Svc 6046 Robertson Ave, Newark 94560 | (510) 713-7570 |
| At Your Svc Janitorial 5953 Bellflower Dr, Newark 94560 | (510) 790-4808 |
| Carpet Care Co 37171 Sycamore St, Newark 94560 | (408) 719-0600 |
| Ike-Clean Svc Po Box 976, Newark 94560 | (510) 793-5510 |
| Ken's Kw Metlton Janitorial 35874 Burning Tree Dr, Newark 94560 | (510) 792-1473 |
| Three Stars Janitorial Svc 36439 Newark Blvd, Newark 94560 | (510) 818-1863 |