It is hard to beat the list present at <Quantum computing report>: https://quantumcomputingreport.com/players/[].

The much less-complete Wikipedia page is also of interest: https://en.wikipedia.org/wiki/List_of_companies_involved_in_quantum_computing_or_communication It has the merit of having a few extra columns compared to <Quantum computing report>.

Also of interest: https://quantumzeitgeist.com/interactive-map-of-quantum-computing-companies-from-around-the-globe/


Ciro Santilli @cirosantilli 37

 Incoming links: Quantum computing report