Founded 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.
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
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
Heisey MachineHeisey Machine is a Lancaster, Pennsylvania manufacturer with more than 40 years in the drilling-tool business and a staff whose combined experience exceeds 60 years. Known for listening closely to customers, the company makes custom equipment for drilling operations worldwide and offers personalized service rather than relying solely on stock designs.LANCASTER, PA