| Business | Phone |
| Ada Electric Co 429 Rorary Dr, Richardson 75081 | (972) 238-7923 |
| All In One Electric 753 S Sherman St, Richardson 75081 | (972) 231-0958 |
| All In One Electric 815 S Sherman St, Richardson 75081 | (972) 231-0958 |
| Chilcote Electric Richardson 75081 | (972) 644-6881 |
| Cinema Power Systems 1170 Commerce Dr, Richardson 75081 | (972) 761-9060 |
| Dodson Services Co Inc 605 S Sherman St C, Richardson 75081 | (972) 235-0881 |
| Electric Redman 521 Sterling Dr, Richardson 75081 | (972) 437-1717 |
| Electrical Plus Svc 1312 Hillsdale Dr, Richardson 75081 | (972) 783-7426 |
| Hartin Electric Inc 640 N Glenville Dr, Richardson 75081 | (972) 699-7121 |
| Hirose Electric 1701 N Greenville Ave, Richardson 75081 | (469) 330-9200 |
| J & K Electrical Svc 500 E Arapaho Rd 306, Richardson 75081 | (972) 424-0999 |
| K Thompson Electric 670 International Pkwy 140, Richardson 75081 | (972) 744-0771 |
| Lmd Electrical Contractors 1400 S Sherman St 222, Richardson 75081 | (972) 480-9953 |
| Petri Electric 907 N Bowser Rd, Richardson 75081 | (972) 644-5407 |
| Prism Electric 399 W Campbell Rd, Richardson 75080 | (972) 669-2781 |
| Redmon Electric Co 521 Sterling Dr, Richardson 75081 | (972) 644-6843 |
| Richardson Ready Electric Inc 620 N Interurban St, Richardson 75081 | (972) 234-5092 |
| Rodick Electrical Svc Inc 1208 Berkeley Dr, Richardson 75081 | (972) 889-1002 |
| Winer Electric 1600 Promenade Ctr 807, Richardson 75080 | (972) 994-9291 |
| Frontier Electric Llc 783 N Grove Rd 105, Richardson 75081 | (972) 485-9797 |
| All Star Electrical Svc Inc 4137 Greenfield Dr, Richardson 75082 | (214) 215-6158 |
| Shine Electrical Group 1251 American Pkwy, Richardson 75081 | (972) 496-7070 |
| Blalock Engineering Po Box 836354, Richardson 75083 | (972) 306-3426 |