- John E Van Allen
- John F Lyons
- John Gerard Devlin & Assoc
- John M Glace Law Offices
- Johnson's Piano Movers
- Jones Chiropractic
- Joseph A Klein PC
- Joseph B Sobel Law Offices
- Joseph J Dixon Law Office
- Joseph W Levendusky Nursery
- Judicial Conduct Board
- Jupiter Veterinary Products
- Just Us Rentals
- Juvenile Offenders Section
