In the business world, it’s fairly easy to recognize success. High year-over-year growth, robust customer retention rates and low costs for customer acquisition all point to a company going in the right direction. But when it comes to status symbol, nothing indicates the presence of a giant quite like a big valuation.

Los Angeles and Orange County have the perfect climate for unicorns. But who was the fastest? Jockied by now legendary founders like Elon Musk and Evan Spiegel, these seven unicorns all strode across the finish line at different times in the last 15 years. There are a few LA startups that have made the final turn.