Controlled Air Design

 Controlled Air Design  (NC)

 IEDCO - Industrial Equipment & Design Company (NJ)

 Dynamic Air Inc. (MN)

 VAC-U-MAX (NJ)

 Spiroflow Systems, Inc. (NC)

 Whirl-Air-Flow Corporation (MN)

 CAMCORP (KS)

 Frain Industries, Inc. (IL)

 Mollers North America Inc (MI)

 Fast-Vac™ (WI)

 Carrier Vibrating Equipment, Inc. (KY)

 Christianson Systems, Inc. (MN)

 Precision Airconvey Corp. (DE)