| Year | Company | Country | Glass |
|---|---|---|---|
| 1995 | PPG Industries | U.S.A. | 'C' & 'E ' Glass |
| 1994 | Gulfiber | Sweden | 'E' Glass |
| 1988 | Glasuld | Denmark | 'C' Glass |
| 1988 | GAF | Russia | 'C' Glass |
| 1993/5/8 | OCF-Edmonton & Toronto | Canada | 'E' Glass |
| 1995/7 | Knauf-Wrexham | U.K. | 'C' & 'E ' Glass |
| 1995/7/9 | Knauf-Thermolan | Belgium | 'C' & 'E ' Glass |
| 1996 | Ahlstrom | Finland | 'E' Glass |
| 1996/9 | OCF- Delmar, Fairburn & Newark | U.S.A. | 'C' & 'E ' Glass |
| 1996/9 | OCF- Santa Clara & Waxahachie | U.S.A. | 'C' & 'E ' Glass |
| 1996/9 | OCF- Mount Vernon | U.S.A. | 'Miraflex' |
| 2000/1/2 | OCF- Mount Vernon | U.S.A. | 'Miraflex' |
| 1998 | Hyotek Industries | Taiwan | 'E' Glass |
| 1998 | Nippon Glass Fiber | Japan | 'E' Glass |
| 1999 | Nippon Muki | Japan | 'E' Glass |
| 2000 | Johns Manville Corp. | U.S.A. | 'E' Glass |
| 2000 | Hyotek | Taiwan | 'E' Glass |
| 2000/1 | CertainTeed | U.S.A. | 'C' Glass |
| 2001 | Novaterm | Slovenia | 'E' Glass |
| 2001 | Johns Manville Corp. | U.S.A. | 'C' & 'E ' Glass |
| 2001 | Fiberex | Canada | 'ECR' Glass |
| 2001 | Chang Chun Plastics | Taiwan | 'E' Glass |
| 2001 | MVL | Iran | 'C' Glass |
| 2001 | Taian | China | 'E' Glass |
| 2001 | Evanite Fiber Corp | U.S.A. | 'C' Glass |
| 2002 | OCF- Fairburn | U.S.A. | 'E' Glass |
| 2002 | PPG Fiberglass | U.S.A. | 'E' Glass |
| 2002 | Binani Fibre (Goa Glass) | India | 'E' Glass |
| 2002 | Ottowa Fiber | U.S.A. | 'C' Glass |
| 2002 | Sisecam (Cam Elyaf Sanayii) | Turkey | 'E' Glass |
| 2002 | Fibertech | Saudi Arabia | 'E' Glass |
| 2002 | Taian | China | 'E' Glass |