Cobb Hill Construction Best Contractor Address: 206 N State St, Concord, NH Phone: (603) 224-8373 Website: cobbhill.com/ 2nd Place Jim Duval Construction Address: , Bow, NH Phone: (603) 724-5398 Website: 3rd Place Milestone Construction Address: 1 Horseshoe Pond Ln, Concord, NH Phone: (603) 226-3877 Website: milestoneengcon.com/