- John B Brown Funeral Home Inc
- John C Yenter Assoc
- John R Figard Custom Cabinets
- John R Wald Co
- John's Locksmith Shop
- John's Welding Shop
- Johnny's Bar
- Jon's Garage
- Joseph Biddle Publishing Co
- Juniata Clean Water Partnershp
- Juniata Clean Water Prtnrshp
- Juniata College
- Juniata Country Lodge
- Juniata River Svc
- Juniata Valley Tri-County Mtl
