Greene’s Energy Group (GEG) named David Lang as Mid-Continent Regional Manager for the Testing and Services business unit, announced President Eric Langlinais. Based in Lafayette, La., Lang will provide leadership, direction and operational support to the facility managers in the Bossier City, La.; Kilgore, Texas; Ardmore and Weatherford, Okla.; Ft. Smith and Conway, Ark.; and Dodge City, Kan. facilities. Prior to his new role, Lang was Store Manager for Eagle Oilfield Services, a subsidiary of Greene’s Energy Group.