- Keystone Enterprises
- Keystone Executive Mgmt Group
- Keystone Financial Assoc LLC
- Keystone Health Ctr
- Keystone Health Ctr
- Keystone Health Ctr Admin
- Keystone Health Ctr Crisis Hot
- Keystone Home Inspections
- Keystone Nerf
- Keystone Radiator & Glass Shop
- Keystone Residence
- Keystone Threads
- Keystone Women's Care
- KFC
- Kids R Us
- Kimmel Insurance & Financial
- King Buffet
- King Street Elementary School
- King Street United Brethren
- King's Jewelry
- Kirby Of Chambersburg
- Kirchoff's Termite & Pest Cntr
- Kirk W Davis DPM
- Kittochtinny Historical Soc
- Kline's Business Systems
- Kline's Hillside Turkey Farm
- Kline's Lawn Care
- KLR Excavating
- Kmart
- Kmart
- Knepper's Kleen Water
- Knights Of Columbus
- Knouse Foods Co-Op Inc
- Koala-Ty Computers