There are currently tens of thousands of businesses accepting bitcoin. But here are some rather large businesses that is a lead for other businesses to follow suit to accept bitcoin. Please post any others I've missed. Overstock.com Expedia Holiday Inn TigerDirect
And here is a list of places that allow you to order precious metal with bitcoin: Amagi Metals BitGild Agora Commodities Coinabul Gold Silver Bitcoin
Satellite TV operator Dish Network will be the largest company to date to accept Bitcoins (starting July 1, 2014). Market cap $27.06B. http://www.reuters.com/article/2014/05/29/us-dish-network-bitcoin-idUSKBN0E911T20140529 http://www.marketwatch.com/investing/stock/dish