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 L M O P R S T W Y 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