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 L 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
