This service is also for exact and accurate hole placement through walls, flooring, rocks, concrete, asphalt, or block. To allow clean, safe and easy installation of all utilities and building requirements like electrical, plumbing, piping, guard rails, etc. as well as the testing of concrete core to see properties of concrete in already existing structures to analyze factors such as strength, permeability, chemical analysis, carbonation, and other information. We can fulfill every drilling need from a ¼ inch to 48 inch and above as needed.