Oklahoma - Area of significance: Commerce
| New Cordell Courthouse Square Historic District |
| Newkirk Central Business District |
| Newport Hotel and Restaurant |
| Noble Hotel |
| Norman Historic District |
| North Cheyenne Avenue Historic District |
| Nuckolls House |
| Oil Capital Historic District |
| Okeene Flour Mill |
| Okeene Service Station |
| Oklahoma City Discovery Well |
| Oklahoma Hardware Building |
| Oklahoma Natural Gas Company Building |
| Oklahoma State Bank Building |
| Okmulgee Downtown Historic District |
| Old Military Road |
| One-hundred-and-one Ranch |
| Opera Block |
| Optima Grain Elevator |
| Osage Agency |
| Osage Bank of Fairfax |
| Owl Blacksmith Shop |
| Parkinson, Amos, House |
| Parkinson, Frederick, House |
| Patterson, A. W., House |
| Pauls Valley Historic District |
| Pawhuska Downtown Historic District |
| Perkins Downtown Historic District |
| Perry Courthouse Square Historic District |
| Perryville |
| Petroleum Building |
| Phillips 66 Station #473 |
| Phillips 66 Station No. 1423 |
| Philtower |
| Pierce Block |
| Plaza Court |
| Ponca City Milling Company Elevator |
| Pre-Statehood Commercial District |
| Provine Service Station |
| Public Water Trough |
| Pyeatt's, J. J., General Store |
| Railroad Exchange Building |
| Ralston Opera House |
| Randall Tire Company |
| Reynolds, James E., House |
| Richardson Building |
| Richardson, Edward, Building |
| Riviera Courts-Motel |
| Rock Cafe |
| Rock Island Depot |
| Rock Island Plow Building |
| Rogers, Will, Hotel |
| Rosenstein Building |
| Rouleau Hotel |
| Santa Fe Depot |
| Sapulpa Downtown Historic District |
| Sayre Downtown Historic District |
| Scott Store |
| Seaba's Filling Station |
| Selph Building |
| Severs Block |
| Sharp Lumberyard |
| Shattuck National Bank Building |
| Sherman Machine and Iron Works Building |
| Sieber Grocery and Apartment Hotel |
| Sinclair Service Station |
| Skirvin Hotel |
| Sooner Co-op Association Elevator (West) |
| Southern Hotel |
| Southwestern Bell Main Dial Building |
| Spanish Village Historic District |
| Spraker Service Station |
| Stanford Furniture Co. Building |
| State National Bank Building |
| St. Cloud Hotel |
| Stein, L. L., House |
| Stillwater Santa Fe Depot |
| Stine Building |
| Stock Exchange Bank |
| Stockyards City Historic District |
| Stroud Trading Company Building |
| Stuart Hotel |
| Surety Building |
| Territorial Commercial District |
| Texaco Service Station |
| Threatt Filling Station |
| Tillman County Bank of Grandfield |
| Tishomingo City Hall |
| Tracey Woodframe Grain Elevator |
| Trahern's Station |
| Tri-State Zinc and Lead Ore Producers Association Office |
| Trumbo, A. C., House |
| Turpin Grain Elevator |
| Tuton's Drugstore |
| Vici M-K-T Depot |
| Walker Building |
| Washington, Bill, Ranchhouse |
| Way House |
| Welch, J. C., House |
| Whited Grist Mill |
Data from United States Park Service and Wikidata
