- Anderson and Bremer1
- Andrew Apartments Inc.1
- Angelo, G.1
- Anita Management Corp.1
- Anthony Campagna and Sons14
- Armory Estates, Ltd.5
- Armstrong, Lorenzo D.1
- Arnold M. Goldman and Co., Inc.3
- Artcourt Realty Co.1
- Arthold Realty Co.1
- Arthur Eckstein, Inc.1
- Arthur Hardgrove Co.15
- Asch, Stephen1
- Ascot Estates, Inc.1
- Asher Dann and Sons3
- Asher Dann and Sons, Inc.4
- Ashwood Realty Corp.1
- Astor, Vincent10
- Atlas Terminals, Inc.1
- Atlas, Sol G.10
- Avenue A Apartments Inc.1
- Avenue Associates7
- Avlon, John4
- Axelrod-Walker Corp.3
- Babor-Comeau and Co., Inc.2
- Baker-Lewine Construction Co., Inc.2
- Bardon Realty Corp.1
- Barguard Building Corp.1
- Baron and Lutzky2
- Barr, Irons and Lane, Inc.6
- Bastine and Co., Inc.2
- Beaver, Victor2
- Beck, Letty J.2
- Beckstead, L.M.9
- Beekman Estate2
- Belkind Realty Corp.3
- Belmo Construction Inc.2
- Belrose Realty Co.1
- Bennett Towers Apartments, Inc.1
- Berley and Co., Inc.10
- Bethen Court Realty1
- Bethune Realty Corp.1
- Betina Realty Corp.1
- Bettina Equities, Ltd.2
- Bicken Brothers, Inc.1
- Billig Realty Corp.1
- Bing and Bing, Inc.50
- Birchwood Organization2
- Birchwood Park3
- Bogardus Associates, Inc.1
- Bogdus Holding Corp.1
- Bonafide Estates, Inc.1
- Bonner Realty and Construction Corp.9
- Boomer, Lucius7
- Borchard Affiliates, Inc.6
- Borchard Management Corp.15
- Bosa Building Corp.1
- Boston ConstructionCorp.1
- Bowmark Realty Corp.1
- Boyd E. Wilson and Co., Inc.1