- Hanover Properties, Inc.2
- Hanover, M.J.2
- Hanroy Realty Corp.1
- Harben-Queens Corp.1
- Harbill Building Corp.1
- Harde and Hasselman1
- Hardy, Brauneis, and Naumann1
- Harlemco Development Corp.1
- Harley Management Co.6
- Harmon Organization, Inc.1
- Harper Management1
- Harris, Newmark and Co.1
- Harrison, Hubert H.6
- Harry L. Osias Building Construction7
- Harry Siegel Associates1
- Harry and Charles Drucker1
- Harvey, Tuck1
- Harway Terrace, Inc.1
- Hatland Estates, Inc.1
- Hausman and Rosenberg1
- Haven Building Corp.1
- Haves, Morton M.1
- Hawley Terrace Management Co.1
- Hawthorne Apartments, Inc.1
- Hawthorne Construction Corp.1
- Hayes Avenue Apartments, Inc.1
- Hazel Towers, Inc.1
- Hearn, Ralph1
- Hegeman Harris Co., Inc.1
- Hehring Brothers Inc.1
- Heidrich, Stephen L.2
- Heights Apartments, Inc.1
- Heindsmann, Theodore E.2
- Heller, Al2
- Heller, Simeon1
- Helmle and Corbett1
- Helmsley-Spear, Inc.27
- Hempstead Realty Corp.1
- Henkels, Charles H.3
- Henry A. Klar Realty1
- Henry Fippinger, Inc.4
- Henry Hudson Equities, Inc.1
- Henry Norman Associates Builders2
- Henry Phipps Estates2
- Henry Puchall and Co.2
- Herbert Albert Corp.1
- Herbert Charles and Co., Inc.76
- Herbert Fleischer Associates1
- Herbert and Clarence Lillien2
- Herbert, McLean, Purdy Management Corp.4
- Herkimer Industries1
- Herrick Manor, Inc.1
- Hess Associates2
- Heydorn Realty Corp.1
- High Grade Land Corp.1
- Hill Management Co.3
- Hill Top House, Inc.1
- Hillside Holding Corp.2
- Hillyer and Bell1
- Hilmer Realty Corp.1