| Company | Country |
|---|---|
| Abahsain Fibre Glass | Bahrain |
| ACI | Australia |
| AGC Techno Glass | Japan |
| Alcan | France |
| Ansung Glass | Korea |
| Arc International | France |
| AVIR SpA | Italy |
| Binani Fiber (Goa Glass) | India |
| Bisazza SpA | Italy |
| BSN Vidrio Espana | Spain |
| C L Gupta | India |
| Certainteed (Saint Gobain) | U.S.A. |
| Ceylon Glass | Sri Lanka |
| China Southern Glass | China |
| Crystal Iran Mfg. Co. | Iran |
| Dai-Ichi Glass | Japan |
| Dammam Factory for Bottles | Saudi Arabia |
| Dong Wha | Korea |
| Euroglas SA | France |
| Evanite Fiber Corp. | U.S.A. |
| Gerresheimer | U.S.A. |
| Ghani Glass | Pakistan |
| Glass Technology International | Germany |
| Glaverbel (Asahi) | Belgium |
| Guardian Ind. | U.S.A. |
| Gujarat Glass | India |
| Gulf Glass | Kuwait |
| Hario Glass | Japan |
| Hebei Yingxing | China |
| Hindusthan National Glass | India |
| Holophane Inc | U.S.A. |
| Holophane S.A. | France |
| Iran Float Glass Company | Iran |
| Jaroszowiec Huta Skzla | Poland |
| Jiangsu Huarun | China |
| Jiangsu Juding | China |
| Jiubing Group | China |
| Kapoor Glass | India |
| Kimble Glass | U.S.A. |
| Kioo Limited | Tanzania |
| Knauf | Belgium |
| Knauf | U.K. |
| Koa Glass | Japan |
| Kumbi Corp | Korea |
| Kumgang Korea Chemical (KCC) | Korea |
| La Manufacture de Verre | Belgium |
| Latinoamericana de Vidrio | Mexico |
| Libbey Glass | U.S.A. |
| MAG | Japan |
| Majan Glass | Oman |
| Mina Glass Co. | Iran |
| Mina Glass Factory | Georgia |
| Mohan breweries | India |
| Moravia (Vetropack) | Czech Rep. |
| Nanjing Glass Fibre | China |
| National Co. for Glass Bottles | Saudi Arabia |
| Neutral Glass | India |
| Nihon Yamamura Glass | Japan |
| Nippon Glass Fiber | Japan |
| Nippon Electric Glass | Japan |
| Nippon Sheet Glass | Japan |
| Nippon Muki | Japan |
| Okubo Glass | Japan |
| O'Neal | U.S.A. |
| Owens Corning | U.S.A. |
| Owens Corning | U.K. |
| Pannonglass Ipari | Hungary |
| Philips Lighting BV | Netherlands |
| Pilkington | U.K. |
| Pilkington SIV | Italy |
| Pittsburgh Corning | U.S.A. |
| PPG Industries | U.S.A. |
| Rogaska | Slovenia |
| Samkwang | Korea |
| Saudi Arabian Glass | Saudi Arabia |
| Shishe Va Gas | Iran |
| Simon Pearce Glass | U.S.A. |
| Sinoma Jinging | China |
| Sisecam (Cam Elyaf Sanayii) | Turkey |
| Sisecam (Mersin) | Turkey |
| Sisecam (Ruscam) | Russia |
| Sisecam (Trakya Cam Sanayii) | Turkey |
| Sklarny Kavalier | Czech Rep. |
| Soo Seok Farm Co. | Korea |
| Stoelzle Czestochowa SA | Poland |
| Straza (Vetropack) | Croatia |
| SYP Tiajin | China |
| Taian | China |
| Taiwan Glass Ind. Corp. | Taiwan |
| Taiwan Glass Ind. Corp. | China |
| Techglass | Poland |
| Teichman | U.S.A. |
| Toyo Glass | Japan |
| United Oriental Glass | Taiwan |
| Verreries du Courval | France |
| Vertex | Czech Rep. |
| Vetrerie Riunite SpA | Italy |
| Vetrotex (St. Gobain) | France |
| Videocon Narmada | India |
| Vitrocrisa SA de CV | Mexico |
| Warta Huta Skzla | Poland |
| Woltz | Germany |
| Yamamura Glass Works | Japan |
| Zorya (St. Gobain) | Ukraine |