| Business | Phone |
| Moreno Supply Inc 4134 Billy Mitchell Dr, Addison 75001 | (972) 416-6490 |
| Microchip Technology Inc 16200 Addison Rd 255, Addison 75001 | (972) 818-7423 |
| Microchip Technology Inc 4570 Westgrove Dr, Addison 75001 | (972) 991-8588 |
| Molex 4570 Westgrove Dr, Addison 75001 | (972) 931-0999 |
| Thomas & Betts Corp 16415 Addison Rd, Addison 75001 | (972) 980-1590 |
| Zunicom Inc 4300 Wiley Post Rd, Addison 75001 | (972) 851-5600 |