Flowtech Corporation

Purity Cylinder Gases, incorporated in 1938, is a charter member of the National Welding Supply Association. The company is also a member of American Welding Society, various chambers of commerce and credit groups. In 1980, Purity Cylinder Gases purchased Airway Oxygen, a supplier of home medical equipment in Michigan. Purity Cylinder Gases also began manufacturing acetylene in Grand Rapids, Mich., and serves western Michigan and northern Indiana. The company supplies gas requirements, hardgoods, industrial gases, high-volume gases, and bulk gases. It also offers an extensive line of safety items, and a variety of rental equipment. Purity Cylinder Gases provides specialty gases, and automation equipment, including cutting machines and robotics. Purity Cylinder Gases is located in Wyoming, Mich.

Founded in 1993, Hydraulic Systems Division, also known as HSD, is one of the leading companies that provides integrated hydraulic systems in the United States. The company services the aerospace and derivative markets. It manufactures hydro-mechanical and electro-mechanical subsystems and components. Hydraulic Systems Division has designed and certified more than five civil aircraft hydraulic systems for business and regional jets. The company also produces hydraulic axial piston pumps and motors, power transfer and supply units, electro hydraulic power modules, and thrust-reverser and landing gear actuators. It also provides electrohydrostatic and electromechanical actuation power modules, hydraulic, accumulators, reservoirs, filter modules and valve packs. Hydraulic Systems Division maintains a more than 170,000 square-foot facility. Located in Kalamazoo, Mich., the company is a part of Parker Hannifin Corporation.

Caron Precision is a cylindrical grinding specialist, offering services to various manufacturing industries throughout the United States. The company offers low- and high-volume production and prototype grinding on automotive parts, such as solid valve lifters, transmission parts and drive train components. Its services for the aerospace and defense parts market include housings, rotational valves, flight control hydraulics, hydraulic pump components, various linkage parts, and line coupling components. The firm provides Valve Stops, Pistons, Control Valves, and Electrical Stators to the diesel fuel systems industry. It operates a more than 18,000-square-feet facility, and is ISO 9001-2000 certified. Caron Precision is headquartered in Kalamazoo, Mich.