▁O ’ S ull ivan . ▁The ▁two ▁had ▁developed ▁the ▁idea ▁for ▁ 2 1 st ▁Am end ment ▁bre wer y ▁while ▁att ending ▁a ▁bre wing ▁class ▁together ▁at ▁U C ▁Davis . ▁O ’ S ull ivan ▁had ▁previously ▁worked ▁as ▁an ▁assistant ▁bre wer ▁at ▁Tri ple ▁Rock ▁Bre wer y ▁& ▁Ale house ▁in ▁Ber keley , ▁ 2 0 ▁T ank ▁Bre wer y ▁and ▁Ste el head ▁B rew ing ▁in ▁San ▁Francisco . ▁ ▁The ▁San ▁Francisco ▁Business ▁Times ▁wrote ▁that ▁it ▁" made ▁a ▁name ▁for ▁itself ▁as ▁a ▁local ▁bre wer y ▁and ▁restaurant ▁where ▁So Ma ▁te ch ies ▁could ▁l unch ▁and ▁Gi ants ▁fans ▁could ▁gather ▁before ▁a ▁game ." ▁It ▁has ▁been ▁voted ▁" Best ▁B rew pub ", ▁" Best ▁Bur ger " ▁and ▁" Best ▁Happy ▁H our " ▁by ▁the ▁San ▁Francisco ▁Press . ▁ ▁Prior ▁to ▁ 2 0 1 5 , ▁ 2 1 st ▁Am end ment ' s ▁ret ail ▁be ers ▁were ▁can ned ▁in ▁Cold ▁Spring , ▁Minnesota . ▁In ▁ 2 0 1 2 , ▁ 2 1 st ▁Am end ment ▁planned ▁to ▁case ▁ 4 5 , 0 0 0 ▁bar rel s ▁of ▁be er , ▁up ▁from ▁ 2 8 , 0 0 0 ▁in ▁ 2 0 1 1 . ▁In ▁ 2 0 1 4 , ▁plans ▁were ▁announced ▁to ▁open ▁a ▁production ▁facility ▁and ▁t ast ing ▁room ▁in ▁San ▁Le