• Adventure Lighting
• Altman Company
• Angstrom Stage Lighting Inc.
• CAST Lighting Limited
• Flying Pig Systems
• Lazer Fantasy International
• Lycian Stage Lighting
• Meteor Light & Sound Company
• Precision Projection Systems
• Production Resource Group
• Professional Lighting and Sound Association
• ROSCO
• ROSCO Entertainment Technologies
• Tower Lighting
• United States Institute for Theatre Technology
• Vantage Lighting
• Vari-Light