Massachusetts - Area of significance: Industry
| Cabotville Common Historic District |
| Capron, Charles, House |
| Carlton House Block |
| Carpenter, Ezra, House |
| Carter Mansion |
| Cary, Otis, House |
| Center Depot |
| Central Gloucester Historic District |
| Central Mills Historic District |
| Central Square Historic District |
| Central Square Historic District |
| Central Street Historic District |
| Central Woolen Mills District |
| Centre and Montello Streets Historic District |
| Chamberlain-Bordeau House |
| Chamberlain, Samuel, House |
| Chapin Block |
| Charlemont Village Historic District |
| Charles Street Workers' Housing Historic District |
| Charlton Mill |
| Chase's, Oliver, Thread Mill |
| Chatham Windmill |
| Chelmsford Glass Works' Long House |
| Cheney, Alpha M., House |
| Cheney, J. M., Rental House |
| Chester Factory Village Historic District |
| Church Street Historic District |
| City Hall Historic District |
| Cliff Cottage |
| Clinton Wire Cloth Company Historic District |
| Cluett Peabody & Company |
| Coggin, Gilman, House |
| Colburn, Gilbert, House |
| Cole, E. Merritt, House |
| Comins-Wall House |
| Commonwealth Avenue Historic District |
| Commonwealth Shoe and Leather Co. |
| Concord Square Historic District |
| Congregational Church |
| Converse Memorial Building |
| Copeland, Samuel, House |
| Cornell Mills |
| Cowdrey, George, House |
| Crane and Company Old Stone Mill Rag Room |
| Cranesville Historic District |
| Crescent Mill |
| Crocker, Lot, House |
| Crompton Loom Works |
| Cummings, E. B., House |
| Curtis, Noah, House |
| Curtis, Paul, House |
| Curtis, Thomas, House |
| Curtis, William, House |
| Cushman Village Historic District |
| Cutter, Gershom, House |
| Dani and Soldani Cabinet Makers and Wood Workers Factory |
| Daniels, Blake, Cottage |
| Daniels, Frederick, House |
| Davis, Joseph, House |
| Dean-Barstow House |
| Dean-Hartshorn House |
| Dean, Theodore, House |
| Dennison Manufacturing Co. Paper Box Factory |
| Dewey Place |
| Diamond Historic District |
| Dickinson Historic District |
| Dodge Building |
| Dodgeville Mill |
| Dorchester-Milton Lower Mills Industrial District |
| Dorchester Pottery Works |
| Dow, Lenoir, House |
| Dresser, Sylvester, House |
| Duck Mill |
| Durfee Mills |
| Durgin, E. A., House |
| Dwight Manufacturing Company Housing District |
| Eagleville Historic District |
| East Cambridge Historic District |
| East End Historic District |
| East Freetown Historic District |
| East Leverett Historic District |
| East Princeton Village Historic District |
| East Village Historic District |
| East Worcester School-Norcross Factory |
| Eaton, Crane & Pike Company Factory |
| Eaton-Moulton Mill |
| Edgartown Village Historic District |
| Edward's Plain-Dowse's Corner Historic District |
| Elliott, Luther, House |
| Elm Street Fire House |
| Emerson Shoe Company |
| ERNESTINA (schooner) |
| Essex Company Machine Shop |
| Essex Company Offices and Yard |
| Evangelical Free Church |
| Fairbanks-Williams House |
| Fall River Bleachery |
| Farnams Village Historic District |
| Farnumsville Historic District |
| Field, Albert, Tack Company |
Data from United States Park Service and Wikidata
