DLH Energy Service is a leading provider of Workover/Completions rigs, Roustabout Services, Water Hauling, and Trucking Services in the Appalachian Basin. Working throughout New York, Pennsylvania, Ohio, and West Virginia, you will find our Supervisors and crews to be knowledgeable and well experienced to meet the challenges of the ever changing Natural Gas and Oil Fields. Our rigs range in size from swab rigs to 500 horsepower doubles.