""9 Drains Plumbing Company. With over 25 years of plumbing and drain cleaning experience in the residential and commercial fields, you can't go wrong. We specialize in all aspects of plumbing and drain cleaning. There's no job we can't fix even if the other guys have already tired and failed. " EXPERT SEWER, DRAIN AND PLUMBING SERVICE! PLUMBING IN OKC METRO AREA."