- Andrews Museum2
- Andrews Old Town Hall Museum185
- Angelus Campfire Co.1
- Arm & Hammer, New York1
- Arm & Hammer, New York Cow Brand Baking Soda, Church and Dwight Company1
- Arm & Hammer, New York Cow Brand, Church and Dwight Co. 1
- Armour2
- Armour and Company3
- Arvin Industries, Inc.1
- Associated Salmon Packers1
- Association of Hawaiian Pineapple Canners, San Francisco, California1
- Avery Research Center at the College of Charleston1,791
- Baker's1
- Beaufort County Library1,019
- Belknap Hardware and Manufacturing Co., Incorporated1
- Belle W. Baruch Foundation3
- Belle W. Baruch Foundation, www.hobcawbarony.org809
- Berkeley County Library System244
- Berkeley County Library, South Carolina82
- Berlin Mills Company1