GS1 are the ultimate gate keeping monopoly. They provide numbers as a service.
Most retailers like Amazon require you to have a GS1-issued barcode number on your product, and so you need to pay GS1 annually for the right to use a particular number. You can see the pricing here:
https://www.gs1us.org/upcs-barcodes-prefixes/how-to-get-a-up...
That's $250 upfront and $50/year for the right to use 10 numbers. What a business.
They get away with it by being a (tax-exempt) non-profit.
According to ProPublica, the CEO of the US division (Robert Carpenter) earned US$3.3 million in 2022.
https://projects.propublica.org/nonprofits/organizations/362...