Latest valuation: $718.69 billion
Perks: Free meals at all hours of the day, free cooking classes and speaker series featuring authors, creatives, and celebrities, onsite massage therapists, tuition reimbursement, Google buses...and get this: Death benefits. "Google gives the surviving spouse or partner of a deceased employee 50 percent of his or her salary for the following 10 years after his or her death," says this list of unusual work perks on Glassdoor.