| Index | 0 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Home |
| Company | Country | Branch |
| 3U Telekommunikation | Germany | Telecommunication |
| Able Telcom Holding Corp. | USA | Telecommunication |
| ACT Networks, Inc. | USA | Telecommunication |
| ACT Teleconferencing, Inc. | USA | Telecommunication |
| ADC Telecommunications, Inc. | USA | Telecommunication |
| Adtran, Inc. | USA | Telecommunication |
| Advanced Fibre Communications | USA | Telecommunication |
| Advanced Info Service | Thailand | Telecommunication |
| Advanced Radio Telecom Corp. | USA | Telecommunication |
| Alcatel SEL | Germany | Telecommunication |
| Allegiance Telecom, Inc. | USA | Telecommunication |
| Allgon | Sweden | Telecommunication |
| America Movil | Mexico | Telecommunication |
| American TeleScource International | USA | Telecommunication |
| Amper | Spain | Telecommunication |
| Applied Micro Circuits Corporation | USA | Telecommunication |
| Ascom Holding | Switzerland | Telecommunication |
| Asia Satellite Telecommunications Holdings | Hong Kong | Telecommunication |
| AT & T | USA | Telecommunication |
| AT & T Wireless | USA | Telecommunication |
| At Home Corporation | USA | Telecommunication |
| Atlantic Telecom Group | United Kingdom | Telecommunication |
| Bell Atlantic | USA | Telecommunication |
| British Telecom | United Kingdom | Telecommunication |
| Broadcom Corporation | USA | Telecommunication |
| Cable & Wireless | United Kingdom | Telecommunication |
| Cable & Wireless HKT | Hong Kong | Telecommunication |
| Cabletel Communications Corp. | USA | Telecommunication |
| Camelot | Germany | Telecommunication |
| Carrier1 | Luxemburg | Telecommunication |
| CCT Telecom Holdings | Hong Kong | Telecommunication |
| C-Cube Microsystems Inc. | USA | Telecommunication |
| Ceragon Networks | Israel | Telecommunication |
| China Mobile | China | Telecommunication |
| China Telecom (Hong Kong) | Hong Kong | Telecommunication |
| CIENA Corporation | USA | Telecommunication |
| Citizens Communications Company | USA | Telecommunication |
| City Telecom (H.K.) | Hong Kong | Telecommunication |
| City Telecom (H.K.) Limited | USA | Telecommunication |
| CM Telecom International | Hong Kong | Telecommunication |
| CMGI, Inc. | USA | Telecommunication |
| Cobalt Networks, Inc. | USA | Telecommunication |
| Colt Telecom Group | United Kingdom | Telecommunication |
| Comcast Corporation | USA | Telecommunication |
| Commonwealth Telephone Enterprises, Inc. | USA | Telecommunication |
| Comtech Telecommunications Corp. | USA | Telecommunication |
| Comverse Technology, Inc. | USA | Telecommunication |
| Conduit | Ireland | Telecommunication |
| Copper Mountain Networks, Inc. | USA | Telecommunication |
| Covad Communication | USA | Telecommunication |
| Crosswave Communications | Japan | Telecommunication |
| CS Communication & Systemes | France | Telecommunication |
| CyberTron Telekom | Austria | Telecommunication |
| D&E Communications, Inc. | USA | Telecommunication |
| Dataflex Holdings | United Kingdom | Telecommunication |
| Debitel | Germany | Telecommunication |
| Deutsche Telekom | Germany | Telecommunication |
| Dimension | Sweden | Telecommunication |
| Dmatek | Israel | Telecommunication |
| Drillisch | Germany | Telecommunication |
| Easynet Group | United Kingdom | Telecommunication |
| EchoStar Communications Corporation | USA | Telecommunication |
| ECI Telecom Ltd. | USA | Telecommunication |
| ECtel Ltd. | Israel | Telecommunication |
| Eircom | Ireland | Telecommunication |
| Elektrim | Poland | Telecommunication |
| Emulex Corporation | USA | Telecommunication |
| Energis | United Kingdom | Telecommunication |
| Ericsson Telephone Company, LM | Sweden | Telecommunication |
| ESS Technology, Inc | USA | Telecommunication |
| Exodus Communications | USA | Telecommunication |
| Farmstead Telephone Group, Inc. | USA | Telecommunication |
| Fibernet Group | United Kingdom | Telecommunication |
| Filtronic | United Kingdom | Telecommunication |
| FLAG Telecom Holdings Limited | USA | Telecommunication |
| Foundry Networks, Inc. | USA | Telecommunication |
| France Telecom | France | Telecommunication |
| Franklin Telecommunications Corp. | USA | Telecommunication |
| Funkwerk | Germany | Telecommunication |
| GAP AG | Germany | Telecommunication |
| Gemstar-TV Guide International | USA | Telecommunication |
| Genesys | France | Telecommunication |
| Gigabell | Germany | Telecommunication |
| Global Crossing Ltd | USA | Telecommunication |
| Global Light Telecommunications Inc. | USA | Telecommunication |
| Global Telesystems | USA | Telecommunication |
| Globalstar Telecommunications, Limited | USA | Telecommunication |
| GST Telecommunications | USA | Telecommunication |
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