Located in St. Louis, Missori, U.S.A., Ductformer Inc. is a manufacturer of machinery for the Duct Fabrication Industry. They manufacture sheet metal and duct fabrication machinery including rollformers for duct flanges, slip and drive cleats, Pittsburgh, and snaplock seams.

Hussmann manufactures and sells refrigerated display cases, refrigeration systems, self-contained display cases, specialty display cases and aftermarket parts. It also provides installation and service.

Marlo Heat Transfer Solutions provides heating and cooling coils, custom fabricated coils, air handling units, refrigeration systems, coolers and condensers for industrial, commercial, navy and maritime HVAC/R systems. The industrial heat transfer products are manufactured from quality materials typically in heavier grades and thicknesses. This ensures dependable performance and years of service, even in the most demanding conditions.

Nu-Calgon markets and distributes a complete line of specialty chemical products for the HVACR aftermarket. They provide water treatment, sealants, specialty and service chemicals, coil cleaners, system flush solvents, refrigeration oil, vacuum pump oil, ice machine treatment, indoor air quality.