| Business | Phone |
| A A Maintenance 1496 Via El Monte, San Lorenzo 94580 | (510) 276-9520 |
| D P Building Maintenance 125 Sunnyside Dr, San Lorenzo 94580 | (510) 568-5451 |
| Eco-Kleen Janitorial 15857 Channel St, San Lorenzo 94580 | (510) 278-7076 |
| Marlene Janitorial Svc 1558 Via Hermana, San Lorenzo 94580 | (510) 276-8122 |
| Modern Way 716 Zia Pacheco, San Lorenzo 94580 | (510) 351-2515 |
| Eco-Kleen Janitorial 1576 Via Ventana, San Lorenzo 94580 | (510) 278-7076 |
| Sweeping Reforms 1466 Via Lacqua, San Lorenzo 94580 | (510) 317-0560 |