| Business | Phone |
| Phillip Osborne & Assoc 1301 W 38th St 510, Austin 78705 | (972) 934-6707 |
| Voice Power Telecom 660 S Santa Rosa, Austin 73301 | (512) 380-6005 |
| Verizon 816 Congress Ave 1500, Austin 78701 | (512) 370-4200 |
| Voice Power Telcom 211 E 7th St, Austin 78701 | (512) 482-0959 |
| Voicetext.Com 211 E 7th St # 1200, Austin 78701 | (512) 472-3723 |
| Xspedius Communications 816 Congress Ave # 500, Austin 78701 | (512) 494-1900 |
| Transamerican Telephone Austin 78759 | (512) 651-2100 |
| Tad Telecommunication Svc 8834 N Capital Of Texas Hwy, Austin 78759 | (512) 346-1500 |
| Tpi 5206 Wind River Rd, Austin 78759 | (512) 527-0891 |
| Samsung Telecommunications 11044 Research Blvd, Austin 78759 | (512) 439-4250 |
| Sky Comm Telecommunications 744 W William Cannon Dr # 11, Austin 78745 | (512) 442-1704 |
| Omega Optics 10435 Burnet Rd, Austin 78758 | (512) 996-8833 |
| On Fiber Communications Inc 11921 N Mo Pac Expy, Austin 78759 | (512) 651-7415 |
| Logix Communications 11940 Jollyville Rd, Austin 78759 | (512) 481-3100 |
| Mas Tec 2808 Industrial Ter, Austin 78758 | (512) 836-4800 |
| Birch Telecom 6836 Austin Center Blvd # 260, Austin 78731 | (512) 338-8300 |
| Continental Comm 3401 Guadalupe St, Austin 78705 | (512) 206-4160 |
| Hubble & Son Ltd 2100 Pipers Field Dr 40, Austin 78758 | (512) 491-0352 |
| Genesys Telecom 11782 Jollyville Rd, Austin 78759 | (512) 219-4003 |
| Gudalupe Valley Ventures 702 Colorado St 117, Austin 78701 | (512) 472-4034 |
| Encore Telecommunications Inc 4201 S Congress Ave, Austin 78745 | (512) 637-0000 |
| Folkerson Communications 6448 E Highway 290, Austin 78723 | (512) 977-0055 |
| Crown Castel Usa 4360 S Congress Ave 107, Austin 78745 | (512) 383-0569 |
| Dfw Direct Austin 78759 | (512) 657-2200 |
| E F & I 201 Cumberland Rd, Austin 78704 | (512) 693-0310 |
| Norvergence Inc Austin 78757 | (512) 451-2870 |
| Collocation Solution 205 W 9th St, Austin 78701 | (512) 481-9556 |
| Covad Communications 9600 Great Hills Trl, Austin 78759 | (512) 502-1788 |
| Stockton Telecom Austin 78757 | (512) 374-9277 |
| Vision Corp 2905 San Gabriel St 212, Austin 78705 | (512) 476-4445 |
| Brainstorm Industries Austin 78759 | (512) 346-7700 |
| Capital Telecommunications Inc 702 Colorado St, Austin 78701 | (512) 236-1446 |
| Carrera Communications Austin 78701 | (512) 226-0115 |
| Ctap 1606 Wethersfield Rd, Austin 78703 | (512) 476-3311 |
| Allegiance Telecom 11400 Burnet Rd, Austin 78758 | (512) 719-5018 |
| A & A Telecom Group 3007 Longhorn Blvd 102, Austin 78758 | (512) 327-3277 |
| Acs Dataline Lp 1826 Kramer Ln M, Austin 78758 | (512) 837-4400 |
| Semcom Communications 12016 Rotherham Dr, Austin 78753 | (512) 658-9075 |
| Video Conferencing Connections 1300 W Lynn St 108, Austin 78703 | (512) 450-0184 |
| Intouch Telecom 1605 W Ben White Blvd, Austin 78756 | (512) 328-7243 |
| Level 3 Communications Inc 4207 Smith School Rd, Austin 78744 | (512) 386-2602 |
| Mas Tec 2716 E 5th St, Austin 78702 | (512) 476-6777 |
| Mastec North America Inc 2716 E 5th St, Austin 78702 | (512) 482-0362 |
| Voip Tel Communications Lp 5555 N Lamar Blvd, Austin 78751 | (512) 275-0764 |
| Quality Telecom Svc Inc 7604 Towana Cir, Austin 78736 | (512) 922-5395 |
| Ria Money Transfer 104 Robert T Martinez Jr St, Austin 78702 | (512) 480-0939 |
| S A Communications 6001 Airport Blvd, Austin 78752 | (512) 371-9244 |
| Sarian Telecom 8100 Almondsbury Ln, Austin 78748 | (512) 326-4000 |
| Savvis Communications 4207 Smith School Rd, Austin 78744 | (512) 389-2948 |
| Telecom Productions 6448 E Highway 290, Austin 78723 | (512) 302-4251 |
| Telecom Solutions Inc 8901 El Rey Blvd, Austin 78737 | (512) 301-8596 |
| Verizon 7901 E Riverside Dr 1-10, Austin 78744 | (512) 437-6700 |
| A & A Teledata Svc 7801 N Lamar Blvd, Austin 78752 | (512) 454-8018 |
| Continental Pcs 10910 Ballybunion Pl, Austin 78747 | (512) 444-4727 |
| Point One Telecommunications 6500 River Place Blvd # 2 #200, Austin 78730 | (512) 381-8111 |
| Beckwith Electronics Engrng Co Austin 78728 | (512) 252-8388 |
| Birch Telecom 314 E Highland Mall Blvd, Austin 78752 | (512) 419-7629 |
| Blinknet Corp 4401 Rosedale Ave # 100, Austin 78756 | (512) 371-9300 |
| Ca-Botics Fiber Systems 4707 Cap Rock Dr, Austin 78735 | (512) 892-9254 |
| Coi Telecom 7910 Burleson Rd, Austin 78744 | (512) 282-7926 |
| Discover Telecom 6214 E Riverside Dr, Austin 78741 | (512) 389-0124 |
| Austin Network Cabling & Fiber Optic 500 E 4th Street Suite 153, Austin 78701 | (512) 271-6870 |