Montana - Area of significance: Industry
| Anaconda Commercial Historic District |
| Anaconda Copper Mining Company Smoke Stack |
| Bannack Historic District |
| Bozeman Brewery Historic District |
| Butte, Anaconda and Pacific Railway Historic District |
| Butte-Anaconda Historic District |
| California Creek Quarry |
| Canyon Creek Charcoal Kilns |
| Cat Creek Oil Field Sign |
| Charter Oak Mine and Mill |
| Clark, Charles W., Mansion |
| Clark, W. A., Mansion |
| Crow Creek Water Ditch |
| Eagle Guard Station |
| Elkhorn-Coolidge Historic District |
| Foye Rental Houses |
| Gallatin Valley Seed Company |
| Garnet Historic District |
| Gibson, John, House |
| Gildersleeve Mine |
| Glendive Heat, Light and Power Company Power Plant |
| Glenn's Dam Historic District |
| Goosetown Historic District |
| Grant-Marshall Lime Kiln Historic District, The |
| Great Falls Railroad Historic District |
| Hecla House |
| Helena West Main Street Historic District |
| Kalispell-American Laundry |
| Krug, Charles, House |
| Laurel Downtown Historic District |
| Mill House |
| Miners Union Hall |
| Missoula Downtown Historic District |
| Mount Helena Historic District |
| Parrot Mine Shops Complex |
| Philipsburg Historic District |
| Polson Feed Mill |
| Pony Historic District |
| Powder House |
| Pretty Creek Archeological Site |
| Prison Brickyard Historic District |
| Ramsay Historic District |
| Red Lodge Brewing Company-Red Lodge Canning Company |
| Ringeling House |
| Silver Bow Brewery Malt House |
| Smith Mine Historic District |
| Spieth and Krug Brewery |
| Stedman Foundry and Machine Company |
| Strawberry Mine Historic District |
| Superintendent's House |
| Thompson Falls Hydroelectric Dam Historic District |
| Toole, John R., House |
| Union City |
| Western Clay Manufacturing Company |
| West Quincy Granite Quarry |
| Yegen, Christian, House |
Data from United States Park Service and Wikidata