Hans Helmerich

Cimarex Energy Co. is an independent oil and gas exploration and production company. Its activities include drilling, completing and operating wells. It operates through the following areas: Permian Basin, Mid-Continent, and Others in Oklahoma, Texas and New Mexico. The company was founded by F. H. Merelli in February 2002 and is headquartered in Denver, CO.

Atwood Oceanics, Inc. was a global offshore drilling contractor, which was engaged in the drilling and completion of exploratory and developmental oil and gas wells. It was own mobile offshore drilling units and is constructing drill-ships, and jack-ups. The company was headquartered in Houston, TX.

Helmerich & Payne International Drilling Co. drills oil and gas wells. It operates as a contract drilling company, owns land rigs, platform rigs located in the Gulf of Mexico and other International rigs. The company was founded in 1967 and is headquartered in Tulsa, OK.

The Northwestern Mutual Life Insurance Co. provides insurance and financial security solutions. The firm offers life insurance, long-term care insurance, disability insurance, annuities, and investment products. It also provides financial planning strategies and solutions. The company was founded by John C. Johnston on March 2, 1857 and is headquartered in Milwaukee, WI.

Omega Capital Management LLC (Omega Capital Management) is a private equity firm subsidiary of Jason S. Martin Revocable Trust founded in 2013 by Jason S. Martin. The firm is headquarter in Tulsa, Oklahoma.