Marken in Köln
- Jack & Jones Mode (4)
- Jack Wolfskin (2)
- Jacques' Wein-Depot (14)
- Jaeger Ausbau (1)
- JAEGER Tankstellen (1)
- JAFFÉ Rechtsanwälte (2)
- JalouCity Heimtextilien (2)
- JD Sports Fashion (2)
- JET-Tankstelle (10)
- JLL (1)
- Job AG (2)
- Jochen Schweizer (1)
- Johnson Controls (3)
- Jolifin (1)
- Jonen (1)
- Jordan (1)
- Jugendhilfe Köln (21)
- Jungheinrich (1)
- Jura Intensiv (1)
- Just Fit (11)
- Juwelier Kraemer (2)
- Juwelier Rüschenbeck (3)
- JYSK (2)