Based in Ohio, Transducers Direct is one of the fastest growing manufacturers of pressure transducers, pressure sensors, and industrial components. The company was founded in 1999 by pressure sensor business insiders who saw an unserved need in the industry; for customers to have a higher quality product and greater technical customer service.

The services of Vaughn Industries have grown into the industrial/commercial sectors, including electrical, mechanical (HVAC and Pipefitting), plumbing, and high voltage substation, high voltage transmission and distribution construction. They provide High Voltage Transmission and Distribution, High Voltage Sub Station, Commercial/Industrial Mechanical/HVAC, Commercial/Industrial Electrical, Renewable Energies, and Preventative Maintenance.

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.