David Sparkman

BellSouth LLC operates as a telecommunications holding company. It provides wire line communication services including local exchange, network access, intra local access, and internet services. The firm also offers print and online directory advertising. The company was founded in 1983 and is headquartered in Atlanta, GA.

Texaco, Inc. explores and produces oil and natural gas. It engages in the worldwide exploration, production and marketing of crude oil, natural gas, and petroleum products. The company was founded in 1902 and is headquartered in San Ramon, CA.

Koch Industries, Inc. engages in the manufacture and trade of chemical products. It operates in variety of industries such as polymers and fibers, fertilizers, electronics, automotive components, forest and consumer products, minerals, glass, process and pollution control systems, refining and biofuels, commodity trading, investments, and ranching. The company was founded by Frederick Chase Koch in 1940 and is headquartered in Wichita, KS.

Wexford Capital LP (Wexford) is an independent, SEC-registered investment advisor headquartered in West Palm Beach, Florida with additional office in Stamford, Connecticut. The firm was founded by Charles Davidson, Joseph Jacobs and Robert Holtz in 1994. Wexford provides investment advice to a variety of private pooled investment vehicles over which the firm has discretionary trading authority.

Alcatel-Lucent Holdings, Inc. develops and builds communications networks. It provides equipment, software, and related network services for carriers, service providers, and enterprise customers. The company supplies broadband Internet access products and digital subscriber line (DSL) technology for residential and small business end-users. It is headquartered in Plano, TX.

Part of Baker Hughes Co., OSCA, Inc. is a workforce training and compliance management company. The company is based in Lafayette, LA. OSCA provides streamlined solutions for managing complex training programs and tracking different compliance mandates through their product, OSCASafe. The company was founded in 1979. OSCA was acquired by BJ Services Co. LLC, a subsidiary of Baker Hughes Co. from Great Lakes Chemical Corp. on May 31, 2002 for $416.24 million.

Superior Well Services, Inc. provides wellsite solutions to oil and natural gas companies, primarily technical pumping services and down-hole surveying services. The company was founded in March 2005 and is Headquartered in Indiana, PA.

Tropos Networks, Inc. is providing the most reliable and flexible wireless communications networks for utilities to build and control the smart grid. The company has customers around the world in different countries. Tropos was founded in 2000 and got its start selling its standards-based, secure wireless networks to cities as a foundation for multiple municipal services including public safety, intelligent transportation systems, mobile worker automation, and utilities (water, power, gas). Over the past few years, with the emergence of the smart grid, Tropos discovered the value its solutions could bring towards the development of this mission-critical infrastructure with its field-proven products and services. Tropos' GridCom network architecture for smart grids blends high performance network technologies with unified network management providing utilities with the most economical and completes communications for deploying a wide range of mission-critical applications.

Diamondback Energy Services, Inc. provides oil and natural gas exploration services. Its services include drilling, stimulation and pumping, fluid logistics, well completion, and production. The company's clients include Chesapeake Energy, EOG Resources, and Devon Energy. Diamondback Energy Services was founded in December 2005 and is headquartered in Oklahoma City, OK.

QuEST Forum provides telecommunication services. Its products include QuEST WCX and QuEST suatainability assessor. The company is headquartered in Plano ,TX.

Blue Danube Systems, Inc. designs mobile wireless access solutions. It offers BeamCraft, it generates agile beams for unparalleled accuracy in spectrum power placement; and High Definition Active Antenna Systems, a novel radio platform designed for three-dimensional beamforming. The company was founded by Mihai Banu and Mark R. Pinto in 2013 and is headquartered in Santa Clara, CA.

Viper Energy Partners LLC engages in the exploration of petroleum and gas. The company is headquartered in Midland, TX.

Davis, Tuttle Venture Partners is an independent venture capital firm founded in 1986 by Barry Davis. The firm is headquartered in Tulsa, Oklahoma with an additional office in Houston, Texas.

Sparrows Offshore LLC manufactures oil and gas machinery and equipment. The company was founded on July 11, 2003 and is headquartered in Houston, TX.

Wexford Capital Private Equity (Wexford Capital) is a private equity subsidiary of Wexford Capital LLC founded in 1994 by Charles Davidson and Joseph Jacobs. The firm is headquartered in Greenwich, Connecticut.

M7 Aerospace LLC provides aviation services. It specializes in depot maintenance and offers engineering resources, a repair station and extensive aircraft manufacturing facilities. The company was founded by Ted B. Miller, Jr. on April 15, 2003 and is headquartered in San Antonio, TX.

Oklahoma Equity Partners LLC (Oklahoma Equity Partners) is a private equity/venture capital firm founded in 2003. The firm is headquartered in Oklahoma.

Alliance for Telecommunications Industry Solutions provides technical planning and development services. The private company is based in Washington. The CEO of the American company is Susan M. Miller.

Kosse Partners I LLC provides product lifecycle repair and logistics services for the telecommunication, mobile carrier, and CATV equipment. The firm?s services include repair and certification, logistic, and professional field services. The company was founded in 2002 and is headquartered in Plano, TX.

Broadband Forum is a non-profit organization that focuses on accelerating broadband innovation, standards, and ecosystem development. The private company is based in Fremont, CA. Its members include leading broadband operators, vendors, and thought leaders who are shaping the future of broadband. Broadband Forum's projects span across 5G, connected home, cloud, and access. Its working groups collaborate to define best practices for networks, enable new revenue-generating service and content delivery, establish technology migration strategies, and engineer critical device, service & development management tools in the home and business IP networking infrastructure. Ken Ko has been the CEO of the company since 2017.

Tokenex LLC provides tokenization solutions for one-time, recurring, and archival transaction data. It offers TokenEx, an enterprise data security platform that provides solutions for coupling tokenization, encryption, and key management for ensuring secure data. The company was founded by Jerry W. Dawkins and Alex Pezold in 2010 and is headquartered in Edmond, OK.

Part of Diamondback Energy, Inc., Viper Energy Partners GP LLC explores petroleum and gas. The company is based in Midland, TX. Travis D. Stice has been the CEO of the company since 2014.

Part of ADDvantage Technologies Group, Inc., Fulton Technologies, Inc. provides maintenance and aftermarket services to the wireless industry. The company is based in Roselle, IL.

Mammoth Energy Partners GP LLC provides oil and natural gas exploration services. Its offer services to independent oil and natural gas producers and landbased drilling contractors in North America. The company is headquartered in Oklahoma City, OK.

4M HR Logistics LLC specializes in government and defense, aviation and technical trades, and manufacturing. It offers engineering, automotive, electrical contractors, facility maintenance, wind energy, and data and fiber optic communication. The company is headquartered in San Antonio, TX.