With more than a century of drilling experience, Keystone Drill Services is known as a practical, long-term resource for drillers across industries. Its team works from Pennsylvania and Ohio to develop custom solutions and support equipment in the field, serving customers from initial needs through ongoing maintenance. Keystone was acquired by Preferred Pump & Equipment in 2025, while continuing its established mission of supporting drilling operations.
Factory-certified service team
OCI, LLCFounded in 1997 by people with hands-on experience across the drilling trade, OCI, LLC has grown from a new venture into a Brookville, Pennsylvania company serving construction drilling projects. It supports customers with custom drilling equipment and related services, including precision machining for demanding components. Its work also reaches environmental, mining, oil and gas, water and utility projects.BROOKVILLE, PA
New Way DrillingFor more than 40 years, New Way Drilling has drilled water, geothermal, cathodic and blast-hole wells for residential, commercial and industrial customers across Pennsylvania. Based in South Williamsport, the company stands out for its extensive regional equipment inventory, including five Ingersoll Rand rigs dedicated to blast-hole and water-well work. New Way is an MSHA Certified Contractor, with employees receiving annual MSHA Miner Safety and SafeLandUSA training.SOUTH WILLIAMSPORT, PA
Pennsylvania Drilling CompanyWith roots reaching back to a 1900 drilling company, family-owned Pennsylvania Drilling Company combines contract drilling with in-house manufacturing for foundation construction. Its McKees Rocks machine shop makes PennDrill casing and tooling, while the Winchester division builds Colcrete grouting equipment; crews also take on environmental and foundation investigations, including difficult-access work. The company introduced the PennDrill line in 1947 and now operates manufacturing divisions in Pennsylvania and Virginia, along with a U.K. division acquired in 2021.MCKEES ROCKS, PA
Pennsylvania Drilling CompanyWith roots reaching back to 1900, family-owned Pennsylvania Drilling Company combines contract drilling with in-house manufacturing of foundation drilling tools and casing. Its McKees Rocks machine shop produces PennDrill tooling, while the Winchester division makes and rents grouting equipment for geotechnical and deep-foundation work. The company is also known for taking on difficult-access and unusual drilling projects, adapting its equipment and building custom tools when standard solutions fall short.MCKEES ROCKS, PA