Make Your New Construction Project a Success WORK WITH AN EXPERIENCED ROOFING CONTRACTOR IN CRYSTAL RIVER, FL Don't trust your roofing job to just any contractor. ISC Contracting is a family owned and operated roofing company providing quality services for businesses and homeowners in Crystal River, FL. We've been in business since 2004, providing exceptional results at affordable prices. You can count on us for new construction roofing and home remodeling roofing services. Choose us for: Roof over services Metal roofing services Shingle roof installation services.