Google

Perks are phenomenal! Projects are extremely high impact. The company trusts engineers to "do the right thing" and prefers to give engineers information so they can make decisions, instead of hoarding information to make the decisions themselves. Engineers get all the best tools (big monitors, lots of computing resources) and don't have much red tape getting normal stuff done.

Career progress into management is a little tough, as there's no "Supervisor" role, and the Managers usually have >50 people reporting to them. It can be done, but it's easier to stay in the engineer track.

Management is doing well, but it's getting harder and harder to keep things Googley as the company grows. They need to focus on this more than they do.