Allan Edwards Inc

Stresscon is a company that offers a range of posttension materials to builders and contractors. It specializes in engineering design and drafting services. The company also provides tensioning and installation solutions. Stresscon offers residential and commercial concrete construction, cutting and repair services. It ensures compliance with the guidelines of the Post Tensioning Institute. The company has anchors, steel wedges, and plastic chairs and formers. Stresscon performs operations in Oklahoma, Kansas, western Arkansas and northern Texas. Its clients include Chesapeake Building Company and Simmons Homes. The company is a member of the National Society of Professional Engineers and the American Society of Civil Engineers.

Based in Tulsa, Okla., Magellan Midstream Holdings is a publicly traded master limited partnership that owns and controls distribution rights of Magellan Midstream Partners. Magellan Midstream Partners is a publicly traded master limited partnership, which owns, operates and acquires a diversified portfolio of energy assets. Magellan Midstream Partners transports, stores and distributes refined petroleum products. Its assets include a more than 8,500 mile refined petroleum products pipeline system, including over 40 terminals, nearly five marine terminal facilities, approximately 25 inland terminals and an ammonia pipeline system. The company s petroleum products system is a common carrier pipeline that provides refined petroleum products and liquefied petroleum gases in more than 10 Midwestern states, including Colorado, North Dakota, Texas and Wisconsin. Magellan Midstream Holdings also owns and controls Magellan GP, the general partner of Magellan Midstream Partners.