- Keystone Ribbon & Floral Supl
- Keystone State Discount Mart
- KFMR KATZ Ferraro Mc Murray
- KHM Financial Inc
- Kids Foot Locker
- Kim Do Oriental Grocery
- Kimberley J Geary Attorney
- Kimmich & Wilding
- Kirby Electric
- KIRK Dial Of Pennsylvania
- Kirkpatrick & Lockhart
- Kirkpatrick Nicholson Graham
- Kirner's Catholic Book Store
- Klavon Design Assoc
- Klavon's Twenty Eight Street
- Klett & Assoc
- Klink & Co Inc
- KML Sales Inc
- Koerner Colarusso & Bloom
