Iceni	http://www.icenibrewery.co.uk/
Innis & Gunn Brewing Co Ltd	http://www.innisandgunn.com
Interbrew UK Ltd	http://www.inbev.com
Inveralmond	http://www.inveralmond-brewery.co.uk/home.htm
Islay Ales Co Ltd	http://www.islayales.com
Isle of Arran Brewery	http://www.arranbrewery.com
Isle of Mull Brewing Co Ltd	http://www.btinternet.com
Isle of Skye Brewing Co (Leann an Eilein) Ltd	http://www.skyebrewery.co.uk
Itchen Valley	http://www.itchenvalley.com/help/index.htm
Itchen Valley Brewery Ltd	http://www.itchenvalley.com