Contact PA Contractor Oak Tree Contracting for roofing, siding, deck building, decks, bathroom remodeling, tree removal, property maintenance and other roofing contractor PA services. Fill out the form and send it in and you will receive a response from somebody at Oak Tree in a timely manner. PA Contractor Oak Tree Contracting. New Jersey Residential Contractor. Tom Sr. and Tom Jr. created Oak Tree Contracting following 50 years of experience in roofing and other general contracting. Oak Tree Contracting is a company founded by a father and son team. A company built on values of quality work, timely completion and open communication. We treat our client’s homes like we treat our own homes. Contact our team!