Only Companies and Claims that were Registered or offered Prospectus or Shares are listed below.
Where a name "and Co." is seen on any maps or plans these have not been included but do appear in the Alphabetical Index above. The definition of the phrase "and Co." from the Collins dictionary states you use "and Co." after someone's name to mean the group of people associated with that person.

Names listed in Blue rate a special mention in that they indicate they were unique in their mining undertaking or may not have been genuine, in respect to the later the descriptions given in their Prospectus' did not relate to either their location or size of the ground, etc.