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.