- Berkley Feed Corp.1
- Bewley Mills3
- Bewley Mills Warehouse1
- Birdsey Flour Mills1
- Bishopville Milling Co.3
- Blair Elevator Corp.1
- Blair Elevator Corporation1
- Bobbins Bros. Milling Co.1
- Bonacker Brothers, Inc.1
- Boyd Brothers1
- Brown Milling Co., a partnership, Gallatin, Tenn., and William S. Brown and Thomas H. Reid, partners1
- Buffalo Merchandise Warehouse1
- Bundy Bros. Mill Co.3
- Bundy Brothers Mill Co.2
- Burnside Milling Co.2
- Burnside Milling Co., a partnership, Burnside, Ky., and Oscar W. Robinson and John O. Robinson, partners1
- C. A. Krause Milling Co.1
- C. D. Kenny Division1
- Cadick Milling Co.4
- Cadick Milling Co., a corporation, Grand View, Ind.1