| Business | Phone |
| Metrotime Business Systems 5600 E Loop 820 S, Fort Worth 76119 | (817) 563-1160 |
| National Telesystems Inc 2701 Airport Fwy # B103, Fort Worth 76111 | (817) 222-2400 |
| Percom Communications 4608 Wind Hill Ct E, Fort Worth 76179 | (817) 236-3361 |
| Service Communication Inc 1200 E 1st St, Fort Worth 76102 | (817) 332-1938 |
| Telesys Communications Inc 7415 Whitehall Street, Suite 124, Fort Worth 76118 | (817) 590-9339 |
| Thomas Electronics Inc 2350 Great Southwest Pkwy, Fort Worth 76106 | (817) 624-4111 |
| University Computers Acrocom 3334 W 7th St, Fort Worth 76107 | (817) 870-2921 |
| Vision Communications 5901 Blanchard Dr, Fort Worth 76131 | (817) 886-6696 |
| Wesco Communications 512 Main St # 900, Fort Worth 76102 | (817) 361-6750 |
| Commserve Technologies Group 321 Thomas Pl, Fort Worth 76140 | (817) 478-7371 |
| D & B Telephones Inc 2113 W Long Ave, Fort Worth 76106 | (817) 378-0424 |
| D & B Telephones Inc 3625 Kearney Ave, Fort Worth 76106 | (817) 625-4078 |
| D & B Telephones Inc 4600 Miller Ave, Fort Worth 76119 | (817) 534-8073 |
| D & B Telephones Inc 501 S Edgewood Ter, Fort Worth 76103 | (817) 534-1159 |
| Direct Sales Communications 7729 Sand St, Fort Worth 76118 | (817) 590-9790 |
| Drake Communications Inc Fort Worth 76102 | (817) 332-3839 |
| Frontier Computer Corp 500 Main St, Fort Worth 76102 | (817) 246-1216 |