WikiRate organizes data about companies using Metrics. A WikiRate metric is a formal question about a company that can have one answer for any given year.
What companies supply this company?
Which companies are controlled (partially or wholly) by the referred company?
What factories does this company own?
Which companies supply Gold to this company?
Which companies supply Tin to this company?
Which companies supply Tantalum to this company?
Which companies supply Tungsten to this company?