Colorado - Area of significance: Industry
| Anderson, Peter, House |
| Animas Forks |
| Argentum Mining Camp |
| Argo Tunnel and Mill |
| Arvada Flour Mill |
| Bachelor-Commodore Mine Complex |
| Bachelor Mine |
| Barger Gulch Locality B |
| Breckenridge Historic District |
| Bromide Charcoal Kilns |
| Brown, David W., House |
| Burro Mine Complex |
| Calhan Paint Mines Archeological District |
| Capitol City Charcoal Kilns |
| Cardiff Coke Ovens |
| Cardinal Mill |
| Central City-Black Hawk Historic District |
| Chance Gulch Site |
| Chappell, Delos Allen, House |
| Cokedale Historic District |
| Colorado Salt Works |
| Colorado Ute Power Plant |
| Como Cemetery |
| Congregational Church |
| Crescent Moly Mine No. 100 and Mining Camp |
| Cripple Creek Historic District |
| Crocker, F. W., and Company Steam Cracker Factory |
| Denver and Rio Grande Western Railroad Locomotive No. 315 |
| Denver, Boulder and Western Railway Historic District |
| Denver City Railway Company Building |
| Department of Energy Grand Junction Office |
| Derry Mining Site Camp |
| Doyle-Benton House |
| Dunwoody, William J., House |
| Dutchtown |
| Eastlake Farmers Co-Operative Elevator Company |
| Empire Chief Mine and Mill |
| Empson Cannery |
| Engine No. 463 |
| Fort Peabody |
| Foster, Ernest LeNeve, House |
| Fox Mine Office |
| Franktown Cave |
| Frisco-Bagley Mine and Tunnel |
| Frontenac and Aduddell Mine Complex |
| Georgetown Loop Railroad |
| Glenwood Springs Hydroelectric Plant |
| Golconda Mine |
| Gold Prince Mine, Mill and Aerial Tramway |
| Great Western Sugar Company Effluent Flume and Bridge |
| Greeley, Salt Lake and Pacific Railroad-Stout Branch |
| Hallett, Samuel I., House |
| Hanging Flume |
| Harmony Mill |
| Harris, W. C., House |
| Hayden Co-Operative Elevator Company |
| Henry Huff Cabin |
| Holden Mining and Smelting Co. |
| Humboldt Street Historic District |
| Hyman-Brand Building |
| Independence and Independence Mill Site |
| Kullgren House |
| Lamb Spring |
| Leadville Historic District |
| Lebanon and Everett Mine Tunnels |
| Lewis House |
| Lewis Mill |
| Littlejohn Mine Complex |
| Little Rome |
| Littleton Creamery-Beatrice Foods Cold Storage Warehouse |
| LoDaisKa Site |
| Longmont Power Plant |
| Louviers Village |
| Louviers Village Club |
| Ludlow Tent Colony Site |
| Lulu City Site |
| Lyons Sandstone Buildings |
| Maitland Estate |
| Manitou Springs Historic District |
| Marble Mill Site |
| Marcia (pullman car) |
| Martin Mining Complex |
| Matchless Mine |
| McKenzie Well |
| McPhee and McGinnity Building |
| McPhee and McGinnity Paint Factory |
| Midwest Steel and Iron Works Company Complex |
| Miller House |
| Minnequa Steel Works Office Building and Dispensary, Colorado Fuel and Iron Company |
| Minnie Gulch Cabins |
| Modoc Mill |
| Morrison Historic District |
| National Fuel Company Store |
| North End Historic District |
| Northern Colorado Power Company Substation |
| Ohio-Colorado Smelting and Refining Company Smokestack |
| Oil Spring |
| Ore Processing Mill and Dam |
| Ouray Historic District |
| Overland Cotton Mill |
Data from United States Park Service and Wikidata
