Names
- Howells, John Mead, 1868-19591
- Hull, Washington1
- Hunt & Hunt1
- Hunt, Richard Morris, 1827-18951
- Huntington, Anna Hyatt, 1876-19731
- Inglis, James1
- J. & R. Lamb Studios1
- J.F. Manning Co., inc1
- J.L. Wegenaar Co., inc1
- John M. Gessler's Sons1
- Lavery Granite Co., inc1
- Lazzari & Barton Co1
- Leland & Hall Co1
- Levison, J. J (Jacob Joshua), 1881-19611
- Lewis, Colt, Abro1
- Little & O'Connor1
- Lord & Hewlett1
- Lutyens, Edwin Landseer, Sir, 1869-19441
- Manhattan Monument Co1
- Marc Eidlitz & Son1