J
| Unternehmen | Signatur |
| J. Banning Aktiengesellschaft | C 6/48 |
| J. Brüning & Sohn AG | F /3 |
| J. M. Voith GmbH | C 6/52 |
| J. P. Bemberg AG | D 11/6 |
| J.P. Morgan & Co. Incorporated | J /63 |
| J Sainsbury plc | G 3/22 |
| Jacobs Suchard | E 9/1 |
| Jagenberg-Werke | D 8/6 |
| Japan Airlines Company | K 5/13 |
| Jefferson SMURFIT Group plc | D 8/36 |
| Joh. Friedrich Behrens AG | C 11/23 |
| Joh.-A.-Benckiser-GmbH | D 14/16 |
| Johnson & Johnson | D 2/58 |
| Julius Berger AG | F /1 |
| Jute-Spinnerei und Weberei | D 11/20 |