Preferred Plumbing Solutions Inc. or ‘P.P.S.’, is a service based company that takes pride in there work. Here at P.P.S. we work under a master license and are fully Insured. We hold an interprovincial Red seal certificate which in the event, allows us to practice plumbing anywhere in the Country. We also hold an OWWA backflow prevention license, which makes us Cross Control Connection Specialists (C.C.C.S.). P.P.S is based out of Thornhill but will provide service anywhere in the GTA.