Silicon Valley can seem like the center of the business world. While tech giants get a lot of the attention and headlines, Google is the only one in Forbes’ top 10 list of employers. There are three grocery stores on the list: Trader Joe’s, Wegmans, and Costco. If you picture an exciting, ideal work environment, it probably isn’t the cavernous, warehouse interior of a Costco. The lesson is clear: how you treat your employees is even more important than how sexy the work is. Read more about what Costco employees cited as the best parts about working there in this Business Insider story.