C. Stewart

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.

C&J OldCo, Inc. engages in the provision of hydraulic fracturing, coiled tubing and wireline and other complementary services. It operates through the following segments: Stimulation and Well Intervention Services, Wireline Services and Equipment Manufacturing. The Stimulation and Well Intervention Services segment provides hydraulic fracturing and coiled tubing, stimulation services, and directional drilling services. The Wireline Services segment offers cased-hole wireline and other complementary services, including logging, perforating, pipe recovery, pressure testing, and pump down services. The Equipment Manufacturing segment manufactures, refurbishes and repairs equipment and provides oilfield parts and supplies for third-party customers in the energy services industry. The company was founded by Joshua E. Comstock in 1997 and is headquartered in Houston, TX.

Metropolitan Transit Authority of Harris County, Texas provides metro rail transit systems. It operates bus, light rail, future commuter rail, and METROLift (paratransit) services. The company was founded in 1978 and is headquartered in Houston, TX.

Stewart & Stevenson LLC designs, manufactures and markets oil and gas equipment. It offers products and services to a variety of industries such as agriculture, construction and industrial, marine, material handling, military and government, mining, oil and gas, on-highway and transportation, power generation, and rail. The company was founded in 1902 and is headquartered in Houston, TX.

Spring Branch Education Foundation provides dollars to support students and educators. The company was founded in 1993 and is headquartered in Houston, TX.

Surefire Industries USA LLC manufactures and distributes hydraulic fracturing and fluid pumping equipment. The company is based in Houston, TX.

C&J Energy Services, Inc. engages in the provision of on-shore well construction, well completions, and well services to the oil and gas industry. It also offers manufacturing, research, and technology services to oil and gas production companies. It operates through the following segments: Completion Services, and Well Support Services. The Completion Service segment engages in hydraulic fracturing and cased-hole wireline and pump down services. The Well Support Services segment focuses on post-completion activities at the well site, and includes rig services, including workover, plugging and abandonment, fluids management, coiled tubing, artificial lift applications, and other specialized well site services. The company was founded by Joshua E. Comstock in 1997 and is headquartered in Houston, TX.