- Junkyard
- Janitorial service
- Junk dealer
- Japanese restaurant
- Jaguar dealer
- Jeep dealer
- Jewelry store
- Jeweler
- Jewelry designer
- Judicial auction
- Jeans shop
- Japanized western restaurant
- Japanese curry restaurant
- Japanese regional restaurant
- Jewish restaurant
- Jujitsu school
- Judo school
- Joiner
- Juice shop
- Janitorial equipment supplier