Demco Excavating & Paving offers clients a quality excavating contractor in Belle Vernon, PA, and beyond. Preparing a construction site for a build takes a lot of work. Part of the work includes excavating for septic and sewer systems, utilities, and driveways. Since 1978, Demco Excavating & Paving has provided top-notch excavating contractor services to customers in and around Fayette County, PA. Our team of detail-oriented construction experts from the Farmington, PA, area provides unmatched excavating services.