- Barclay Plaza Association5
- Bardon Realty Corp.1
- Barg Estates, Inc.1
- Barguard Building Corp.1
- Barkin, Samuel1
- Barlau Estates, Inc.1
- Barnaby-Sutton Realty Co.1
- Barnard, Sumner, and Putnam Company1
- Barnes & Park1
- Baron and Lutzky2
- Barr, Irons and Lane, Inc.6
- Basil, W. de1
- Bates, Allan Bradley3
- Bauch & Sons Company1
- Bawo & Dotter5
- Bay Plaza Apartments, Inc.1
- Bay Ridge Development Corp.1
- Bay Shore Gardens, Inc.1
- Bay St. Landing Associates1
- Bayle, Lacoste & Co.1
- Bazin, Louis1
- Beach 22 St. Holding Corp.1
- Beach Property Corp.1
- Beards & Cummings1
- Beaumont Development Corp.1
- Beck, Letty J.1
- Becker, Samson V.12
- Beckstead, L.M.8
- Beeson Paper Co.1
- Beethoven, Ludwig van, 1770-18272
- Behning & Son1
- Belkind Realty Corp.1
- Bellcourt Gardens, Inc.1
- Bellini, Vincenzo, 1801-18351
- Belmo Construction Inc.2
- Belrose Realty Co.1
- Benar1
- Benedict & Burnham Mf'g Co.1
- Benedict Mfg. Co.1
- Benenson Management Co., Inc.1
- Bennett, Sloan & Co.3
- Bennett, William F., Jr.10
- Benson Gardens, Inc.1
- Benson Operating Corp.1
- Bentley & Gerwig Furniture Co.1
- Berfond, Meyer10
- Bergen Associates Corp.3
- Bergen Beach Towers, Inc.1
- Berger-Tilles1
- Berkshire Apartments, Inc.1
- Berley and Co., Inc.1
- Berlinger and Kaufman, Inc.2
- Berlinger, J.M.1
- Bernard Rothzeid and Partners, P.C.18
- Berry Seed Co.2
- Bertram, James, 1872-19341
- Besen Enterprises, Inc.1
- Besnet Holding Corp.2
- Bethen Court Realty1
- Bethune Realty Corp.1