| Business | Phone |
| A Window Man Palo Alto 94301 | (650) 329-9959 |
| C & C Janitorial Svc 2503 Hazelwood Way, Palo Alto 94303 | (650) 322-1412 |
| Castrejon Janitorial 2124 Lincoln St, Palo Alto 94303 | (650) 324-8491 |
| Clean Energy Inc 345 Sheridan Ave, Palo Alto 94306 | (650) 329-8500 |
| Hassan Janitorial Svc Palo Alto 94306 | (650) 858-2211 |
| Quality Cleaning By Kathleen Palo Alto 94301 | (650) 630-1412 |
| Neal's Janitorial Svc 3801 Miranda Ave, Palo Alto 94304 | (650) 424-1164 |
| Total Quality Maintenance 897 Commercial St, Palo Alto 94303 | (650) 846-4700 |