ADVANCED TESTING SERVICES

Plumbing, Heating, and Air-Conditioning Contractors

Establishments in this category are primarly engaged in installing and servicing plumbing, heating, and air-conditioning equipment. Contractors in this industry may provide both parts and labor when performing work. The work performed may include new work, additions, alterations, maintenance, and repairs.

Illustrative Examples:

Cooling tower installation
Heating, ventilation, and air-conditioning (HVAC) contractors
Duct work (e.g., cooling, dust collection, exhaust, heating, ventilation) installation
Lawn sprinkler system installation
Fire sprinkler system installation
Mechanical contractors
Fireplace, natural gas, installation
Refrigeration system (e.g., commercial, industrial, scientific) installation
Furnace installation
Sewer hookup and connection, building

Plastics Plumbing Fixture Manufacturing

This includes establishments primarily engaged in manufacturing plastics or fiberglass plumbing fixtures. Examples of products made by these establishments are plastics or fiberglass bathtubs, hot tubs, portable toilets, and shower stalls.

Plumbing Fixture Fitting and Trim Manufacturing

This includes establishments primarily engaged in manufacturing plumbing fixture fittings and trim of all materials, such as faucets, flush valves, and shower heads.