Well, what do you mean by "Bitcoin company"? Are there no retailers larger than Coinbase now accepting Bitcoin? Such companies may not base their entire busines

Well, what do you mean by "Bitcoin company"? Are there no retailers larger than Coinbase now accepting Bitcoin? Such companies may not base their entire business around it, but the goal of Bitcoin is meant to be a widely-used medium of exchange. It's not necessarily bring about large companies on its own. And what would a "US Dollar company" be, if not a bank, anyway?