Plumbing & Heating By R Desimone is a plumbing company in Johnston, RI. Check our website for more information and book a service with us. We serve in Johnston, RI, North Providence Town RI; Central Falls RI; Woonsocket RI; West Warwick Town RI; Valley Falls RI; and the surrounding areas. Services: Plumbing Contractor, Plumbing Repair, Rooter Service, Plumbing Leak Repair, Septic Plumber