Doug J. Musicaro

Terra Energy Partners LLC engages in the exploration and production of oil and natural gas. It acquires and develops long-lived producing oil and gas assets in North America. The company was founded by Michael S. Land in 2015 and is headquartered in Houston, TX.

Rubicon Oilfield International Ltd provides support activities for oil and operations. The firm offers drilling and completion solutions and products. It also offers directional, horizontal well construction, performance, extended reach drilling, hole conditioning and frac plug milling applications. The company was founded by Michael E. Reeves and John B. Griggs in June 2015 and is headquartered in Houston, TX.

Warburg Pincus LLC (Warburg Pincus) is a private equity subsidiary of Warburg Pincus & Company US LLC founded in 1966. The firm is headquartered in New York.

Sweeping Corporation of America, Inc. engages in the provision of sweeping contracting services. It offers streets and highways, parking lots and garage facilities, jetvac services, milling ad paving, construction sites, and special events solutions. The firm serves the government and municipality, commercial and retail, construction, industrial and manufacturing, and residential markets. The company was founded by Thomas A. Rice in 1988 and is headquartered in Cleveland, OH.

First Reserve Management LP (First Reserve) is a private equity firm founded in 1983. The firm is headquartered in Stamford, Connecticut.