There seem to be a lot of enthusiasts of this kind of idea, and certainly there must be 100 people like this here on this forum in the US. Can they point me to one such one here that is high performance?

Plus or minus tiny details, the description from the article:

  A demand co-op is a cooperative that pools and directs the spending power of its members. Demand determines what gets built, who survives, and where wealth flows. Most communities already have enormous spending power, but because that demand is unorganized, the value created from it is captured by outside businesses and investors. A demand co-op coordinates that spending so economic activity can build communal businesses, assets, and long-term ownership instead of constant leakage.

* https://en.wikipedia.org/wiki/CBH_Group