Family owned and operated since 1957, Williams Testing & Excavating, Inc. can help with your pipe rerounding, excavation, sewer and dewatering needs. We also specialize in landfill lechate riser repair and collapsed wells. Invented in 1980, The Original Williams Rerounder System can solve your deflection pipe problems! Our patented machine is the best in the industry. We can Reround pipe from 8" to 48", whether it's sanitary or storm pipe.