James M. Tidwell

Daniel Industries, Inc. provides fiscal flow and energy measurement products, systems and services. The company is headquartered in St. Louis, MO.

Pioneer Energy Services LLC. engages in the provision of land-based drilling services and production services to oil and gas exploration and production companies. It operates through Drilling and Production Services segments. The Drilling Services segment offers drilling rig, crews, supplies, and most of the ancillary equipment needed to operate drilling rigs. The Production Services segment offers well servicing,wireline and coiled tubing services to producers primarily in Texas and the Mid-Continent and Rocky Mountain regions, as well as in North Dakota, Louisiana and Mississippi. The company was founded in 1968 and is headquartered in San Antonio, TX.

Stewart & Stevenson Services, Inc. is a manufacturer and marketer of specialized equipment and provider of aftermarket parts and service to the oil and gas and other industries. The company's product offerings include equipment for well stimulation, well workover and service, drilling, coiled tubing, cementing, nitrogen pumping, power generation and electrical systems as well as engines, transmissions and material handling equipment. Stewart & Stevenson was founded in 1902 and is headquartered in Houston, TX.

T-3 Energy Services, Inc. designs, manufactures, and repairs custom-machined well control performance parts and components for oil and gas industry installations. Its products include valves, chokes, actuators, blow out preventers, manifolds, and wellhead equipment. The company was founded in 1989 and is headquartered in Houston, TX.

Hydril Co. designs, manufactures, and markets connections for oil and gas drilling and production activities. The company was founded in 1933, and is headquartered in Houston, TX.

WEDGE Group Inc (WEDGE Group) is a private equity firm founded in 1970 by Issam M. Fares. The firm is headquartered in Houston, Texas.

National Multiple Sclerosis Society is a not-for-profit organization that provides advocacy, fund raising, clinical services, client programs and up-to-date information to individuals with multiple sclerosis, their families and healthcare providers. The company was founded in 1946 by Sylvia Lawry and is headquartered in New York, NY.