| Business | Phone |
| Advanced Controls Corp 626 W Flores St, Tucson 85705 | (520) 620-6656 |
| Bowman Industry 2200 N Wilmot Rd, Tucson 85712 | (520) 722-6633 |
| Control Engineering Inc 4500 E Speedway Blvd # 93, Tucson 85712 | (520) 323-1907 |
| Fluid Conditioning Co 1110 E Pennsylvania St # 404, Tucson 85714 | (520) 889-9750 |
| Southwest Controls Inc 630 N Craycroft Rd # 118, Tucson 85711 | (520) 886-2096 |