Companies

• Hartzell Fan

• Hastings HVAC, Inc.

• Heat Controller, Inc.

• Heatlink USA

• Heatrex Inc.

• Heil Heating & Cooling Products

• House of Cedar

• Howden Buffalo

• Howe Corporation

• Hydro Delta Corp.

• Hydro-Air of Minnesota

• INDEECO

• Ice-Cap, Inc.

• Infloor Heating Systems

• Infrared Dynamics

• International Comfort Product

• International Environmental Corp.

• Jendoco Construction Corporation

• KBRCO

• King Co.

• Kitchens By Teipen Inc.

• Koldwave

• Krack Corp.

• L.J. Wing

• L.J. Wing Company

• LSH