Apex Energy Services LLC

Established in 1963, PWI Inc. specializes in the manufacture of lighting systems, coil winding and contract manufacturing services. Located in Wichita, Kan., the firm serves a wide range of industries, including the aircraft, agricultural, automotive, motorcycle and military sectors. In 1972, PWI Inc. pioneered in the production of cold cathode fluorescent lighting systems for aircrafts. The company designs, engineers and manufactures all types of electrical windings, such as transformers, inductors, magnetometers and tape-wound magnetic cores. Some of its clients include Boeing, Cessna Aircraft, Hawker/Beechcraft, Aeroflex, Gulfstream and Camplex.

McDaniel Co Inc provides fire sprinkler installations and repair, inspections and testing, backflow preventers, and system designs to the Wichita, KS area

Since 1918, Shelley Electric Inc. has been providing commercial and industrial electrical construction for whole residential areas, industrial giants and city infrastructures in Wichita. The company s completed projects include Hyatt Hotel, NationsBank, Century II Expo Hall, Epic Center, Orpheum Theatre and Biochemistry Building at Kansas State University. It has been a member of the National Electrical Contractors Association for more than 75 years. Shelley Electric Inc. s major clients include Eby Construction, Professional Engineering Company Cessna Aircraft Company, The Law Company, Metric Constructors Inc., Mortenson Construction, Insurance Management Associates and Water and Sewer Department. The company is located in Wichita, Kan.