| Business | Phone |
| 1010 Mechanical Svc 1113 Hampshire Ln, Richardson 75080 | (972) 479-0707 |
| Allied Mechanical 601 Business Pkwy, Richardson 75081 | (972) 907-8200 |
| Allied Mechanical Contractors 902 Business Pkwy, Richardson 75081 | (972) 907-8200 |
| Atlantis Services Inc 901 Waterfall Way 500, Richardson 75080 | (972) 644-8859 |
| Beard Mechanical Contractors 1351 Ti Blvd, Richardson 75081 | (972) 699-9142 |
| Miinc Lp 1401 Ti Blvd, Richardson 75081 | (214) 575-9600 |