Reliance Plumbing & Drain Cleaning is a full service plumbing company located in Orlando, Florida. We have been serving residential and commercial customers in Seminole, Orange, Osceola and Volusia counties since 1973. Whether you are in need of major plumbing repairs, or you just need help with a leaking toilet, we can help. We handle jobs both big and small. And, we are available 24-hours a day, 7 days a week—including nights, weekends and holidays..