Corbin Robertson

Quintana Maritime Ltd. provides marine transportation services. It provides dry bulk cargo marine transportation services. The company owns 22 vessels and together with 7 Panamax vessels under bareboat charter. Quintana Maritime was founded in January 2005 and is headquartered in Glyfada, Greece.

Genesis Energy LLC distributes natural gas. The company was founded on May 28, 2002 and is headquartered in Houston, TX.

Buckhorn Energy Services LLC provides oilfield waste treatment and disposal services to oil and natural gas industries. Its services include solid waste disposal, salt water disposal, and gathering systems solutions. The company was founded by Gary L. Ebel in June 9, 2011 and is headquartered in Greenwood Village, CO.

Part of Natural Resource Partners LP, GP Natural Resource Partners LLC owns, manages and leases a portfolio of mineral properties which includes coal and soda ash, oil & gas and construction aggregates. The company is based in Houston, TX. Corby J. Robertson has been the CEO of the company since 2002.

Quintana Minerals Corp. provides oil and gas exploration services. The company is headquartered in Houston, TX.

Deloitte & Touche LLP engages in the provision of audit, advisory, financial advisory, tax, and consulting services. The company was founded on March 7, 1995 and is headquartered in New York, NY.

Texas Oil & Gas Association engages in operation of a statewide trade association representing the Texas oil and gas industry. It provides crude oil and natural gas. The company was founded in 1919 and is headquartered in Austin, TX.

Western Pocahontas Properties LP is an investment holding private company. The company is based in Huntington, WV. The company's description does not provide any further information about its operations. Corbin J. Robertson has been the CEO of the company since 2008.

Quality Magnetite LLC manufactures and distributes magnetite to heavy industries. It offers applications such as heavy media separation and specialty products. The company was founded by Herbert B. Akers in 1955 and is headquartered in Kenova, WV.

Quinwood Coal Co. LLC engages in coal mining business. The company was founded on March 21, 2017 and is headquartered in Austin, TX.

LKCM Headwater Investment (LKCM Headwater Investment) is the private equity arm of Luther King Capital Management Corp, founded by John Bryan King. The firm is headquartered in Fort Worth, Texas.

Kopper Glo Fuel, Inc. provides coal and lignite mining services. It offers utility and industry customers the products and services to the industries and currently produces low sulfur, high BTU steam coal from two contour surface mines and one deep mine. The company was founded in 1959 and is headquartered in Knoxville, TN.

Quintana Resources Capital ULC engages in the provision of financial and technical services to Quintana Resources Holdings LP, an investment holding company based in Houston, Texas. The company was founded in 2014 and is headquartered in Vancouver, Canada.

New Gauley Coal Corp. operates New & Gauley River Adventures, an outdoor outfitter that offers whitewater rafting trips in West Virginia. The private company is based in West Virginia. The American company has two different rivers for rafting and offers trips of varying intensities for families and experienced rafters. Unlike other outfitters in the New River Gorge area, New & Gauley River Adventures prides itself on providing a more personalized and less crowded experience.

Buckhorn Waste Services LLC is a leading provider of oilfield waste disposal solutions, with a focus on the Permian and Williston basins. The company is based in Greenwood Village, CO. The company's services include NORM, Gathering Systems, and SWD.

LKCM Headwater Investments GP LLC operates as an alternative investment management firm. It specializes in private equity, middle market, and buy-out investments. The firm serves its clients individuals, foundations, endowments, investment companies, pension and profit-sharing plans, trusts and estates, among other organizations. The company was founded in 1979 and is headquartered in Fort Worth, TX.

LKCM Headwater Investments I LP invests in lower middle-market companies located in the United States with revenue of $50 - $200 million and $3 - $50 million for add-on acquisition. The fund targets companies operating across a broad range of sectors primarily in distribution/services, manufacturing, healthcare, energy and financial services. It provides financing for buyout, recapitalizations, growth capital, consolidations & build-ups, distressed opportunities, corporate carve-outs with an investment size ranging from $5 - $25 million. It acquires minority investment & controlling interest in publicly traded companies.

LKCM Headwater Investments III LP invests in companies located in the US with revenues of $50 - $500 million and $3 - $100 million for add-on acquisitions. The fund targets companies operating across a broad range of sectors primarily in industrial distribution/services, manufacturing, healthcare, energy and financial services. It provides financing for buyout, recapitalizations, growth capital, consolidations & build-ups, distressed opportunities, corporate carve-outs with an investment size ranging from $5 - $80 million. It also acquires minority and controlling interests.