• Grand Entrance Gates, Ltd.

• Hastings HVAC, Inc.

• Heat Controller, Inc.

• Heatcraft Commercial Products

• Heatrex Inc.

• Heil Heating & Cooling Products

• INDEECO

• Industrial Acoustics Co.

• International Comfort Product

• International Environmental Corp.

• Jonathan Nehmer + Associates, Inc.

• KEES INC.

• Kathabar

• King Co.

• Krack Corp.

• Kraftmaid Cabinetry

• L.J. Wing Company

• Last Straw LLC

• LeDonne Manufacturing Corporation

• Magic Aire

• Mammoth, Inc.

• Marcraft Corporation

• Marlo

• Marlo, Inc.

• McQuay International

• Mike Green Fire Equipment Co.