JB Radiator Specialties
Manufactures engine radiators, charge air coolers, hydraulic coolers, transmission coolers and aftercoolers for motorhomes, trucks, generators, off-highway equipment and compressors.
http://www.jbradspec.com/

Air & Vacuum Process, Inc.
compressed air dryers, desiccants, filters, accessories for compressed air and gas systems
http://www.airvacuumprocess.com/