Massachusetts - Area of significance: Industry
| Ipswich Mills Historic District |
| Ironstone Mill Housing and Cellar Hole |
| Item Building |
| Jarves, John and Mary Waterman, House |
| Jarvesville Historic District |
| Jenkins, Franklin B., House |
| Jenkins, Franklin B., House |
| Jenkins, Joseph, House |
| Jewett Piano Company Building |
| Johnson Manufacturing Company |
| Jones, Thomas W., House |
| Jones, William R., House |
| J. R. Torrey Razor Co. and J. R. Torrey & Co. Manufacturing Facility |
| Judson-Litchfield House |
| Junction Shop and Herman Street District |
| Kendal Green Historic District |
| Kennedy, F. A., Steam Bakery |
| Kenney, David, House |
| King Caesar House |
| Kingman, Gardner J., House |
| King Philip Mills |
| Kinney, A., House |
| Knowles, Lucius, House |
| Knowlton Hat Factory |
| LaCroix-Mosher House |
| Lancaster Mills |
| LaRochelle, Napoleon, Two-Family House |
| Lawton Place Historic District |
| Leather District |
| Lee Lower Main Street Historic District |
| Legg, John, House |
| Leonard, James, House |
| Leonard. Shaw & Dean Shoe Factory |
| Lewis, Deacon Willard, House |
| L.H. Hamel Leather Company Historic District |
| Lincolnshire, The |
| Lindsey, William, House |
| Linwood Historic District |
| Locke-Baldwin-Kinsley House |
| Lockville Historic District |
| Longmeadow Historic District |
| Loring, Harrison, House |
| Lowell Locks and Canals Historic District |
| Lowell National Historical Park |
| Lowell's Boat Shop |
| Lower Highlands Historic District |
| Lower Union Street Historic District |
| Lowney Chocolate Factory |
| Ludlow Village Historic District |
| Lunenburg Historic District |
| Lynn Bank Block |
| Lynn Realty Company Building No. 2 |
| Lyon's Turning Mill |
| Main Street Historic District |
| Makepeace, D. E., Company |
| Manchaug Village Historic District |
| Manchester Village Historic District |
| Manning, Charles, House |
| Manomet Mills |
| Maple Street Historic District |
| Marblehead Historic District |
| Marston, William, House |
| Martin, Aaron, Houses |
| Massachuetts Hornfels-Braintree Slate Quarry |
| Matthews Fulling Mill Site |
| McKinstry, William, Jr., House |
| Mechanics Block Historic District |
| Mechanics Mill |
| Medway Village Historic District |
| Merrimack Associates Building |
| Metropolitan District Commission Pumping House |
| Middleborough Center Historic District |
| Mill-Prospect Street Historic District |
| Mill River Historic District |
| Mill Village Historic District |
| Mill Way Historic District |
| Milton-Bradley Company |
| Montague Center Historic District |
| Monument Mills |
| Monument Square-Eagle Street Historic District |
| Moore's Corner Historic District |
| Moore State Park Historic District |
| Moran Square Historic District |
| Morse, Amos, House |
| Morse, H., House |
| Mother Brook Lower Mill Pond Historic District |
| Mount Greylock Summit Historic District |
| Mount Pleasant |
| Mowers' Block |
| Munroe Street Historic District |
| Musketaquid Mills |
| Muttock Historic and Archeological District |
| Nantucket Historic District |
| Narragansett Mills |
| Nashawannuck Mills Historic District |
| Natick Center Historic District |
| New Bedford Gas and Edison Light Complex |
| New Bedford Historic District |
| Newburyport Historic District |
| New England Confectionery Company Factory |
Data from United States Park Service and Wikidata
