- Kiosk
- Kitchen supply store
- Kennel
- Kitchen furniture store
- Key duplication service
- Kitchen remodeler
- Kebab shop
- Knife store
- Knit shop
- Kosher restaurant
- Knitwear manufacturer
- Kindergarten
- Kickboxing school
- Kung fu school
- Karate school
- Kosher grocery store
- Kinesiologist
- Karate club
- Karaoke bar
- Kite shop