Gabriel Rio

Milestone Environmental Services LLC provides oil and gas waste disposal services. It specializes in oilfield exploration and production non-hazardous waste disposal with a focus on waste drilling mud and vacuum truck and frac tank washouts. The firm's services include clean field salt water, clean fresh water, flowback and completion fluids, dirty water and oily dirty water, flowback and completion fluids, water-based mud, tank bottoms and wash pit waste, oil-based mud and covered washout facilities services. The company was founded in 1993 by John Douglas Ivey and is headquartered in Houston, TX.

Milestone Environmental Services, Inc. provides environmental and carbon management services. The private company is based in Houston, TX. The company was founded in 2014. The CEO is Gabriel J. Rio.

R360 Environmental Solutions LLC provides waste management services. Its services include landfill waste disposal, land treatment process, washouts, oil reclamation, transportation, closed loop equipment and waste collection, production water disposal, and R3 technology. The company was founded on July 2010 and is headquartered in The Woodlands, TX.

Purvin & Gertz LLC provides energy consulting services. Its services include project planning and implementation, strategic planning, feasibility studies and market analysis. The company was founded in 1947 and is headquartered in Houston, TX.

Three Cities Research, Inc. (Three Cities Research) is a private equity, subsidiary of Three Cities Holdings Ltd. founded in 1976. The firm is headquartered in New York.