Concrete Core Drilling United Concrete Coring and Sawing are the experts for the difficult concrete coring projects for Southern California. These three photos are of United drilling 5" diameter holes through a bridge over the 91 freeway in Riverside, Ca.
	United Concrete hires only trained professionals in our industry. We keep our standards high so you don't have to worry!! United is always looking for professional, honest, drug-free and hard working crew members to join our team.  If you feel you have what it takes, please let us know.