- Coronet Management Corp.1
- Cortelyou Building Corp.1
- Cortelyou Gardens Corp.2
- Cortley Realty Corp.1
- Cosentini Associates1
- Cosmopolitan Properties, Inc.1
- Country Hill Corp.1
- Court House Realty Corp.1
- Court and Montague Realty Corp.2
- Courtway Realty Corp.1
- Covington Builders, Inc.3
- Cowan, Louis2
- Crausman, I.L.7
- Crescent Holding Corp.1
- Crest Apartments, Inc.1
- Crestwood Construction Corp.2
- Cross Properties, Inc.4
- Cross and Brown Co.58
- Cross and Cross4
- Cruikshank Co.15
- Cubler Construction Corp.1
- Culver Associates, Inc.4
- Culver, Hollyday and Co., Inc.6
- Curtis Properties, Inc.1
- Curvin, Michael P.2
- Curzon Apartments, Inc.1
- Cushman and Wakefield, Inc.49
- Cutler, Arthur1
- D'Esposito, Anthony, Jr.2
- D. Napoli and Salierno, Inc.1
- D.S. 90th Street Associates1
- D.S. Wasserman Associates1
- DBF Construction Corp.1
- DBS Associates2
- Dale Holding Corp.2
- Dana Main Building Corp.1
- Danin, Alex3
- Dartmoore Realty Corp.1
- David Isacowitz and Sons1
- David Kenneth Specter and Associates1
- David W. Frankel2
- Davis, Brody and Associates1
- Day, Harry A.1
- De Koven Realty Corp.1
- De Pace and Juster2
- Del Gaudio, M.W.1
- Delagart Realty Corp.3
- Delgais Realty, Inc.1
- Delmar Management Co.1
- Denberg, Louis1
- Denihon, B.J.1
- Denn Apartments, Inc.1
- Dennington Builders, Inc.1
- Development Services, Inc.3
- Di Giovanna and Graziano1
- Di Vincenzo, Tito3
- DiNapoli and Salierno, Inc.1
- Diamond, Arthur4
- Diamond, Sidney4
- Dick Realty Corp.1