|
| A.N. Abell Auction Company, Los Angeles, CA, USA |
| Antiquitäten & Auktionshaus Adamski, Konstanz, Germany |
| Ader, Paris, France |
| Remi Ader, Paris, France |
| Adjug'art, Brest, France |
 Agra-Art, Warsaw, Poland |
| Claude Aguttes, Neuilly-Sur-Seine, France |
| Ahrenshooper Kunstauktionen, Ostseebad Ahrenshoop, Germany |
| AJC Auction Co Ltd, Tokyo, Japan |
| Kunst und Auktionshaus Aldag, Buxtehude, Germany |
| Alderfer's Auction Gallery, Hatfield, PA, USA |
| Allard Auctions, Inc., St. Ignatius, MT, USA |
| Altermann Galleries & Auctioneers, Santa Fe, NM, USA |
| Altermann Modern, Santa Fe, NM, USA |
| Amberes Veilingen, Antwer |
