| Business | Phone |
| Arch Telecom Inc 5718 Westheimer Rd, Houston 77057 | (713) 789-9029 |
| Business Svc Ctr 3346 E T C Jester Blvd, Houston 77018 | (713) 680-3028 |
| Caprock Communications 12000 Aerospace Ave, Houston 77034 | (281) 464-3607 |
| A T & T 6608 Highway 6 N, Houston 77084 | (713) 453-1277 |
| Continental Fax Inc 3950 Terminal Rd S, Houston 77032 | (281) 821-5723 |
| Hallmark Telex Svc 1601 Peach Leaf St, Houston 77039 | (281) 590-1368 |
| Heres Looking At You 7102 Grand Blvd, Houston 77054 | (713) 747-4529 |
| Consolidated Communications 600 Travis St, Houston 77002 | (713) 228-3066 |
| Telelink 800 Inc 1301 Fannin St, Houston 77002 | (713) 464-2242 |
| Teleport Communications Group 1301 Fannin St 1290, Houston 77002 | (713) 830-8244 |
| Nii Communications-Houston 1235 North Loop W 1216, Houston 77008 | (281) 591-4733 |
| Telco House Llc 1235 North Loop W, Houston 77008 | (713) 802-2271 |
| Sure-Tel 6866 Harrisburg Blvd, Houston 77011 | (713) 923-5472 |
| Sure-Tel 5762 Cullen Blvd, Houston 77021 | (713) 440-7771 |
| Tel West 2100 West Loop S 300, Houston 77027 | (713) 590-4242 |
| South Texas Payphone 10720 S Post Oak Rd, Houston 77035 | (713) 723-5217 |
| Sky-Tpc 6666 Harwin Dr, Houston 77036 | (713) 339-9788 |
| Telmart 2656 South Loop W, Houston 77054 | (713) 592-0007 |
| Sure-Tel 8130 Long Point Rd, Houston 77055 | (713) 468-1710 |
| Tin Can Communications 1003 Wirt Rd, Houston 77055 | (713) 465-6523 |
| Connect It 888 W Sam Houston Pkwy, Houston 77057 | (832) 242-1070 |
| Ddd Calling Inc 2400 Augusta Dr 263, Houston 77057 | (713) 626-7460 |
| Postnet 5773 Woodway Dr, Houston 77057 | (713) 780-9188 |
| Postnet Postal & Business Svc 5773 Woodway Dr, Houston 77057 | (713) 780-2988 |
| Program Co 2630 Fountain View Dr, Houston 77057 | (713) 339-2929 |
| Rock Creek Gate Phone 12502 Seattle Slew Dr, Houston 77065 | (281) 970-6058 |
| Ameritalk Inc 12000 Westheimer Rd, Houston 77077 | (832) 379-1204 |
| Telelink 800 Inc 13086 Trail Hollow Dr, Houston 77079 | (713) 973-9333 |
| Phone Planet 8788 Hammerly Blvd E, Houston 77080 | (713) 463-9120 |
| Superior Phone Co 9422 Hammerly Blvd, Houston 77080 | (713) 688-3719 |
| Smoke Signal Communications 6200 Bellaire Blvd, Houston 77081 | (713) 981-1508 |
| Superior Systems & Secretarial Houston 77087 | (713) 645-6076 |
| Talk Communications 630 W Little York Rd, Houston 77091 | (281) 820-3693 |
| Western Union 17731 Fairgrove Park Dr, Houston 77095 | (281) 858-5773 |
| Sure-Tel 12635 Bissonnet St, Houston 77099 | (281) 568-4731 |
| Westel Inc 1415 North Loop W 910, Houston 77008 | (713) 861-4657 |
| Videoconferencing Center 7011 Harwin Dr, Houston 77036 | (713) 888-0632 |
| Telemart 2626 South Loop W 360, Houston 77054 | (713) 222-8255 |
| X O Communications Inc 2401 Portsmouth St, Houston 77098 | (832) 200-2000 |