- Inside electrical distribution and service (switch gear, panels,controls, fuses, transformers, receptacles, lighting, conductors, overhead buses, and motor control centres)
- Motors, pumps and mechanical (electric motors and generators, pumps, compressors, evaporators, bearings, couplings, gearboxes, gaskets/seals, belts, rollers, and disconnects)
- Process (tanks and vessels, pipes, valves and traps, reactors, and process insulation)
- HVAC/R (air conditioning, heating, air handlers and refrigeration)
- Outside electrical distribution for utilities(transformers, bushings, insulators, transmission lines, other exterior conductors, service connections, disconnects, and capacitor banks)