Member Directory FiltersClear () Member Type contractor (1) Contractor Specialties (-) excavating trenching (1) fire sprinklers (1) general engineering (1) pipe bursting pipe welding sanitary sewer systems (1) pipelines (1) pumps repair installation (1) (-) utility adjustments (1) water sewer drain products (1) Territory Contra Costa County (1) Location Primary Location (1) Interested in becoming a member of United Contractors? Join us here. All A B C F G H J K M O P R S T U V W Showing Results (1 - 1) of 1 Horizon Construction Co. (DS Castro) Member since December 1993 https://www.horizonconstructionco.com (925) 521-9300 Platinum Annual Sponsors All 2025 Annual Sponsors
