- AFG Industries
- Guardian Industries : Sun-Guard Glass
- Pilkington Libby-Owens-Ford
- PPG Industries
- St.Gobain
- ACH Glass (formerly Ford then Visteon)

- Glasslam NGI, Inc.
- Zircon Corporation
- DuPont Glass Laminating Solutions
- Solutia : Saflex | Vanceva | Solutia Automotive

- General Electric Silicones
- Delchem Inc.
- Edgetech Super-Spacer
- Tru-Seal Technologies

- ANSI, American National Standards Institute
- ASTM, American Society for Testing & Materials
- CPSC, Consumer Product Safety Commission

- AGA, Americas Glass Association
- AIA, American Institute of Architects
- AWI, Architectural Woodwork Institute
- BEMA, Bath Enclosure Manufacturers Association
- CSI, Construction Specification Institute
- GANA, Glass Association of North America
- NASFM, National Association of Store Fixture Manufacturers
- NGA, National Glass Association
- NOMMA, National Ornamental & Miscellaneous Metals Association
- NSA, National Sunroom Association
- SMA, Stairway Manufacturers Association

- Greenwood Chamber of Commerce