Member Directory FiltersClear () Member Type contractor (1) Contractor Specialties demolition clearing cutting (1) erosion control soil stabilization (1) (-) excavating trenching (1) foundation site preparation land clearing (1) general engineering (1) (-) grading paving (1) synthetic track surfacing turf (1) Territory San Mateo 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 H I J K L M O P R S T W Showing Results (1 - 1) of 1 Interstate Grading & Paving, Inc. Member since December 1990 https://www.igpinc.com (650) 952-7333 Platinum Annual Sponsors All 2025 Annual Sponsors