Proven Contracting helps homeowners improve their properties by providing a range of premium home upgrades in Northern New Jersey. If you're looking for a brand new roof installation with lifetime warranty, repairs, maintenance or gutter work; trust our roofing experts to do the job right. We provide professional siding, window installation, replacement
Guy and Mary Muoio founded Guymar Construction Company in 1975 in Livingston, New Jersey. From the basement of their home, they began providing construction services on roofs, windows, gutters, and siding. As a "born salesman" and tireless worker, Guy grew the business from humble beginnings to a leadership position among New Jersey roofing contractors