Names
- Harrison Granite Co1
- Hausle, Frank1
- Havender's Monumental Works1
- Havender, Joseph1
- Haveyer, Keith M1
- Heins & LaFarge1
- High-Low House (Greenwich, Conn.)1
- Hoffman & Prochazka1
- Hoffman, F. Burrall (Francis Burrall), 1882-19801
- Hooper, Parker Morse, 1877-1
- Howells and Stokes1
- 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