- Keystone KIA
- Keystone Nazareth Bank & Trust
- Keystone Supply Outlet LLC
- Keystone Travel Medicine
- KFC
- Khubchandani-Stasik-Rosen
- Kiddie Corner
- Kids Koture
- Kids Peace
- Kids Spot
- Kidspeace School
- Kilareski Construction Inc
- Kincel & Co
- King George Inn
- King's Bakery
- King's Management & Dvlpmnt
- King's Market
- King's Pharmacy
- Kinnon Keepsakes
- Kiriposki & Sons
- Kleckner Audiology
- Kmart
- Knopf Automotive
