Air Cleaning Blowers LLC is a renowned manufacturer of air cleaning blowers that move and clean air without filter media to clog or maintain. The company's products ensure constant airflow, air pressure, and efficient energy consumption in dusty industrial and military environments.

ECR International, Inc. is a manufacturing company in the USA that is part of BDR Thermea, a Dutch heating products group with its global headquarters in Apeldoorn, the Netherlands. ECR provides heating and cooling products under a family of brand names in North America.

Hi-Tech Blowers, Inc. is a manufacturer of blower wheels and fan blades, used in such diverse applications as HVAC, cooling and refrigeration, electronics, air curtains, and automotive, industrial, and medical equipment. They also manufacture strip, tablock and crossflow blower wheels and housings; fan blades.