Gustave A. Larson Company

Distributor of heating, ventilation and air conditioning (HVAC) equipment intended for dealers and contractors in Chicago, Northwest Indiana and Michigan markets. The company offers a wide range of heating, ventilation and air conditioning (HVAC) equipment along with parts and supplies for residential and commercial uses, thereby enabling clients to meet their electrical equipment needs.

Lennox International manufactures and distributes heating, ventilating, air conditioning, and refrigeration products to replacement (75% of sales) and new construction (25% of sales) markets. In fiscal 2024, residential HVAC was 67% of sales and commercial HVAC and Heatcraft refrigeration was 33% of sales. The company goes to market with multiple brands, but Lennox is the company's flagship HVAC brand. The Texas-based company is focused on North America after the sale of its European HVAC and refrigeration businesses in late 2023.

Distributor of HVAC, plumbing and electrical equipment intended for residential and commercial contractors. The company offers a range of outdoor heat pumps, air conditioning, packaged units, indoor gas furnaces, air components, coils and controllers, thereby offering supplies of various brands to its clients.