Brands
- Illinois
- Illustrated London News
- Ingersoll
- Ingram Bros
- Inox
- International Silver
- International silver co
- International Sterling
- Intl Silver Co
- Invicta
- ISRAEL FREEMAN & SON LTD Sheffield
- Italian
- IWC
- J & W Deakin
- J B Capron
- J E Caldwell & Co
- J Henderson
- J Nicklas
- J R Rowland
- J W Benson
- J. E. Latimer
- J. Holm
- J. Pooley
- J.B. Morris
- Jacobi & Jenkins
- Jade
- Jaeger Le Coultre
- Jaeger-LeCoultre
- James Dixon
- James Huntington
- Jane
- JD