ASHRAE - The American Society of Heating, Refrigerating and Air-Conditioning Engineers advances technology to serve humanity and promote a sustainable world. Membership is open to any person associated with the field.
	SMACNA - SMACNA members perform work in industrial, commercial, institutional and residential markets. They specialize in heating, ventilating and air conditioning; architectural sheet metal; industrial sheet metal; kitchen equipment; specialty stainless steel work; manufacturing; siding and decking; testing and balancing; service; and energy management and maintenance.
	FHRA - When you purchase something labeled Bell & Gossett, Hoffman Specialty, Domestic Pump or McDonnell & Miller, you’re expecting a lot more than just a product. Only by working with the Fluid Handling Representative Association (FHRA) will you get unsurpassed engineering knowledge, critical inventory backup, and consistently excellent customer service.