Wauseon Machine, Inc. (WM) started as a small contract machine shop in 1983. Currently, they offer those same services in Plant 1, where it specializes in build-to-print tooling, prototypes, and precision machining.

Waxman is a globally renowned company in the design, development, and distribution of innovative surface protection and floor care products, other home improvement and hardware products, including faucets and showers; plumbing products and accessories; and home organization and storage solutions.

Winsupply Inc. is a supplier of residential and commercial construction and industrial supplies and equipment headquartered in Dayton, Ohio. They conduct business-to-business wholesale distribution of supplies and equipment in plumbing and heating; hydronics; pipe, valves and fittings; HVAC and refrigeration;

Wolfe Innovations prides itself in being the best overall in HVAC customer service, low competitive prices, and trustworthiness.

Zimmer's Heating & Cooling business has expanded to include residential, retail, and commercial heating and cooling.