William Stacy Locke

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.

Andeavor engages in the refining and marketing of petroleum products. It operates through the following segments: Refining, Logistics, and Marketing. The Refining segment buys and refines crude oil and other feed stocks into transportation fuels, such as gasoline and gasoline blend stocks, jet fuel and diesel fuel, as well as other products, including heavy fuel oils, liquefied petroleum gas and petroleum coke for sale in bulk markets to a wide variety of customers within Andeavor's markets. The logistics segment includes crude oil and natural gas gathering assets, natural gas and natural gas liquid processing assets, and crude oil and refined products terminalling, transportation and storage assets acquired from Andeavor and third parties. The Marketing segment sells transportation fuels through branded and unbranded channels. Its brand portfolio includes ARCO, Shell, Exxon, Mobil, USA Gasoline, Rebel, and Tesoro. The company was founded by West V. Robert, Jr. in 1964 and is headquartered in San Antonio, TX.

Pioneer Well Services LLC is a company that engages in drilling oil and gas wells. The company is based in San Antonio, TX. The CEO of the company is William Stacy Locke. Pioneer Well Services was acquired by Argonaut Private Equity LLC from Pioneer Natural Resources Co. on March 22, 2021.

Omni Water Solutions, Inc. provides automated mobile water systems for water treatment and re-use. Its Octozone automation technology platform self-analyzes virtually any water source and configures the treatment regimen to deliver a reliable water source utilizing only the energy and processes necessary to eliminate contaminants. The company was founded by Wayne Wolfe in 2010 and is headquartered in Austin, TX.

Good Samaritan Community Services operates as a catalyst for change, supporting youth, individuals and families by providing excellent community services to overcome economic poverty. The company was founded in 1951 and is headquartered in San Antonio, TX.

Any Baby Can of San Antonio, Inc. engages in the provision of Medicaid case management for the children and pregnant women program. It offers case management, counseling, sibling support, autism services, educational materials, health and wellness, center for infant and child loss, and prescription assistance. The company was founded by Marian Sokol in1982 and is headquartered in San Antonio, TX.