Welcome to our Web Site Please take a look around, explore the services we offer, and then get in touch with us to find out how we can meet your building needs. Manuwa Plumbing, Inc. was established May 1996 and is a certified 8(a), small, disadvantaged, service disabled veteran, woman owned, and family business. We are dedicated to providing great quality work at a great price. Our reputation tells our story--we don't advertise, but we've been fortunate to receive customer referrals for 95% of our plumbing services. We specialize in commercial, industrial, and residential plumbing; and we're known for getting the job done professionally and respectfully.