- Ja
- JA SOLAR
- JA SOLAR HOLDINGS CO. LTD.
- JAB ANSTOETZ Carpets
- JAB ANSTOETZ Contract
- JAB Anstoetz Furniture
- Jab studio
- Jabss Mobiliari
- Jac Jamad
- JAC studios
- Jacco Maris
- JACIR AIR TRAITEMENT
- Jack London Kitchen & Bath Gallery - Redwood City
- Jackie Choi Design
- Jackle Design featuring Rotpunkt Kuechen
- JACKON INSULATION GMBH
- Jackson Clements Burrows
- Jacksons Fencing
- JACKY.W DESIGN (JWD)