Simpson Plumbing Service, LLC is a professional plumbing company. We've been proudly serving the Greater Upstate area since 2008, and in those years we have seen a lot. From minor leaks to major mishaps. Simpson Plumbing Service has created longstanding, trusting relationships with customers throughout the upstate. We are a true family owned and operated business from the time you call our receptionist Becky to your interactions with our plumber Joe . We truly strive to make your experience with us a pleasant and seamless one.