Kelsen Brewing Company opened its doors in Derry, NH on March 1, 2014.  Kelsen is known for pushing the limits of beer styles, while maintaining an intense focus on brewing highly drinkable craft beers.  Kelsen beers include Battle Axe IPA, Paradigm Brown Ale, Spacetown Pale Ale and Double Battle Axe Imperial IPA.  The Derry, NH brewery is a 3 BBL brewhouse producing approximately 500 BBL of beer each year.  The Tasting Room is open to the public on Thursday, Friday and Saturday.