| Business | Phone |
| Communication Max 12148 Fondren Rd, Houston 77035 | (713) 726-0424 |
| Communications Advisory Svc 440 Louisiana St, Houston 77002 | (713) 236-7771 |
| Oasis Communications Inc 11925 Windfern Rd, Houston 77064 | (281) 362-1245 |
| Cpsi Communications Power 15711 Juneau Ln, Houston 77040 | (713) 856-0714 |
| Instant Communications 9816 Whithorn Dr, Houston 77095 | (832) 243-0700 |
| Mr Telephone Communications 1725 Blalock Rd, Houston 77080 | (713) 932-9300 |
| Comtel Communications Inc 1155 Brittmoore Rd A, Houston 77043 | (713) 827-8040 |
| Global Direct Communications 6776 Southwest Fwy # 175, Houston 77074 | (713) 271-0444 |
| Cap Rock Communications 9801 Westheimer Rd, Houston 77042 | (713) 789-4235 |
| Cisco Systems Inc 10777 Westheimer Rd, Houston 77042 | (713) 260-9623 |
| Society For Technical Comm Po Box 42051, Houston 77242 | (713) 706-3434 |
| Abc Page 8310 Gulf Fwy, Houston 77017 | (713) 641-1200 |
| Access Communications 10333 Harwin Dr, Houston 77036 | (713) 988-0010 |
| Access Line Communications Houston 77056 | (713) 871-0780 |
| Access Line Communications Houston 77081 | (713) 349-9725 |
| Airband Communications 6699 Portwest Dr 150, Houston 77024 | (713) 426-2406 |
| Alliance Communications 12121 Northwest Fwy, Houston 77092 | (713) 896-6684 |
| Alpha & Omega Communications 8512 Long Point Rd, Houston 77055 | (713) 467-4737 |
| American Lightwave Comms 2950 North Loop W 1200, Houston 77092 | (713) 850-0990 |
| Ariel Communications 2 E Greenway Plz, Houston 77046 | (713) 840-7442 |
| Arsa Technologies 307 Fm 1960 Rd W, Houston 77090 | (281) 320-9600 |
| Big City Communications 11330 Homestead Rd, Houston 77016 | (281) 442-2079 |
| Broadwing Communications 2 Riverway # 800, Houston 77056 | (713) 403-5000 |
| Broadwing Communications 293 N Main St, Houston 77002 | (713) 224-7700 |
| C & C Worldwide Communications 8222 Antoine Dr, Houston 77088 | (281) 847-3535 |
| Champions Communication 1000 Louisiana St, Houston 77002 | (713) 571-9581 |
| Company At Cloud 9llc 9545 Katy Fwy, Houston 77024 | (713) 722-8277 |
| Confidential Communications 2525 North Loop W 260, Houston 77008 | (713) 365-0777 |
| Credit Coalition 3300 Lyons Ave, Houston 77020 | (713) 224-8100 |
| Crown Communications 260 Richey Rd, Houston 77090 | (281) 583-1556 |
| Cti 3534 E T C Jester Blvd, Houston 77018 | (281) 820-5454 |
| Cypress Communications 11111 Katy Fwy, Houston 77079 | (713) 647-3100 |
| Cypress Communications 6250 Westpark Dr, Houston 77057 | (832) 252-2300 |
| Cypress Communications 7500 San Felipe St, Houston 77063 | (713) 273-7000 |
| Diversified Communication Svc 1311 Heathwick Ln, Houston 77043 | (281) 496-2106 |
| F & G Communication 6509 Airline Dr, Houston 77076 | (713) 697-9495 |
| F G Communications Systems 5012 Telephone Rd, Houston 77087 | (713) 847-7070 |
| Flexiss 9712 Old Katy Rd, Houston 77055 | (713) 463-8804 |
| Focal Communications Corp 500 Dallas St, Houston 77002 | (832) 476-3200 |
| Foresight Communications Inc 7214 Blenheim Palace Ln, Houston 77095 | (281) 345-9380 |
| Frontier Communications 3 Riverway 700, Houston 77056 | (713) 621-9480 |
| Frontier Communications 4801 Woodway Dr, Houston 77056 | (713) 513-4886 |
| Gamma Communications 6633 Hillcroft St, Houston 77081 | (713) 771-5058 |
| Gdc Communications 6065 Hillcroft St, Houston 77081 | (713) 271-0444 |
| Global One 7100 Business Park Dr, Houston 77041 | (713) 856-7775 |
| Grw Net 17400 El Camino Real, Houston 77058 | (281) 480-4638 |
| H K Communications 1463 Brittmoore Rd, Houston 77043 | (713) 979-0250 |
| Tri-Tel Communications Inc 1463 Brittmoore Rd, Houston 77043 | (713) 365-9621 |
| Hickox Communications 16800 Greenspoint Park Dr, Houston 77060 | (281) 873-9200 |
| Prime Wave Communications 7670 Woodway Dr 300, Houston 77063 | (713) 784-0030 |
| Kentel Communication Svc 10810 Telephone Rd, Houston 77075 | (713) 987-5400 |
| Kentel Communication Svc 12421 Scarsdale Blvd B, Houston 77089 | (713) 464-9638 |
| Kataman Communications 5615 Kirby Dr, Houston 77005 | (713) 533-0018 |
| Interconnect Tele Inc 16650 Sugar Pine Ln, Houston 77090 | (281) 580-1589 |
| Intermedia Communications 3 E Greenway Plz, Houston 77046 | (713) 965-9006 |
| Intermedia Communications 440 Louisiana St, Houston 77002 | (713) 223-0002 |
| International Communications 1100 Louisiana St, Houston 77002 | (713) 759-1478 |
| International Telecommunicaton 16350 Park Ten Pl, Houston 77084 | (281) 599-1771 |
| Mr Mixx Community Svc 8630 Cullen Blvd, Houston 77051 | (713) 734-4333 |
| Mrv Americas-Houston 946 E 14th St, Houston 77009 | (713) 869-0838 |
| Mta Communications 6330 Windswept Ln, Houston 77057 | (713) 334-1176 |