Who (which companies) are some of the greatest / biggest chess sponsors / supporters in history and in recent years?

Some of the obvious company names are: IBM, Intel, Excalibur, Deutsche Sparkassen, DSB, Grenke Leasing AG , etc.

Some of the obvious individuals are: Joop VanOosterom, Dato Tan Chin Nam, etc.

However, in recent years, there are many new sponsors such as HB Foundation (out of business now), Jorge S. / AKRO, etc.

Can you name more?
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