PGH Petroleum & Environmental Engineers, LLC, a GAI Company, provides petroleum engineering, litigation support, and permitting and regulatory consulting services for oil and gas operations. PGH’s experienced staff takes a client-first approach toward delivering comprehensive services including drilling and reservoir engineering, field development studies, oil and gas reserve evaluations, gas marketing studies, secondary recovery and unitization projects, and more. Over its nearly 3 decades of operations, Austin, Texas-based PGH has earned a loyal clientele by providing sustainable, innovative, responsive solutions to a highly demanding market.