Solatube Intl. Inc.
Starfire Lighting Inc.
Lazarus Lighting Design Inc.
GAMproducts Inc.
LSI Industries Inc.
Philips Lighting Co.
Elux
Prudential Lighting
TIR Systems Ltd.
Electronic Theatre Controls (ETC)
RSA Lighting
Ruud Lighting
EIKO Ltd.
Bulbrite Industries Inc.
Osram Sylvania
Venture Lighting Intl.
Contrast Lighting ML Inc.
2thousand degrees Inc.
Bruck Lighting Systems
Ultratec Fibre Optic Co.