My list would look something like this (my list is alphabetical, as I wrote them down as I thought of them, so as not to provide duplicates, you're going to want to map a "shortest distance staggered" route):
Allagash,
Avery,
Bell's (obviously),
Bison,
Brooklyn (I mean, c'mon, how can you not like a company who makes a "Black Ops": ...),
The Bruery,
Dogfish Head (obviously),
Duck-Rabbit,
Goose Island,
Great Divide,
Lagunitas,
Left Hand (obviously),
Pike,
Rogue,
Russian River,
Sierra Nevada,
Smuttynose,
Southern Tier,
Stone,
Terrapin,
Three Floyds,
Three Skulls (hey, maybe Black Bonny will be making an appearance!),
Tommyknocker,
Troegs (right next to Weyerbacher),
Victory (right next to Weyerbacher),
Weyerbacher (obviously).