| ||||
| Satphone Telecommunications Services Ltd | 05.03.1997 | UK | 07.03.1997 | |
| Mobile Communications Holdings, Inc. | 07.03.1997 | USA | 12.03.1997 | |
| Ministry of Infrastructure Development | 14.03.1997 | Mongolia | 14.03.1997 | |
| Telecommunications Industry Association (TIA) | 14.03.1997 | USA | 20.03.1997 | |
| Inmarsat | 17.03.1997 | UK | 20.03.1997 | |
| Odyssey Telecommunications International Inc. (OTI) | 21.03.1997 | Canada | 21.03.1997 | |
| United States of America | 20.03.1997 | USA | 24.03.1997 | |
| Townley Communications Ltd | 24.03.1997 | UK | 25.03.1997 | |
| Iridium LLC | 26.03.1997 | USA | 02.04.1997 | |
| Final Analysis | 17.03.1997 | USA | 27.03.1997 | |
| ||||
| Motorola | 27.03.1997 | USA | 01.04.1997 | |
| AT&T | 26.03.1997 | USA | 01.04.1997
| |
| NEC | 26.03.1997 | Japan | 02.04.1997 | |
| Finland | 03.04.1997 | Finland | 03.04.1997
During GMPCS Signatories meeting | |
| Orbcomm | 28.03.1997 | USA | 03.04.1997
During GMPCS Signatories meeting | |
| Loral Space & Communications Ltd | 01.04.1997 | USA | 03.04.1997
During GMPCS Signatories meeting | |
| Iridium Canada | 03.04.1997 | Canada | 03.04.1997
During GMPCS Signatories meeting | |
| Tanzania | 03.04.1997 | Tanzania | 03.04.1997
During GMPCS Signatories meeting | |
| Kenya | 03.04.1997 | Kenya | 03.04.1997
During GMPCS Signatories meeting | |
| ||||
| Globalstar | 03.04.1997 | USA | 03.04.1997
During GMPCS Signatories meeting | |
| ICO Global Communications | 03.04.1997 | UK | 03.04.1997
During GMPCS Signatories meeting | |
| Lebanon (Ministry of Posts & Telecommunications) | 03.04.1997 | Lebanon | 03.04.1997 During GMPCS Signatories meeting | |
| Norway | 04.04.1997 | Norway | 04.04.1997
During GMPCS Signatories meeting | |
| Cameroon | 04.04.1997 | Cameroon | 04.04.1997
During GMPCS Signatories meeting | |
| Skybridge L.L.C. | 04.04.1997 | USA | 04.04.1997
During GMPCS Signatories meeting | |
| Korea Telecom | 04.04.1997 | Korea | 04.04.1997
During GMPCS Signatories meeting |
| ||||
| Kumho Telecom | 04.04.1997 | Korea | 04.04.1997
During GMPCS Signatories meeting | |
| Dacom Corp. | 04.04.1997 | Korea | 04.04.1997
During GMPCS Signatories meeting | |
| Samsung Electronics Co. | 04.04.1997 | Korea | 04.04.1997
During GMPCS Signatories meeting | |
| Korea | 04.04.1997 | Korea | 04.04.1997
During GMPCS Signatories meeting | |
| Iridium Korea | 04.04.1997 | Korea | 04.04.1997
During GMPCS Signatories meeting | |
| Hyundai Electronics Industries Co., Ltd | 04.04.1997 | Korea | 04.04.1997
During GMPCS Signatories meeting | |
| Office National des Postes & Télécommunications | 03.04.1997 | Tchad | 04.04.1997 | |
| Department of Tourism, Posts & Telecommunications | 07.04.1997 | Indonesia | 18.04.1997 | |
| ||||
| Teledesic Corporation | 07.04.97 | USA | 18.04.97 | |
| Nuova Telespazio | 11.04.97 | Italy | 17.04.97 | |
| Iridium Italia | 10.04.97 | Italy | 17.04.97 | |
| MCS (Orbcomm Europe) | 30.04.97 | Netherlands | 02.05.97 | |
| WBU/EBU | 09.05.97 | Switzerland | 09.05.97 | |
| Telenor International | 04.05.97 | Norway | 12.05.97 | |
| COMSAT Communications | 12.05.97 | USA | 16.05.97 | |
| France Telecom | 15.05.97 | France | 20.05.97 | |
| VULA Communications | 23.95.97 | South Africa | 27.05.97 | |
| NAMBA | 26.05.97 | Canada | 27.05.97 | |
| Hitachi Ltd | 22.05.97 | Japan | 29.05.97 | |
| Nippon Iridium Corp. | 05.06.97 | Japan | 09.06.97 | |
| Industry Canada | 10.06.97 | Canada | 13.06.97 | |
| Italy | 13.06.97
| Italy | 18.06.97 |
| ||||
| Telecom Italia Mobile (TIM) | 09.06.97 | Italy | 18 .06.97 | |
| Intelsat | 12.06.97 | USA | 18.06.97 | |
| Brazil | 24.06.97 | Brazil | 24.06.97 | |
| DDI Corporation | 24.06.97 | Japan | 03.07.97 | |
| Mitsubishi Electric Corporation | 20.06.97 | Japan | 17.07.97 | |
| Satellite Phone Japan Ltd | 18.06.97 | Japan | 17.07.97 | |
| Iridium Sudamerica | 27.06.97 | Brazil | 24.07.97 | |
| Lao | 10.07.97 | Lao | 24.07.97 | |
| Japan | 30.07.97 | Japan | 31.07.97 | |
| Monaco | 31.07.97 | Monaco | 31.07.97 | |
| Tunisia | 28.07.97 | Tunisia | 07.08.97 |