Mark Kleinman

Sterling Software, Inc. is used to designs, develops, markets, licenses and supports standardized computer software products. The company was headquartered in Dallas, TX.

Pioneer Natural Resources Co. operates as an independent oil and gas exploration and production company. The firm engages in hydrocarbon exploration in the Cline Shale. It focuses on the operation of the Permian Basin, Eagle Ford Shale, Rockies, and West Panhandle projects. The company was founded by Scott Douglas Sheffield on April 2, 1997, and is headquartered in Irving, TX.

Inet Technologies, Inc. has provided communications software products that enable communications carriers to more strategically and profitably operate their businesses. Its products address next-generation networks, included mobile data and voice-over-packet technologies and traditional networks. Its Unified Assurance Solution and Diagnostics products which included the GeoProbe, Orion and Beamer products, communications carriers were able to simultaneously manage their voice and data services at the network, service and customer layers to detect network and service problems in real time, enabling proactive identification of specific customers impacted by network or service issues. These products captured actual signaling network traffic and then process, correlate and analyze the traffic data to create and display customer experience information, service quality metrics and a network-wide view. Inet Technologies was headquartered in Richardson, TX.

Pioneer Southwest Energy Partners LP was a master limited partnership, which owns and acquires oil and gas assets. The company's assets consist of non-operated working interests in producing wells in the Spraberry field in the Permian Basin of West Texas. Its area of operations consisted of onshore Texas and eight counties in the southeast region of New Mexico. Pioneer Southwest Energy Partners was founded in June 2007 and was headquartered in Irving, TX.

Jackson Walker LLP provides legal services. Its practice areas include energy law, government affairs, insurance, health care, labor and employment and intellectual property. The company was founded in 1887 and is headquartered in Dallas, TX.

State Bar of Texas provides legal educational programming services. The private company is based in Austin, TX.

Pioneer Natural Resources Gp LLC engages in the exploration and production of natural gas and liquids. The private company is based in Irving, TX.