Uinta: They use a bottled on and best before date. The best before date is on the 10 oz. cans and bottles, bottled on date is on the 750 ml. bottles.

Uncommon Brewers: They use a packaging date which is on the bottom of the can. Format is MM/DD/YY.

Upland: They use a bottling date. From information we have seen the brewer states that every bottle has a label notch on the left hand side showing month and year of bottling. They give their beer 3 to 4 month shelf life depending on which beer.

Upright: They use a packaging date. From information we have seen the brewer states that they bottle condition them for a month at the brewery before sending them out. They started labeling the boxes with dates that are one month after bottling. 

Upstate: They use a canned date which is a sticker on each 4-pack.

Upstream: They use a brewed on and bottling date. They only do small batches of barrel-aged brews in bottles.

Urban Chestnut: They use a packaging date.