Bitcoin Companies

Finance and Investment:

GLBSE- Global Bitcoin Stock Exchange, created by Nefario

Bitcoin Exchange:

MtGox- Largest bitcoin exchange

Ubitex- A bitcoin exchange for putting people living in the same area in touch with each other

Tradehill- Bitcoin exchange based in Chile

Campbx- US based bitcoin exchange founded by Keyur Mithawala

Ruxum= US based bitcoin exchange founded by former head of eBusiness for Citigroup, Chad Pankewitz

Mining:

Marchenko Ltd- sells bitcoin mining contracts