New Hampshire Office of Energy and Planning NH Office of Energy and Planning Concord, NH Other Attractions Department of Cultural Resources Concord, NH Businesses Courtyard by Marriott & Grappone Conference Center 90 room hotel, featuring indoor pool, restaurant, lounge and exercise room. Adjacent conference center with over 9,500 Concord, NH Other Attractions Aquanuts Scuba Shop Concord, NH Other Attractions Angelina Restaurant Concord, NH Businesses