Creator
- Akademie der Künste der Deutschen Demokratischen Republik1
- Aksenov, Vasiliĭ, 1932-20091
- Alexander, William T.1
- Alexandria Drafting Company1
- Allen, Lane & Scott1
- Allgemeiner Deutscher Motosport Verband1
- Amalgamated Meat Cutters and Butcher Workmen of North America1
- American Association of State Highway and Transportation Officials1
- American Political Items Collectors (Organization)1
- American Public Transportation Association1
- American Theatre Association1
- Anson, Abraham1
- Appalachian Trail Conservancy1
- Arena Stage (Organization : Washington, D.C.)1
- Arundel, Arthur M.1