- Bigelow & Dowse Co.4
- Biggert, Robert1,912
- Binghamton Motor Car Co.1
- Bintiff - M'fg' - Co.1
- Blandy's Portable Engine Works1
- Bliss, Moore & Co.1
- Bloomingdale's1
- Boden & Graehl1
- Bohn Mfg. Co.1
- Bolster, Snow & Co.1
- Boody House1
- Boston Belting Company2
- Boston Enterprise Manufacturing Co.1
- Boston Herald Co.3
- Boston Music Company1
- Boston Post1
- Boston Woven Hose & Rubber Co.1
- Bostwick Steel Lath Co.1
- Bourbon Copper and Brass Works1
- Bowker, Torrey & Co.1
- Bradas & Gheens1
- Bradley & Smith1
- Brazil Bank1
- Bridge & Beach M'f'g Co.1
- Bridgeport Wood Finishing Co.2
- Brigham, Hopkins Company1
- Brittan, Holbrook & Co.1
- Brodhead & VanWagenen1
- Brooklyn Daily Eagle1
- Brotherhood Wine Co.1
- Brown & McCully1
- Brown, Bill & Co.3
- Brown, Durrell & Co.8
- Brown, Thompson & Company1
- Browning, King and Co.1
- Brunswick-Balke-Collender Co.2
- Buck's Stove and Range Company1
- Buckeye Mines1
- Buffalo Forge Co.3
- Buffalo Specialty Company3
- Buffalo Storage and Carting Company1
- Burch Plow Works1
- Burdett, Paris & Co., Troy Stove Works1
- Burditt & Williams2
- Burdsal, Bros & Co.1
- Burlington Grocery Co.1
- Burnham, Hanna, Munger & Co.1
- Butler Brothers5
- Butte Potato & Produce Co.1
- C. & A. Wilder1
- C. & G. Cooper Co.1
- C. A. Barrows1
- C. A. Turner, Incorporated1
- C. Berry & Co.3
- C. C. Webster1
- C. C. Whitmeyer1
- C. E. Roe & Co.1
- C. F. Livingston's Job Printing House1
- C. G. Brown Furniture Co.1
- C. H. & E. S. Goldberg1