Member Directory FiltersClear () Member Type contractor (1) Contractor Specialties castinplace pipe storm drains (1) (-) demolition clearing cutting (1) environmental remediation (1) erosion control soil stabilization (1) excavating trenching (1) foundation site preparation land clearing (1) general engineering (1) grading paving (1) pipe bursting pipe welding sanitary sewer systems (1) Territory (-) Alameda County (1) Location Primary Location (1) Interested in becoming a member of United Contractors? Join us here. All A B C D E F G I J M P R S T W Showing Results (1 - 1) of 1 Tri-Valley Excavating Member since March 2007 (925) 862-0708 Platinum Annual Sponsors All 2025 Annual Sponsors