New Hampshire - Area of significance: Commerce
| Abenaki Indian Shop and Camp |
| Amherst Village Historic District |
| Athens Building |
| Bolduc Block |
| Brick Store |
| Building at 418-420 Notre Dame Ave. |
| Central Business District |
| Central Square Historic District |
| Colonial Theatre Complex |
| Colony's Block |
| Contoocook Mills Industrial District |
| Crawford Depot |
| Crippen, Henry J., House |
| Dublin Lake Historic District |
| Eagle Hotel |
| Eastern Slope Inn |
| Eastman, William K., House |
| Elm Farm |
| Endicott Hotel |
| Enfield Shaker Historic District |
| Exeter Waterfront Commercial Historic District |
| Farwell, Corban C., Homestead |
| Francestown Town Hall and Academy and Town Common Historic District |
| Franklin Block |
| Franklin Falls Historic District |
| Freese's Tavern |
| Gilman Garrison House |
| Greenwood, Moses, House |
| Harrisville Rural District |
| Isles of Shoals |
| Jaffrey Center Historic District |
| Laconia Passenger Station |
| Lehoullier Building |
| Lovett's by Lafayette Brook |
| Lower Village District |
| Morrill, John J., Store |
| Mothers' and Daughters' Club House |
| Nashville Historic District |
| Nettleton House |
| New England Glassworks Site |
| New Hampshire Bank Building |
| New Hampshire Savings Bank Building |
| Newmarket Industrial and Commercial Historic District |
| North Conway 5 and 10 Cent Store |
| North Conway Depot and Railroad Yard |
| Orford Street Historic District |
| Parker's Store |
| Philbrook Farm Inn |
| Pittsfield Center Historic District |
| Porter, General, House |
| Portsmouth Athenaeum |
| Portsmouth Downtown Historic District |
| Public Market |
| Raymond Boston and Maine Railroad Depot |
| Reade, Michael, House |
| Robie's Country Store |
| Rochester Commercial and Industrial District |
| Rossiter, William, House |
| Rundlet-May House |
| Sandown Depot, Boston and Maine Railroad |
| Sawyer Building |
| Stanley Tavern |
| Strawbery Banke Historic District |
| Suncook Village Commercial-Civic Historic District |
| Tilton, Charles E., Mansion |
| Tilton Downtown Historic District |
| Todd Block |
| Union Hotel |
| Union Railroad Station and Freight Shed |
| Upham-Walker House |
| Webster Estate |
| Wentworth, Gov. John, House |
| Whiting, Oliver, Homestead |
Data from United States Park Service and Wikidata
