| Business | Phone |
| Air Fax 400 Reed St, Santa Clara 95050 | (408) 496-6040 |
| Associated Air Balancing Inc 1134 Walsh Ave, Santa Clara 95050 | (408) 330-6170 |
| Bayarea Balancing & Cleanrooms 400 Reed St, Santa Clara 95050 | (408) 330-0900 |
| Pyramid Balancing Assoc 3333 Scott Blvd, Santa Clara 95054 | (510) 337-1244 |