Main contributor
- Alka-Seltzer1
- Allerest2
- Allstate1
- Alpine1
- Alpine Cigarettes1
- Amana2
- Amazing1
- American Business1
- American Cancer Society2
- American Cancer Society, New York Division1
- American Cyanamid Creslan1
- American Institute of Architects1
- American Machine and Foundry1
- American Motors1
- American Red Cross3
- American Toys2
- American Transistor Toy Corporation1
- Amigos Shoes1
- Amoco Tires1
- Anacin1