SOS Colorado Business Entities (corporations, LLCs, etc.) registered with the Colorado Secretary of State. The business registration goes back to the 1800's, with over 1 million records available. Contains business name, principal address, mailing address, owner name, owner address, entity status, type and creation date. Business location is geocoded and is referenced in the location field using the Principal Address information, however location is not guaranteed to be physical location of business in every case. As of January 2015 there are over 1.3 million unique business id's registered with the state of co, and there is a (very rough) average of 2,000 new businesses added each week.