| Business | Phone |
| Anritsu Wiltron Co 1155 E Collins Blvd 100, Richardson 75081 | (972) 644-1777 |
| Ceibo Inc 1221 W Campbell Rd 203, Richardson 75080 | (972) 968-0700 |
| Century Electronics 1343 Columbia Dr 413, Richardson 75081 | (972) 437-0090 |
| Delta V Instruments 1870 Firman Dr, Richardson 75081 | (972) 644-6501 |
| Eberts Electronic Sale 430 Buckingham Rd # 625, Richardson 75081 | (972) 699-3598 |
| Eclipse Electronic Systems Inc 1399 Executive Dr W, Richardson 75081 | (972) 699-8580 |
| Flanagan's Electronics 212 Mistletoe Dr, Richardson 75081 | (972) 238-9484 |
| Forbis Electronic 200 E Tyler St, Richardson 75081 | (972) 238-5578 |
| Foresight Electronics 800 E Campbell Rd, Richardson 75081 | (972) 997-7290 |
| Hawk Electronics 3801 W George Bush Hwy, Richardson 75080 | (972) 437-4295 |
| Jrnr Electronics 645 Presidential Dr, Richardson 75081 | (972) 301-9919 |
| Leehah Electronics 1302 Exchange Dr, Richardson 75081 | (972) 479-1398 |
| Leemah Electronics 1001 E Arapaho Rd, Richardson 75081 | (972) 479-9090 |
| Martec Electronics 903 N Bowser Rd 110, Richardson 75081 | (972) 671-9001 |
| Microtex Electronics 2929 N Central Expy, Richardson 75080 | (972) 479-1011 |
| Mileage Validator Inc 808 Business Pkwy, Richardson 75081 | (972) 644-2466 |
| Radio Shack 206 W Campbell Rd, Richardson 75080 | (972) 669-1210 |
| Radio Shack 501 S Plano Rd # 847, Richardson 75081 | (972) 238-5783 |
| Radio Shack 980 N Coit Rd # 2850, Richardson 75080 | (972) 437-1898 |
| Radio Shack 2850 Promenade Ctr, Richardson 75080 | (972) 437-1898 |
| Reptron Electronics 1840 N Greenville Ave, Richardson 75081 | (972) 231-4305 |
| Skylight Electronics 515 W Campbell Rd, Richardson 75080 | (972) 664-9990 |
| Specialized Electronic Svc Inc 13650 Ti Blvd, Richardson 75081 | (972) 680-9210 |
| Symmetry Electonics 1200 Executive Dr E, Richardson 75081 | (972) 690-9350 |
| V-Tek Inc 1234 Executive Dr W, Richardson 75081 | (972) 479-9442 |
| Void Arts 417 Towne House Ln, Richardson 75081 | (972) 238-7944 |
| Zec Sales 705 N Bowser Rd, Richardson 75081 | (972) 669-0895 |
| Electrospec Sales Inc 101 W Renner Rd 400, Richardson 75082 | (972) 690-3774 |
| Samsung Electronics 1301 E Lookout Dr, Richardson 75082 | (972) 235-3704 |