- Diesel Construction Co., Inc.1
- Diesel Electric Co., Inc.3
- Digby Apartments, Inc.1
- Digby Management Co.1
- Dillerwood Realty Co., Inc.1
- Dilliard Corp.1
- Dimson, Irving1
- Diplomat Co.1
- Diplomat Estates1
- Distinctive Properties, Inc.1
- District of Columbia. Commission on the Improvement of the Park System20
- Ditmas Building Co., Inc.2
- Dole Construction Corp.1
- Dominick Salvati and Son3
- Donald W. Brown, Inc.3
- Donohue Co. Real Estate, Inc.1
- Dorfman and Rogow2
- Dorfman, Boris W.7
- Dorothy Somekh Realty1
- Dorset Builders, Inc.1
- Douglas Elliman-Gibbons and Ives, Inc.5
- Douglas Gibbons and Co., Inc.5
- Douglas Gibbons-Hollyday and Ives, Inc.41
- Douglas L. Elliman & Co., Inc.1
- Douglas L. Elliman and Co., Inc.136
- Douglas Robinson, Charles S. Brown Co.1
- Douglas, Gibbons and Co., Inc.1
- Douglass, Lathrop1
- Dowling, William M.3
- Downe, H. Russell, Jr.1
- Drabner Realty Corp.1
- Drake Apartments, Inc.1
- Dravnstein, Benjamin1
- Driscoll, Arthur E.1
- Drucker, Charles1
- Drucker, Harry1
- Duell, Manny E.1
- Duff V. Conger, Inc.3
- Duff and Conger, Inc.2
- Dunstone Court, Inc.1
- Durand Taylor Co., Inc.2
- Durham Operating Co., Inc.1
- Dwelling Managers, Inc.11
- Dwight-Helmsley, Inc.3
- Dworman Associates, Inc.3
- Dworman Co.1
- E. Osborne Smith, Inc.2
- Earl W. Jimerson Housing Co., Inc.1
- East 7th and Avenue P Corp.1
- East Fiftieth Street, Inc.1
- East Fifty-Second Partners1
- East Hills Property Corp.2
- East Island Management Co.2
- East Lane, Inc.2
- East New York Terminal Buildings, Inc.1
- East Seventeenth Street Co.1
- Eastchester Associates1
- Easterly Co., Ltd.1
- Eastlax Realty Corp.1
- Easton Improvement1