StagePros.com
Arts, Performing Arts, Theatre, Technical - Stage Pros. Offers services and resources to the technical theatre industry.
http://stagepros.com
Extreme Rigging and Design Limited
Arts, Performing Arts, Theatre, Technical - Extreme Rigging and Design Limited. Based in the Milton Keynes and provides professional audio and visual solutions for conferences, theatrical productions, outdoor events, concerts and everything in-between.
https://www.extremerigging.co.uk/
Theatrecrafts.com
Arts, Performing Arts, Theatre, Technical - Theatre Crafts. Offers practical information and advice about technical theatre techniques.
https://www.theatrecrafts.com/
ControlBooth.com
An online community for students and professionals in Technical Theatre
http://www.controlbooth.com