| Business | Phone |
| Arizona Public Svc Co 1500 E University Dr, Tempe 85281 | (480) 350-3137 |
| Salt River Project 1521 N Project Dr, Tempe 85281 | (602) 236-8888 |
| Cannon & Wendt Electric Co 2001 W 10th Pl, Tempe 85281 | (480) 377-0893 |
| Communication Power Solutions 6100 S Maple Ave # 116, Tempe 85283 | (480) 345-9801 |
| Optisense 1711 W Greentree Dr # 116, Tempe 85284 | (480) 367-5846 |
| Den Mark Specialty Constr Inc 2105 S 48th St # 106, Tempe 85282 | (480) 661-5341 |