Admiral Plumbing and Drain Services has 30 Years Experience in all aspects of the plumbing field. John Minerd has worked in both commercial and residential plumbing projects from ground up to just a leaky faucet. John started the business in 1989 as a family owned business as it still remains today. ohn is an experienced, Professional, Prompt and Precise Plumber. Admiral Plumbing is straight forward and honest with a great work ethic with fair prices.