Diamond Equipment Contracting. Corp. was established in 1975. We are a Virginia Class A contractor specializing in diamond bit core drilling, diamond blade flat sawing, wall sawing, hand sawing, ring sawing, diamond chain sawing, diamond wire sawing of concrete, masonry, asphalt structures, slabs, or pavement, and related work. Applications may include general demolition, holes, openings, or trenches for plumbing, electrical, mechanical or other utility installations, holes for fence, bollards, handrail posts, anchoring systems, test cores or exploration, openings for windows or doors, and cuts for detector loops, control cuts or decorative cuts. We value our clients and look forward to talking to you!