D & D Design & Manufacturing

Swanda Brothers specializes in jet engine test cells, aviation, industrial, heating, ventilation and air conditioning and stainless steel work. Based in Oklahoma City, Okla., it provides jet engine/aero-engine test cells, hush houses, steel structures, augmenters, turning vanes, acoustical panels and enclosures to its clients from the aviation industry. In addition, the firm offers services, such as acoustical noise control, data protection systems, dust collection, industrial air handling systems, paint booths, skids/platforms and stacks to the industrial markets.

Matherly Sheet Metal is a division of Matherly Mechanical Contractors, an Oklahoma City-based company that specializes in commercial and industrial piping and sheet metal work. The sheet metal division has experience with numerous metal fabricating projects, including commercial and industrial ventilation systems, dust collection systems, tanks and pressure vessels, air abatement systems, acoustical panels, regenerative catalytic and thermal oxidizers, paint spray booths and mist elimination ductwork. The company has specialized expertise in facilities, such as hospitals, industrial plants, and production facilities.

ACP Sheet Metal Company, founded in 1977, is one of the largest and well-established sheet metal fabricators and installers in the Oklahoma City area. The company specializes in the design, fabrication and installation of duct in commercial and industrial settings, as well as any specialized fabrication services. The firm s project managers are certified in the area of air balancing and can provide help in resolving problems with the airflow. The company is an active member of Sheet Metal and Air Conditioning Contractors National Association and the American Society of Heating, Refrigerating & Air Conditioning Engineers. ACP Sheet Metal Company operates through a 21,000-square-foot state-of-the-art manufacturing plant, with more than 28,000-square-foot of laydown area. The facility is certified by the National Environmental Balancing Bureau and by the Testing, Adjusting and Balancing Bureau.