Profile: O'Brien Contractors Limited specializes in civil engineering and ground-works. We are an ISO 9001 certified company. We also provide drainage, pipework and associated works, reinforced concrete structures, earthworks design & ground modeling facilities, 3D machine control system, ground stabilization, demolition & reinforced concrete works including foundations, floors, retaining walls & external service yards. We offer laser leveling equipment for earthwork requirements, and they utilize 3D & laser based technology. We also offer equipment hire services.