.L.J. Hughes & Sons, Inc. has served the mining and construction industries for over 80 years specializing in Diamond Core Drilling, Geotechnical Drilling, Environmental Drilling, and Pressure Grouting. Mission L. J. Hughes & Sons, Inc. goal is to always serve their client's needs as quickly as possible with honesty and integrity while keeping all the geologic data strictly confidential. Company Overview L.J. Hughes & Sons, Inc. is the largest diamond drilling contractor on the U.S. East Coast. We have been privately held and family-owned for over four generations. Since 1946, the company has drilled 16,182,172 feet. ... Diamond Drilling is used in coal and mineral exploration to obtain core samples of the geological strata. Geotechnical Drilling is used to obtain soil and core samples used in the design of structures including buildings, dams, roads, and bridges. Environmental Drilling is used to set monitoring wells to obtain ground water samples, often in contaminated areas. Pressure Grouting is used to pump grout slurries under high pressure into subsurface cracks and fissures to form impermeable barricades to seal off water when constructing mine shafts and slopes as well as bridge and dam foundations. We are a member of both the National Drilling Association and the National Ground Water Association. L.J. Hughes & Sons, Inc. is capable of operating 25 drill rigs within a seven state area consisting of West Virginia, Pennsylvania, Maryland, Virginia, Ohio, Kentucky, and Tennessee. We have a maintenance and fabrication shop where we service and maintain our fleet of crew trucks, cargo trucks, water trucks, drill trucks, drill rigs, pump units and grouters. With our fleet of shop maintenance trucks we can make immediate repairs in the field to reduce our down time to a minimum.