Louisiana - Area of significance: Commerce
| OLIVE JEANETTE |
| Ouachita Coca-Cola Bottling Company, Inc.-Ouachita Candy Company, Inc. |
| Patterson Commercial Historic District |
| Percy-Lobdell Building |
| Polmer Store |
| Ponchatoula Commercial Historic District |
| Ponthieu, Adam, Store-Big Bend Post Office |
| Price's Beauty Shop |
| Richard Cattle Auction Barn |
| Robinson, Eddie Sr., Historic District |
| Ryan Street Historic District |
| Schwegmann Bros. Giant Supermarket No. 1 |
| S.S. ALCOA PURITAN (shipwreck and remains) |
| S.S. GULFOIL (shipwreck and remains) |
| S.S. GULFPENN (shipwreck and remains) |
| S.S. HALO, shipwreck and remains |
| S.S. R.M. PARKER JR. (shipwreck and remains) |
| S.S. ROBERT E.LEE and U-166 (shipwrecks and remains) |
| S.S. VIRGINIA (shipwreck and remains) |
| Star Hill Post Office and Store |
| St. Bernard Market |
| Steamboat House |
| St. Francisville Historic District |
| St. Martinville Historic District |
| Supple's, J., Sons Mercantile Company, Ltd. |
| Tally's Bank |
| Taylor Wholesale Grocers and Cotton Factors Warehouse-Lee Hardware Building |
| Thomas House |
| Treme Market |
| Upper Central Business District |
| U.S. Customhouse |
| U.S. Mint, New Orleans Branch |
| West Monroe Historic District |
| Winnsboro Commercial Historic District |
Data from United States Park Service and Wikidata
