Anne-Marie Ainsworth

Seventy Seven Energy, Inc. engages in the provision of upstream services, including drilling, pressure pumping, trucking, oilfield rental tools, rig relocation, and water transport and disposal. It operates through the following segments: Drilling, Hydraulic Fracturing, and Oilfield Rentals. The Drilling segment, through the Nomac Drilling, L.L.C., provides land drilling services for oil and natural gas exploration and production activities. The Hydraulic Fracturing segment, through the Performance Technologies, L.L.C., offers high-pressure hydraulic fracturing services and other well stimulation services. The Oilfield Rentals segment, through the Great Plains Oilfield Rental, L.L.C., supplies premium rental tools and specialized services for land-based oil and natural gas drilling, completion, and work over activities. The company was founded on September 9, 2011 and is headquartered in Oklahoma City, OK.

Motiva Enterprises LLC operates a refinery and distributes and markets fuel products. It refine and market gasoline and other petroleum products under the Shell brand across the country. The company was founded in 1998 and is headquartered in Houston, TX.

HollyFrontier Corp. is an independent petroleum refiner and marketer. It specializes in gasoline, diesel fuel, jet fuel, and modified asphalt. The firm operates through the following segments: Refining, Lubricants and Specialty Products, and Holly Energy Partners LP (HEP). The Refining segment includes the operations in its El Dorado, Tulsa, Navajo, Cheyenne, and Woods Cross Refineries. The Lubricants and Specialty Products segment offers base oil production activities, by-product sales to third parties, and intra-segment base oil sales, which includes the purchase of base oils and the blending, packaging, marketing and distribution, and sales of finished lubricants and specialty products to third parties. The HEP segment relates to all of the operations of HEP. The company was founded in 1947 and is headquartered in Dallas, TX.

Shell Deer Park Refining Co. is a joint venture company that manufactures oil refineries. The company is based in Deer Park, TX.