Mega Volt - Tesla Coil rentals for live shows. - http://www.mgvolt.com/
Resonance Research - Manufacturer of Tesla Coil systems and other HV exhibits. - http://www.resonanceresearch.com/
Electrotherapy Museum - Victorian era Tesla Coil reproductions, also parts and sub assemblies. - http://www.electrotherapymuseum.com/
D and M High Voltage - Tesla coil components, sub assemblies and complete units. - http://home.netcom.com/~davmckin/DMsIndex.htm
Legion Electronics - Complete Tesla Coil systems, sub assemblies and components. - http://www.legion-elec.demon.co.uk/
Pro Tesla Coilers Web Directory - Directory of commercial suppliers of Tesla Coils and related services. - http://hot-streamer.com/TeslaCoils/Pros/TeslaCoils.htm
Tesla Systems Research - Tesla coil components, sub assemblies and complete units. - http://www.teslasystems.com/
Tesla Technology Research - Components for sale, component assemblies, individual parts, and consulting assistance. - http://www.ttr.com/