Any industrial/commercial/government/military entity worldwide utilizing electrical and electronic equipment and susceptible to lightning and surge damage. Examples include:
AC Power
Aerospace
Airports
Aviation
Broadcasting
Communications
DC Power
DC Rail
Electronics
EMP
Gas Tube Applications
Goverment
Grounding Gas Tubes
Microwave
Military
Petroleum
Railroad
Signal Com.
Radar
Solar
Spark Gaps
Telephone
Central Office
Transmitters
(4-20)
Water Treatment
Wind Turbine