- Wallingford, Daniel K.1
- Wangersheim, S.1
- Watson, Gaylord1
- Webster, Albert L1
- Welch, B. T. (Bartholomew Trow), 1794-1871.1
- Welch, Joseph (Cartographer)1
- Welcke, Robert A.1
- Welland, George.1
- Wells, Edward, 1667-17271
- Wesselius, Sybrant, b. 1859.1
- Westcott, G. C. (George C.),Brady, Hugh, d. 1851.1
- Westcott, John, 1805-18891
- Western Map Depot.1
- Wheeler, George M. (George Montague), 1842-19051
- Whipple, R, surveyor.1
- Whitman & Breck.1
- Whitman, Charles Rudolphus, b. 1847.1
- Whitney, J. D. (Josiah Dwight), 1819-18961
- Wickes Brothers.1
- Willdey, George.1