United Construction is a full service concrete cutting and core drilling company servicing the DC Metropolitan corridor. Featuring state-of-the-art equipment and highly trained and professional employees, United is capable of handling virtually any concrete cutting project with minimal disruption to your business or transportation service.As a woman-owned, minority –owned firm, United provides such services as Wire Sawing, Road and Slab Sawing, Core Drilling, Wall Sawing, Sawing and Sealing of Roadways, Bridge Deck Grooving, Curb Sawing, and Concrete Floor Grinding & Polishing