| Armstrong Glass Company | |
| Bullseye Glass | |
| Chicago Art Glass | |
| DichroMagic Dichroic Glass | |
| Glass Factory Directory (North America) | |
| Kokomo Opalescent Glass | |
| Lamberts Glassworks | |
| Pax Marketing Concepts (Thornhill, Ontario, Canada) | faceted glass jewels |
| Pilkington | |
| Tatra Glass (UK) | |
| Zentrum Glass (USA) |