Unfortunately, you can't. Those identifiers are only helpful within the same application, but they don't actually get physically broadcasted in the bluetooth packets.
An alternative would be for the app to act as a peripheral and advertise services and characteristics which contain this company identifier value, but this approach is not as passive as iBeacons and would require a central to actively connect to the peripheral and read the characteristic values. It's not as hard as it sounds, but really depends on your use case.