* Perform plumbing work, drain cleaning, leak detection, grease trap and liquid waste pumping, backflow protection, pipe replacement/repair, and trenchless sewer, water, and gas main replacement. *Repair, replace and and install water heaters, wall heaters, diswasher, disposers, showers and tubs, faucets, sinks, toilet, waterlines, septic tanks, and pipework. * Root sewers and drains.