- American Laminators
- Ankmar
- Atc Panels
- Blatt & Del Ciello
- Blatt & Myers Inc
- Borinquen Insulation
- Duraflake Co
- Funder America Inc
- Georgia-Pacific Corp
- Georgia-Pacific Corp
- Georgia-Pacific Corp/Particle
- Homasote Co
- Indian Country Blue Stone
- Integrated Composite Tech
- J M Huber Corp
- Louisiana-Pacific Corp
- Louisiana-Pacific Corp
- Louisiana-Pacific Corp
- Lousiana Particle Board
- Martco Partnership
- Masonite Corp
- Masonite Corp
- Masonite Environmental Dept
- Masonite International Corp
- Norbord Minnesota
- Pacific Firs
- Panolam Industries
- Rodman Industries
- Roseburg Forest Products
- Sierra Pine
- Sierra Pine LTD
- Tectum Inc
- Thermo Pressed Laminates Inc
