Plumbing, Heating, and Air?Conditioning Contractors

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel

Power Boiler and Heat Exchanger Manufacturing

Other Metal Valve and Pipe Fitting Manufacturing

Heating Equipment (except Warm Air Furnaces) Manufacturing

Automatic Environmental Control Manufacturing for Residential, Commercial and Appliance Use

Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables

Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers

Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance

Code	Description	Primary
238220	Plumbing, Heating, and Air?Conditioning Contractors
238290	Other Building Equipment Contractors
331210	Iron and Steel Pipe and Tube Manufacturing from Purchased Steel

CLEAVER-BROOKS SALES AND SERVICE, INC.

NAICS Codes