Bitcoin Companies
Finance and Investment
GLBSE- Global Bitcoin Stock Exchange, created by Nefario
Bitcoin Exchange
MtGox- Largest bitcoin exchange, owned by Mark Karpeles
Camp BX- 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