Louisiana - Area of significance: Commerce
| Avery Island |
| Babington, Robert H., House |
| Babington, Thomas M., House |
| Bailey Hotel |
| Bank of Addis |
| Bank of Louisiana |
| Bank of Scott |
| Bank of Slaughter |
| Bank of Ville Platte |
| Bayou Boeuf Settlement |
| Bayou Plaquemine Lock |
| Bennett Plantation House |
| Bernard, L.J. Hardware Store |
| Bogalusa Railroad Station |
| Bolton, James Wade, House |
| Breaux Bridge Historic District |
| Brown Hotel and Cafe |
| Building at 108 Green Street |
| Building at 225 Baronne Street |
| Buildings at 445-447-449 South Rampart |
| Caire, E.J., & Co. Stores |
| Carnahan Store |
| Cash Grocery and Sales Company Warehouse |
| Castleberry Boarding House |
| Central Bank and Trust Co. |
| Central Bank and Trust Company, Mansura |
| Citizens Bank |
| Claiborne Cottage Hotel |
| Commercial Building |
| Crowley Historic District |
| D’Agostino Building |
| DELTA QUEEN (Steamboat) |
| Denham Springs Commercial Historic District |
| DeRidder Commercial Historic District |
| Dew Drop Inn |
| Division of St. John Historic District |
| Downtown Abbeville Historic District |
| Downtown Alexandria Commercial Historic District |
| Downtown Amite Historic District |
| Downtown Baton Rouge Historic District |
| Downtown Columbia Historic District |
| Downtown Delhi Historic District |
| Downtown Leesville Historic District |
| Downtown Minden Historic District |
| Downtown Monroe Historic District |
| Downtown Monroe Historic District |
| Downtown New Iberia Commercial Historic District |
| Downtown Ruston Historic District |
| Eagle Saloon Building |
| Faubourg Marigny |
| Ferriday Commercial Historic District |
| Ferry Place |
| First National Bank |
| Ford Motor Company Assembly Plant |
| Franklin Historic District |
| French Market-Old Vegetable Market |
| Fullerton Mill and Town |
| Fuqua Hardware Store Building |
| Genius Brothers Building |
| Gordon Hotel |
| Governor House Motor Hotel, The |
| Grand Cane Historic District |
| Griffin's Bakery |
| Haaswood Store |
| Hammond Historic District |
| Hotel Lesage |
| Houma Historic District |
| International Trade Mart |
| Isaacs-Williams Mansion |
| Jackson Historic District |
| Karnofsky Tailor Shop-House |
| Lafayette Central Business District |
| Lafayette Coca-Cola Bottling Plant |
| Lapeyrouse Grocery |
| Leeds Iron Foundry |
| LeJeune's Bakery |
| Los Adaes |
| Louisiana Coca-Cola Bottling Company Plant |
| Lower Garden District |
| Lykes Brothers Steamship Company Historic District |
| Macheca Building |
| Marksville Commercial Historic District |
| Marston House |
| Merieult House |
| Miller, J. M., and Brother Store |
| Miller-Roy Building |
| Mix Store and Post Office |
| Muller's Department Store |
| M.V. SHEHERAZADE (shipwreck and remains) |
| Natchitoches Historic District |
| NEW IBERIA (steamboat) shipwreck |
| New Orleans Cotton Exchange Building |
| New Roads Commercial Historic District |
| Oaks Hotel |
| Ogilvie Hardware Company Building |
| Old Castillo Hotel |
| Old Commercial National Bank Building |
| Old Lafayette City Hall |
| Old Meat Market-Old Meat Market |
| Olinde Building |
Data from United States Park Service and Wikidata
