Where are all these different Samuel Adams sold that I see on the commercials?

My Fred Meyers seems like it holds thousands of different micro-brews, lagers, slingers, sliders, and upsiders....they got all the flavors sittin in their brew isle.. but where are all these different strands of Sammy Adams sold?? Lemme get some of that honey bluster, or cherry suckle that these commercials are displayin................