Plaster & Wald Consulting Corp. is a consulting firm that has been providing engineering and consulting services to the Oil & Gas industry since 1997. We strive to be the premier consulting firm in the industry through our high standards for honesty, integrity, teamwork, and safety for our personnel, environment, and natural resources. Plaster & Wald is headquartered in Mustang, Oklahoma and currently employs up to 250 people. Our services include well planning, engineering and project management, landscape and site design, and oil