| A-1 MESSAGING SERVICE | PITTSBURGH, PA | (412) 341-9030 |
| ADVANCED VOICE RECOGNITION LLC | 304 JUNIATA CT PITTSBURGH, PA | (412) 683-4275 |
| ADVANTAGE WIRELESS | 4864 MCKNIGHT RD PITTSBURGH, PA | (412) 367-7766 |
| AERIAL COMMUNICATIONS | 2000 TECHNOLOGY DR PITTSBURGH, PA | (412) 395-1000 |
| AMCOM | PITTSBURGH, PA | (412) 364-2888 |
| AMCOM-VACUFLO | PITTSBURGH, PA | (412) 364-2888 |
| AT & T WIRELESS SERVICES | 2630 LIBERTY AVE PITTSBURGH, PA | (412) 471-4400 |
| BEAR COMMUNICATIONS INC | PITTSBURGH, PA | (412) 531-9509 |
| BELL ATLANTIC MOBILE | 4930 MCKNIGHT RD PITTSBURGH, PA | (412) 369-8500 |
| BRITCHER TELECOM INC | 1311 OLD FREEPORT RD PITTSBURGH, PA | (412) 968-9166 |
| CELLULAR SOLUTIONS INC | 2020 TWIN PLZA BLDG PITTSBURGH, PA | (412) 201-6980 |
| COMTEL COMMUNICATIONS | 1000 ROSS PARK MALL DR PITTSBURGH, PA | (412) 635-2773 |
| DAVIS COMMUNICATIONS | 4254 SETON DR PITTSBURGH, PA | (412) 881-9397 |
| DAVIS COMMUNICATIONS | PITTSBURGH, PA | (412) 835-8118 |
| DELTACOM INTERNATIONAL | 2004 KINVARA DR PITTSBURGH, PA | (412) 367-8968 |
| DIGITAL CONTENT CORP | 7812 HAMILTON AVE PITTSBURGH, PA | (412) 247-4640 |
| DO-ALL ELECTRONICS | 715 DORSEYVILLE RD PITTSBURGH, PA | (412) 963-8558 |
| DSC WIRELESS WORLD | 1165 MCKINNEY LN PITTSBURGH, PA | (412) 920-6414 |
| FASTLINK INC | 425 E OHIO ST PITTSBURGH, PA | (412) 231-1444 |
| FASTLINK INC | 1205 E CARSON ST PITTSBURGH, PA | (412) 488-1331 |
| FASTLINK INC | 5924 PENN AVE PITTSBURGH, PA | (412) 363-1377 |
| FUJITSU BUSINESS COMMUNICATIONS SYSTEMS | 10 FOSTER PLZ PITTSBURGH, PA | (412) 937-9600 |
| GLOBAL CELLULAR | 301 S HILLS VLG PITTSBURGH, PA | (412) 835-0460 |
| GLOBAL COMM WIRELESS | PITTSBURGH, PA | (412) 241-5500 |
| GRAND SLAM TECHNOLOGIES | 700 RIVER AVE PITTSBURGH, PA | (412) 322-5770 |
| HI-TECH COMMUNICATIONS | 2407 PENN AVE PITTSBURGH, PA | (412) 466-8244 |
| INTEGRATED BUSINESS TECHNOLOGIES INC | 11 ALDRED LN PITTSBURGH, PA | (412) 650-1002 |
| KAPP COMMUNICATIONS INC | 57 INDEPENDENCE ST PITTSBURGH, PA | (412) 808-8000 |
| MILLENNIUM DIGITAL | 1002 GREENTREE RD PITTSBURGH, PA | (412) 922-3700 |
| NEC BUSINESS NETWORK SOLUTIONS | 7805 MCKNIGHT RD PITTSBURGH, PA | (412) 635-7960 |
| PAC COMM | 5035 CLAIRTON BLVD PITTSBURGH, PA | (412) 882-0400 |
| PANDA TECHNOLOGIES | 6315 FORBES AVE PITTSBURGH, PA | (412) 521-5000 |
| PHONES PLUS | 396 HOLIDAY PARK DR PITTSBURGH, PA | (412) 795-1860 |
| PROFESSIONAL COMMUNICATIONS MESSAGING SERVICE INC | 1485 CRANE AVE PITTSBURGH, PA | (412) 341-9030 |
| QP WIRELESS | 1000 ROSS PARK MALL DR PITTSBURGH, PA | (412) 635-9720 |
| SPRINT PCS | 200 CLIFF MINE RD PITTSBURGH, PA | (412) 249-4980 |
| SYSTRON INC | 3003 BABOCK BLVD PITTSBURGH, PA | (412) 931-2580 |
| TELEPHONIX INC | 962 WILKINS AVE PITTSBURGH, PA | (412) 371-8271 |
| TRANSCEND SERVICES INC | 1500 ARDMORE BLVD PITTSBURGH, PA | (412) 371-6420 |
| VERIZON WIRELESS | 355 5TH AVE PITTSBURGH, PA | (412) 310-4600 |
| VERIZON WIRELESS | ROSS PRK MALL PITTSBURGH, PA | (412) 364-5041 |
| VOICESTREAM WIRELESS | 1900 S HILLS VILLAGE MALL PITTSBURGH, PA | (412) 851-1874 |
| WARNER TELECOMM LTD | 229 YARDLEY WAY PITTSBURGH, PA | (412) 362-9000 |
| WIRELESS RETAIL | 249 SUMMIT PARK DR PITTSBURGH, PA | (412) 494-5970 |