| Business | Phone |
| Finfonet Inc 215 E Freeman St 106, Duncanville 75116 | (972) 296-6789 |
| Trask Enterprises Inc 1007 Greenwood Pl, Duncanville 75137 | (972) 709-7720 |
| Tech Pros Po Box 381523, Duncanville 75138 | (972) 780-9031 |
| Texstar Computer Systems 603 N Cedar Ridge Dr 200, Duncanville 75116 | (972) 298-9596 |