- Aurand, Henry S., 1894-19802
- Austin and Sheinkopf32
- Avins, Alfred1
- Axelrod and Associates34
- Ayub Khan, Mohammad, 1907-19741
- BMC Advertising10
- Baba, Frank S. (Frank Shōzō), 1914-20081
- Bacchus, Jim, 1949-1
- Bachman, Charles William1
- Badre, Albert Y., 1912-1
- Bagby, Grover C., 1942-1
- Bailey, Lauerman and Associates4
- Baker, Howard H., Jr. (Howard Henry), 1925-20143
- Baker, James Addison, 1930-1
- Baker, Nancy Kassebaum, 1932-2
- Baldwin, Andy1
- Ball, Joseph H. (Joseph Hurst), 1905-19933
- Ballard, Russell Jack2
- Bancroft Company (San Francisco, Calif.)1
- Bank of East Asia1
