“It turns out that companies willing to challenge old school business models also are willing to extend this philosophy to their corporate culture and benefits,” Paul D’Arcy, senior vice president at Indeed, said in a press release. “Millennials, now the largest percentage of the workforce, prefer working for industry disruptors and their progressive cultures, which provide things like flexible work arrangements, flat organizational structures and on-site amenities.”
For example, Southwest Airlines workers praised the company for its tendency to "spoil its employees" with perks and benefits like free food, free travel (including children and spouses), and company parties. Overall, the culture and quality of the companies' work environment correlated with higher scores than their compensation packages. If you've ever worked at a place with an open beer keg, ping pong tables, and and endless snacks throughout the office, this should make a lot of sense.
Indeed has the full list and more info over at its website, but here's the top 25: