AAON vs GIL Comparison

AAON Inc is a manufacturer of air-conditioning and heating equipment. The products include rooftop units, chillers, packaged outdoor mechanical rooms, air-handling units, makeup air units, energy-recovery units, condensing units, geothermal heat pumps, and self-contained units and coils. The company operates through three segments: AAON Oklahoma, AAON Coil Products, and BASX. It generates the majority of its revenue from the AAON Oklahoma segment which derives maximum revenue, engineers, manufactures, and sells, semi-custom, and custom HVAC systems, designs and manufactures control solutions, and sells retail parts to customers through retail part stores and online.

Gildan is a vertically integrated designer and manufacturer of basic apparel, including T-shirts, underwear, socks, and hosiery. It is a leader in blank T-shirts, sweatshirts, and other apparel to wholesalers, major clothing brands, and printers (printwear). Gildan also sells branded clothing through retail and direct-to-consumer channels, a business that has been greatly enhanced by the Hanesbrands acquisition. Gildan's brands include Hanes, Bali, Maidenform, Playtex, Gildan, American Apparel, Comfort Colors, and Goldtoe. Gildan produces most of its clothing at factories in Latin America but has been ramping up production at its new facility in Bangladesh. Incorporated in 1984, the Montreal-based company operates internationally but generated 90% of its sales in the US in 2025.