Petersburg Plumbing and Excavating provides qualified Union Labor for the following. Sanitary Sewers, Storm Sewers, Water Mains, Water Treatment Plants, Waste Water Treatment Plants, Lift Stations (New and Rehab), Directional Boring, Hydro Excavation, Sewer Cleaning, Closed-Circuit Television Inspection (6"-60" in diameter),HDPE Fusing, Casing Bores, Smoke Testing and Manhole Rehabilitation. Petersburg Plumbing and Excavating is a subsidiary of Henson Robinson Company which provides Commercial Plumbing, Commercial HVAC, Commercial Piping, Commercial Roofing, Service Department, and Residential HVAC services.