David Williams

Wynnchurch Capital LLC (Wynnchurch Capital) is a private equity firm founded in 1999 by John A. Hatherly. The firm is headquartered in Rosemont, Illinois.

Specialty Equipment Market Association, Inc. manufactures, distributes, retails auto parts and accessories. The firm sells copiers, printers, software, hardware, mailing systems and display monitors. The company was founded in 1993 and is headquartered in Diamond Bar, CA.

Henniges Automotive, Inc. designs and manufactures sealing, glass encapsulation, and modular systems. It provides vehicle sealing and anti-vibration solutions. The firm's operations include product design, tooling, mixing, extrusion, finishing, and logistics services. The company was founded in 2007 and is headquartered in Farmington Hills, MI.

BBI Power Corp. specializes in the development of power generation, water supply, and wastewater treatment projects. The private company is based in Stevensville, MD and has subsidiaries in the United States.

Catalyst Equity Partners LLC provides financial, strategic, and operational services. The company is headquartered in Grayslake, IL.

Webex, Inc. provided precision rolls to customers within the web handling and converting industries. The firm's products include heating rolls, carbon composite rolls, chill rolls, anvil rolls, nip rolls, coating rolls, vacuum rolls and belts, dancer rolls, air-removal rolls, spreader rolls, printing cylinders, dead and live shaft idler rolls, and embossing roll. The company was founded in 1972 and was headquartered in Neenah, WI.

Calyx Transportation Group, Inc. provides transportation and logistics services. It offers domestic, international air and ocean freight forwarding, dedicated and closed loop, specialized less-than-load and truckload transportation, warehousing, and third party logistics. The company was founded by Richard Muir and Robert J. Donaghey and is headquartered in Brampton, Canada.

Coker Tire Co. specializes in providing diamond tires for antique cars and trucks in both white and black colors. The company is based in Chattanooga, TN and has subsidiaries in the United States. The company's tires are available in the 36x4 size and come with authentic markings and profiles that are perfect for restored antique vehicles. Additionally, they offer Royal Tires for classic cars. The company was founded in 1958 and is currently led by CEO Wade Kawasaki.

Groupe Pro-Fab, Inc. manufactures and distributes modular homes. Its house models include contemporary, traditional, cottage and resort, and country homes. The company was founded in 1989 and is headquartered in Saint-Apollinaire, Canada.

Coker Tire Co, Inc. manufactures and distributes tires and wheels. It offers tubes, accessories, motorcycles, and bike. The company was founded by Harold Coker in 1958 and is headquartered in Chattanooga, TN.

Part of Wynnchurch Capital LLC, Wynnchurch Capital, L.P. operates as a private equity investment firm. The company is based in Rosemont, IL. The company was founded in 1999 by John A. Hatherly. John A. Hatherly has been the CEO since 1999.