3563  Air and Gas Compressors

Establishments primarily engaged in manufacturing air and gas compressors
for general industrial use, and in manufacturing nonagricultural spraying
and dusting equipment. Establishments primarily engaged in manufacturing
refrigeration and air-conditioning compressors and compressing units are
classified in industry 3585; those manufacturing pneumatic pumps and motors
for fluid power transmission are classified in industry 3594; those
manufacturing agricultural spraying and dusting equipment are classified in
industry 3523; and those manufacturing laboratory vacuum pumps are
classified in industry 3821.