Established in 1950, Magnolia Plumbing Inc. is a provider of plumbing, heating as well as air conditioning, underground utility, drain, camera and construction related services. Based in Gambrills, Md., the company offers a range of service to both commercial and residential customers of the greater Washington Metropolitan region. Its plumbing service include water jetting, video camera line inspection services, backflow protection, pipe repair/installation as well as replacement, drain care service, underground line and leak detection, to name a few.