Matthew Wilks

VERTEX Solutions, Inc. provided learning-services consulting services The company was headquartered in Falls Church, VA.

Approach Resources, Inc. engages in the exploration, development, production, and acquisition of oil and gas properties. It focuses on oil and natural gas reserves in oil shale and tight sands located in the Permian Basin in West Texas. It holds interests in the East Texas Basin and the Chama Basin in Northern New Mexico. The firm operates in one business segment, the exploration and production of oil, NGLs and natural gas. The company was founded by J. Ross Craft in September 2002 and is headquartered in Fort Worth, TX.

Wilks Masonry Corp. operates as masonry contractors. The company was founded in 1995 and is headquartered in Fort Worth, TX.

FTS International, Inc. engages in the provision of oil and natural gas well completion services. Its services include pressure pumping, wire line and perforating, reservoir optimization, and equipment manufacturing. The company was founded in 2002 and is headquartered in Fort Worth, TX.

Wilks Brothers LLC is a private multifaceted, family-based partnership headquartered in Cisco, Texas. The firm provides investment advice to individual and institutional clients.

ProFrac Services LLC engages in the manufacture and distribution of pressure pumping equipment. The company was founded in May 2016 and is headquartered in Willow Park, TX.

U.S. Well Services Holdings LLC engages in the provision of high-pressure and hydraulic fracturing services in oil and natural gas basins. Its FRAC technology delivers electric, mobile well stimulation systems powered by locally supplied natural gas including field gas sourced directly from the wellhead. It also offers PowerPath, OPTI-FLEX, WhisperFrac, F3 FUEL, AIM, and Clean Fleet technologies. The company was founded in 2012 and is headquartered in Willow Park, TX.