- William H. Ward & Co.
- Williams, Mary Ann
- Williams, Samuel
- Williams, Thomas
- Willmann, Édouard
- Willmore, Arthur
- Willmore, James Tibbits
- Winkles, Henry
- Wögel, Hermann
- Woods, Henry N.
- Wrankmore, William Colley
- Xylographic Institute of Kaspar Braun & von Dessauer
- Yon & Perrichon
- Zscheckel, Carl August