BMI Supply - Technical Theatre Supplies and Service Lighting, rigging, audio, scenery, paint, draperies, stage, controls, dimming, fabric, lamps, gel, gobos, patterns, DMX, sACN, Artnet, truss, gaffers, tape, spike, ladder, ellipsoidal, fresnel, LED, L BMI Supply is a leading nationwide supplier and installer of technical theatre equipment. We offer everyday expendables including gel, patterns, lamps, paint, fabric, and more. We also offer lighting, rigging, specials effects, staging, and numerous other types of equipment. Our installation department specializes in lighting and rigging system design, installation, and maintenance.