Member Directory FiltersClear () Member Type contractor (1) Contractor Specialties castinplace pipe storm drains (1) (-) demolition clearing cutting (1) fire sprinklers (1) pipe bursting pipe welding sanitary sewer systems (1) (-) pumps repair installation (1) water sewer drain products (1) Territory San Francisco County (1) Location Primary Location (1) Interested in becoming a member of United Contractors? Join us here. All E F G J K L M P S T V Showing Results (1 - 1) of 1 Precision Engineering, Inc. Member since August 2006 (415) 621-4882 Platinum Annual Sponsors All 2025 Annual Sponsors