- Jo-Ann Fabrics & Crafts
- Joe Offidani Portrait & Fine
- Joe The Plumber
- Johanning's Family Store
- John A Weierbach II DDS
- John B Metzger
- John Bair & Assoc
- John Bridge Sons Inc
- John D Bartges MD
- John D Helm MD
- John F Esbenshade
- John G Douglas DDS
- John H Forry MD
- John H Robertson DDS
- John H Robertson DDS
- John Hancock Financial Svc
- John Hancock Mutual Life Ins
- John Hancock Mutual Life Ins
- John J Corcoran MD
- John J Corcoran MD
- John P Frye
- John R Roush DDS
- John S Tardibuono
- John S Tardibuono
- John's Automotive Svc
- Johnson & Johnson-Merck
- Johnson Medical
- Jolly Time
- Jon G Walker MD
- Jones Dearlerships
- Joseph A Bank Clothiers
- Joseph A Brown
- Joseph E Swatski & Assoc
- Joseph L Calkins MD
- Joseph L Mc Caskey
- Journeys
- Joyce Electric Inc
- Joyce Gibbel Gifts
- Jozefa K Jackson
- JRT Construction Inc
- Judy Morrison's Beauty Salon
- Jukebox Nightclub
- Junior Achievement-Lancaster
- Just For Kids Furniture Sales
- K & A Imports
