Lennox International
 Lennox International Inc. (NYSE: LII) is an American company. Through its subsidiaries it is a provider of climate control products for the heating ventilation air conditioning and refrigeration markets around the world. The company was founded in 1895 by Dave Lennox and today is focused on four core businesses: Residential Heating and Cooling Commercial Heating and Cooling Service Experts and Refrigeration. The company headquarters are in Richardson Texas near Dallas.