Royce Industrial Compressor provides Industrial hermetic, semi-hermetic, open drive compressors and compressor units from 1 to 150 h.p.

Spectronics Corporation is a manufacturer of fluorescent leak detection products and system additives for air conditioning and refrigeration systems. Their fluorescent dyes are OEM-approved, universal (POE), co-solvent free and NSF certified.

Vicon is a globally renowned company in the field of plasma cutting machines, coil lines, and HVAC ductwork machinery. Every Vicon plasma cutting table and machine shipped by Plasma Automation and Vicon Machinery is backed by professionals with over 40 years in the machine tool industry. They also manufacture coil line systems, roll forming equipment, seam closers, duct brakes, and other HVAC machinery.

WDF Inc. (founded in 1929) is one of the plumbing, HVAC contracting and specialty general contracting companies. They have joined with Five Star Electric Corporation and Nagelbush Mechanical to form GreenStar Services Corporation as a diversified full service construction company.