Reliable Plumbing, Heating, and Welding is a full-service plumbing company serving the Columbia area. The Reliable team cleans drains, locates and repairs water leaks, including under slabs, and diagnoses and repairs sewer problems, including lining sewer pipes in difficult-to-access areas. Reliable also services furnaces and air conditioning units in commercial and residential locations and performs stainless steel kitchen welding repairs.