- Hamilton, Iselin and Co., Inc.1
- Hampshire Crescent, Inc.1
- Hampton Investors, Inc1
- Hanroy Realty Corp.1
- Harben-Queens Corp.1
- Harbill Building Corp.1
- Hardy, Brauneis, and Naumann1
- Harick Building Corp.1
- Harlemco Development Corp.1
- Harmon Organization, Inc.1
- Harrison Crescent Associates1
- Harry Hoens, Inc.1
- Harry Siegel Associates1
- Harry and Charles Drucker1
- Hatland Estates, Inc.1
- 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
- Heatherwood1
- Hegeman Harris Co., Inc.1
- Hehring Brothers Inc.1
- Heights Apartments, Inc.1
- Hej Realty Corp.1
- Hemco Realty Corp.1
- Hempstead Realty Corp.1
- Henkim Realty Corp.1
- Henry Hudson Equities, Inc.1
- Henwin Realty Corp.1
- Herbert Albert Corp.1
- Herkimer Industries1
- Herman, Milton1
- Hermax Construction, Inc.1
- Herrick Manor, Inc.1
- Heydorn Realty Corp.1
- Hidson and Grove Strees Inc.1
- High Grade Land Corp.1
- Highway Properties, Inc.1
- Hill Top House, Inc.1
- Hilldale Properties Inc.1
- Hillpark Development Corp.1
- Hilmer Realty Corp.1
- Hilton Builders Corp.1
- Hines and Hines, Inc.1
- Hitlin, Paul S.1
- Hodgman1
- Hofka Realty Corp.1
- Holiday Holding, Inc.1
- Holliswood Hills Apartments, Inc.1
- Home Specialists1
- Homebound Building Corp.1
- Homecrest Development Corp.1
- Homefinders, Ltd.1
- Horace Ely and Co.1
- Horace I. Kaplan and Son1
- Hotpoint1