| Brewery | Location |
|---|---|
| Isle of Skye Brewing Company | Isle of Skye, United Kingdom |
| Isley Brewing Company | Richmond |
| Issaquah Brewhouse | Issaquah, Washington |
| Ithaca Beer Company | Ithaca, New York |
| J. Wakefield / Late Start Brewing | |
| J. Wakefield Brewing | Florida |
| J.K.'s Scrumpy | Flushing |
| Jack Pine Brewery | Baxter, Minnesota |
| Jack Russell Brewing | Camino, California |
| Jack's Abby | Framingham, MA |
| Jack's Abby + Evil Twin Brewing | |
| Jack's Brewing | Fremont, California |
| Jack's Hard Cider | Gettysburg |
| Jackalope Brewing Company | Nashville, TN |
| Jackdaw Brewers | Sweden |