Keefer Lehner

Founded in 1974, Simmons & Company International is an independent investment bank headquartered in Houston, Texas. The firm is a subsidiary of Piper Jaffray & Co. and their ultimate parent is Piper Jaffray Cos. (NYSE: PJC). Simmons & Co. specializes in the entire spectrum of the energy sector. They also provide services related to M&As and divestitures, public offerings, institutional research and sales and trading.

Quintana Energy Services LLC engages in the provision of completion, production and drilling services in the US onshore oilfield services industry. The company is headquartered in Houston, TX.

Quintana Capital Group (Quintana Capital) is a private equity firm founded in 2005. The firm is headquartered in Houston, Texas.

Quintana Energy Services GP LLC provides oil & gas exploration services. The company is headquartered in Houston, TX.

Quintana Resources Holdings LP is a metals and mining investment holding private company. The company is based in Houston, TX and has subsidiaries in the United States. The CEO of the company is Corby J. Robertson.

KLX Energy Services LLC provides distribution, logistics and technical services in the aerospace and oil and gas market. The company is headquartered in Houston, TX.

Quintana Energy Services, Inc. engages in the provision of diversified oilfield services to onshore oil and natural exploration and production companies. It operates through the following business segments: Directional Drilling Services, Pressure Pumping Services, Pressure Control Services, and Wireline Services. The Directional Drilling Services segment enables efficient drilling and guidance of the horizontal section of a wellbore using technologically-advanced fleet of downhole motors and measurement while-drilling kits. The Pressure Pumping Services segment focuses on large hydraulic fracturing jobs. The Pressure Control Services segment provides well control for completions and work over applications through coiled tubing units, rig-assisted snubbing units, and ancillary equipment. The Wireline Services segment includes wireline units providing a full range of pump-down services in support of unconventional completions, and cased-hole wireline services enabling reservoir characterization. The company was founded on April 13, 2017 and is headquartered in Houston, TX..

Part of KLX Energy Services Holdings, Inc., Centerline Trucking LLC is a private company that provides trucking services. The company is based in Willis, TX.