General Freight Trucking, Local Other Heavy and Civil Engineering Construction Site Preparation Contractors Highway, Street, and Bridge Construction Commercial and Institutional Building Construction Concrete Approach Slabs Bridge Railing and Barriers Reinforcement Pavement Patching, Widening, and Joint Repair Base Course - Class II Trucking Structural Concrete-Cast in Place Box Culverts Structural Concrete-Precast Box Culverts and Headwalls Structural Concrete-Bridges Drainage Structures and Other Incidental Construction Incidental Concrete and Revetment Base Course Earthwork and Other Incidental Construction Full Depth Patching of Jointed Concrete Pavement