UNITED PLUMBING MECHANICAL INC. UNITED PLUMBING MECHANICAL INC. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> GNYWC UNITED PLUMBING MECHANICAL INC. 74-23 91ST AVENUEWOODHAVEN, NY 11421 | View on Google Maps Damien George (718) 296-4760 Member Since: 2022