Sound & lighting equipment manufacturers
Good resource - "Bringing backstage online"
Data sheets for many products, including Tecpro headsets
DMX control, including cheap USB/DMX interface, ethernet etc
North American entertainment technology trade association
Hardware for lighting, make your own fixtures etc
Manages radio spectrum and frequency licensing for entertainment use
Good range of LED lighting, several DMX controllers
US supplier with extensive online catalog and a lighting guide
Professional Lighting and Sound Association
Including LEDJ range of LED fixtures
Radio modules for data transmission, remote control etc
Sound, light and hardware shop, including trussing and staging
resources for event production: venues equipment hire etc.
UK hire company, on line sales shop (gel, tape, gobos etc)