David Sparkman

Oilfield Management Services LLC is a diversified oilfield service company. It provides horizontal drilling and well stimulation services primarily in the onshore unconventional tight sands and shale oil and natural gas. The company operates through two segments: Completion & Production Services and Horizontal & Directional Drilling Services. The Completion & Production Services segment provides pressure pumping and pressure control services. The Horizontal & Directional Drilling Services segment is designed to drill unconventional wells. The company was founded on September 29, 2005 and is headquartered in Oklahoma City, OK.

Strateline Industries LLC manufactures non-woven products. The private company is based in Rogers, AR.

Thrifty Rent-A-Car System, Inc. provides commercial car rental services. It offers a selection of rental vehicles ranging from economy, compact, mid-size & standard cars. The company was founded in 1958 and is headquartered in Tulsa, OK.

Thompson Pipe & Steel Co. manufactures water transmission pipe. The company is headquartered in the United States.

HealthHealthAllies, Inc. provides consumer-driven healthcare programs. The company was founded in July 1999 and is headquartered in Eden Prairie, MN.

Archer Well Co., Inc. provides drilling and engineering services for oil wells. Its products and services include oiltools, land drilling, directional drilling, frac valves, platform drilling, pressure pumping, pressure control, rental services, survey and inspection, engineering, international wire line and wire line North America. The company was founded in 2011 and is headquartered in Houston, TX.