JOHN C. DIGERTT, INC.

Steam and Air-Conditioning Supply

Establishments in this category are primarly engaged in providing steam, heated air, or cooled air. The steam distribution may be through mains.

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

Switchgear and Switchboard Apparatus Manufacturing

This includes establishments primarily engaged in manufacturing switchgear and switchboard apparatus.

Illustrative Examples:

Circuit breakers, power, manufacturing
Control panels, electric power distribution, manufacturing
Ducts for electrical switchboard apparatus manufacturing
Fuses, electric, manufacturing
Power switching equipment manufacturing
Switches, electric power (except pushbutton, snap, solenoid, tumbler), manufacturing