Texas - Area of significance: Commerce
| Hilton Hotel |
| Hilton Hotel |
| Hochwald House |
| Hofheintz-Reissig Store |
| Holland Hotel |
| Hollyfield Laundry and Cleaners, |
| Hood County Courthouse Historic District |
| Hotel Faust |
| Hotel Limpia |
| Hotel Paso del Norte |
| Hotel Texas |
| Hotel Turkey |
| Hot Springs |
| Houston Post-Dispatch Building |
| Hoya Land Office Building |
| Hughes, Ed S., Company Warehouse |
| Hugo & Schmeltzer Company Warehouse |
| Humble-Exxon Building |
| Humble Oil Building |
| Humpty Dumpty Store |
| Hutto Commercial Historic District |
| Indiana Avenue Historic District |
| Interstate Forwarding Company Warehouse |
| In Town Inn |
| Irvine, George, House |
| Isbell House |
| J A Ranch |
| Jean Lafitte Hotel |
| Jefferson Historic District |
| Jones House |
| Keef-Filley Building |
| Kell, Frank, House |
| Kempner, Daniel Webster, House |
| Kennedy Bakery |
| Kingsville Downtown Historic District |
| Kirkpatrick, E. W., House and Barn |
| Kreische, Henry L., Brewery and House |
| Kress Building |
| Kress Building |
| Kress Building |
| Lampasas Downtown Historic District |
| La Nueva Libertad |
| Lee, Robert E., Hotel |
| Levy, E.S., Building |
| Lewis, Ella, Store and Rental Houses |
| Lincoln Paint and Color Company Building |
| Llano County Courthouse Historic District |
| Lockett, M. B. and Annie, House |
| Lomita Boulevard Commercial Historic District |
| Lumpkin Building |
| Magnolias, The |
| Main and Military Plazas Historic District |
| Main and Military Plazas Historic District |
| Main Street Historic District |
| Main Street/Market Square Historic District |
| Majestic Theatre |
| M and J Nelson Building |
| Mangham-McIlwain Building |
| Mansfield Cut Underwater Archeological District |
| Marine Commercial Historic District |
| Mason Historic District |
| Matagorda Island Lighthouse |
| Mathews-Powell House |
| Mathis, T. H., House |
| McDermott Motors Building |
| McFaddin, James, House |
| McKinney Cotton Compress Plant |
| McKinney Homestead |
| McWilliams Building |
| Merchants and Manufacturers Building |
| Midland Tower |
| Mifflin Kenedy Warehouse and Old Starr County Courthouse |
| Milam Building |
| Mildred Buildings |
| Miller, Sam and Marjorie, House |
| Mineola Downtown Historic District |
| Mineral Wells Central Historic District |
| Minter, William A., House |
| Mission Citrus Growers Union Packing Shed |
| Mobley Hotel |
| Model Laundry |
| Montgomery Ward and Company Building |
| Moonlight Towers |
| Moore Grocery Company |
| Moore's Crossing Historic District |
| Moreland, Charles B., House |
| Morningside Historic District |
| Mosquito Fleet Berth, Pier 19 |
| Mount Vernon Downtown Historic District |
| Nacogdoches Downtown Historic District |
| National Compress Company Building |
| Navasota Commercial Historic District |
| Near Southeast Historic District |
| O'Connor-Proctor Building |
| Oil & Gas Building |
| Old Bakery |
| Old City Mills |
| Old Continental State Bank |
| Old Fort Bliss |
| Old Galveston Customhouse |
Data from United States Park Service and Wikidata
