United Drilling is a full service drilling company specializing in drilling guaranteed-plumb hydraulic cylinder holes for elevators. Our state-of-the-art equipment, including our InsideAir indoor drilling rig and our Concentrix bits, allows us to drill holes through any ground formation, indoors or outdoors. United Drilling, Inc. assists elevator companies with hundreds of modernization projects every year.…

Chesapeake Drilling offers a diversified range of expert services specializing in all aspects of drilling and modernization of hydraulic elevator holes. Chesapeake Drilling has the capability to drill large diameter holes for both outside new construction (Truck) and inside existing buildings (Skid) in any ground formation encountered. Either rock or non-rock ground formations can be…