William Robert Lemmons

Flatrock Energy Advisors LLC (Flatrock Energy Advisors) is a private equity firm founded by William D. Waldrip, William Robert Lemmons and Dennis F. Jaggi in 2008. The firm is headquartered in San Antonio, Texas.

Enron Corp. provides energy related services

Delhi Gas Pipeline Corp. explores oil and natural gas. The company is headquartered in Dallas, TX.

Part of Marathon Oil Corp., Texas Oil & Gas Corp. is an oil and gas exploration and American production company. Texas Oil & Gas was acquired by USX Corp. /Old/ on February 28, 1986 for $4,094.40 million.

US Infrastructure LP provided midstream industry services to oil and gas producers. The firm was engaged in the acquisition, development and operation of natural gas gathering and processing assets. It provided oil and gas producers with midstream infrastructure and services that connect wellhead to market. The company was founded on 14th October, 2008 and was headquartered in Austin, TX.

Iron Horse Midstream LLC constructs natural gas compressor stations. The company is headquartered in Mustang, OK.

MODA Midstream LLC provides terminal, storage and distribution solutions to refiners and petrochemicals. The firm offers deepwater vessel loading and unloading, storage, blending, processing, and pipeline operations services. The company was founded by Jonathan Z. Ackerman, Javier del Olmo B., Bo McCall, and Kenneth F. Owen in 2015 and is headquartered in Houston, TX.

Part of Momentum Midstream LLC, M6 Midstream LLC is a company founded in 2017 that focuses on developing high-quality greenfield projects to meet the emerging needs of their customers. The company's assets are located in the core of the wet gas and condensate fairway of the eastern Utica shale. The company is based in Kent, DE. M6 Midstream's M6 system consists of integrated gathering, processing, and transmission assets that connect east and north Louisiana supply to premium Gulf Coast and LNG markets.