Rob Cummings Contracting, General Contractor in the Newmarket ON area. With over 25 years experience, quality workmanship is guaranteed. Call on General Contractor Newmarket Ontario if you are looking for additions, complete home renovations, deck & fence design, retaining walls, foundation repairs, and more! Quality Contracting & Construction, Everytime! With over 25 years experience, Rob Cummings Contracting has the experience & dedication to complete your job quickly & effectively. Rob Cummings Contracting is your top choice when you are searching for a general contractor in Newmarket. Call on us for Skid Steer and Mini Excavator Services or Digging & Haulage in the Newmarket area. Whether you are looking for add value to your home and increase your resale potential, or just add floor space for your growing family, call on Rob Cummings Contracting today for a free quote and professional general contractor, Newmarket ON.