Griswold - Centrifugal separators and sand filters for recirculating HVAC and industrial water cooling systems
- Website: www.griswoldwatersystems.com

Tranter - Superchanger hi-efficiency plate and frame heat exchangers
Ultramax welded, Supermax shell & plate, Maxchanger welded, Platecoil Prime Surface
- Website: www.tranter.com

Swep - Brazed plate heat exchangers
Heating, industrial, and refrigeration applications
- Website: www.swep.net

Mason Industries - Vibration isolation, floating floor, and seismic restraint
- Website: www.mason-ind.com

Pep Filters – Filtration systems for process and cooling water
- Website: www.pepfilters.com

Pollrich - Pollrich applies substantial expertise to the design of efficient and reliable fans for many industries. Customized fans are state-of-the-art and built in close cooperation with our clients' engineers.
- Website: www.pollrichdlk.com