|#||Primary?||Code||NAICS Code's Description||"Buy Green"? (1)||Small? (2)|
|1||Yes||333413||Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing||Yes|
|2||238220||Plumbing, Heating, and Air-Conditioning Contractors||Yes|
|3||333414||Heating Equipment (except Warm Air Furnaces) Manufacturing||Yes|
|4||333912||Air and Gas Compressor Manufacturing||Yes|
|5||423730||Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers||Yes|
(1) By entering Yes for "Buy Green", the firm asserts that it obeys EPA guidelines for environmental friendliness for this NAICS code. Note, EPA guidelines do not exist for every NAICS
(2) If Yes, the firm's revenues/number of employees do not exceed the NAICS code's small business size standard.