| Business | Phone |
| Advanced Construction Clean Up 33762 Colgate Dr, Union City 94587 | (510) 489-3414 |
| Alfa Janitorial & Maintenance 4272 Fair Ranch Rd, Union City 94587 | (510) 489-0712 |
| Big Janitorial Svc Po Box 873, Union City 94587 | (510) 471-1937 |
| Deep Maintenance Co 1025 Boyle St, Union City 94587 | (510) 487-7864 |
| East Bay Janitorial Svc 3700 Horner St, Union City 94587 | (510) 429-8959 |
| Easterday Janitorial Suppply 2953 Whipple Rd, Union City 94587 | (510) 441-9619 |
| Ijn Cleaning Svc 805 E St, Union City 94587 | (510) 429-9555 |
| Jessica's Janitorial 2137 Mann Ave, Union City 94587 | (510) 477-0619 |
| Jlp Building Maintenance 32623 Alvarado Blvd, Union City 94587 | (510) 429-1315 |
| Tas Quality Janitorial 2480 Aptos Ct, Union City 94587 | (510) 471-7093 |
| Tatum Janitorial Svc 31022 Union City Blvd, Union City 94587 | (510) 489-6611 |
| Toor Building Maintenance Union City 94587 | (510) 487-8600 |