Member Directory FiltersClear () Member Type contractor (1) Contractor Specialties concrete architectural structural (1) concrete decorative (1) (-) concrete flatwork precast stamp work (1) Territory (-) Alameda County (1) Location Primary Location (1) Interested in becoming a member of United Contractors? Join us here. All A B F G J L M R S V Showing Results (1 - 1) of 1 Luminart Concrete Member since December 2014 (925) 785-7020 Platinum Annual Sponsors All 2025 Annual Sponsors