Anchor Brewing Company is often called the first craft brewery in America. It operates the largest factory in San Francisco, and the company has deep historical roots in the City by the Bay.

But then, so does the International Longshore and Warehouse Union (ILWU).

Last week, workers at the Anchor brewery announced they were attempting to join the ILWU. “Anchor is a San Francisco tradition,” they wrote in a petition announcing their intent to unionize and soliciting public support. “It used to be one of its best places to work — and it can be again.