Ask HN: What Bay Area Companies Have Good Educational Support Programs?

I'm currently an employee of a company down the peninsula. One of my career goals is to get an MBA to help advance my understanding of business practices, expand my network, and increase my net worth. My company currently has some tuition assistance, but it maxes out at about 10% of what an executive MBA costs. I'd like to understand what else is out there in terms of companies with good tuition assistance policies. Who does this really well?