Names
- Marcotrigiano, Nicholas1
- Mayers, Murray & Phillip1
- Mayers, Murray and Phillip, Bertram G. Goodhue Associates1
- McDonnell & Sons1
- McKim, Mead & White1
- McNeel Marble Company (Marietta, Ga.)1
- Mead, George L1
- Milne & Chalmers, inc1
- Mink & Eagers1
- Moran, William Edgar1
- Mosel, Joseph E1
- Necarsulmer & Lehlbach1
- Necarsulmer, Edward1
- New England Granite Works1
- Olmsted Brothers1
- Partridge, William Ordway, 1861-19301
- Peabody & Stearns (Boston, Mass.)1
- Peabody, Wilson & Brown1
- Peacock Memorial Studios1
- Peacock Memorials1