Member Directory FiltersClear () Member Type contractor (1) Contractor Specialties concrete architectural structural (1) concrete decorative (1) (-) concrete flatwork precast stamp work (1) demolition clearing cutting (1) excavating trenching (1) general engineering (1) Territory (-) Alameda County (1) Location Primary Location (1) Interested in becoming a member of United Contractors? Join us here. All A B C F G J L M R S V Showing Results (1 - 1) of 1 Sposeto Engineering, Inc. Member since May 2000 https://www.sposetoengineering.com (925) 443-4200 Platinum Annual Sponsors All 2025 Annual Sponsors