| Business | Phone |
| B & C Janitorial Svc Inc 1159 Lantern Bay, Hercules 94547 | (510) 741-8903 |
| Advantage Maintenance Mgmt 112 Maple Ct, Hercules 94547 | (510) 799-4461 |
| Asap Maintenance Svc 487 Falcon Way, Hercules 94547 | (510) 245-3837 |
| M & N Janitorial 433 Grenadine Way, Hercules 94547 | (510) 245-3562 |