Quantinuum

IQM, founded in 2018 in Espoo, Finland, builds quantum computers for both on-premises and cloud deployments.

PsiQuantum, founded in 2016 in Palo Alto, California, USA, develops fault-tolerant photonic quantum computers.

Origin Quantum (本源量子), founded in 2017 in Hefei, China, develops full superconducting quantum computers and quantum chips. Benchmarking against IBM, the company is building thousand-qubit and ten-thousand-qubit systems as well as a 12-inch quantum chip pilot line, and has delivered multiple generations of independently developed superconducting quantum computers to government, research, and enterprise customers.

Oxford Quantum Circuits, founded in 2015 in Oxford, UK, launched OQC Toshiko, the worlds first enterprise-grade quantum computing platform - a powerful 32-qubit system deployed in commercial data centers that enables customers in financial services, pharmaceuticals, energy, defense, and government to securely access quantum computing capabilities.

Bose Quantum, founded in 2020 in Beijing, China, develops and manufactures quantum computer products based on coherent optical quantum technology.

Atom Computing, founded in 2018 in Berkeley, USA, develops large-scale fault-tolerant quantum computers based on arrays of neutral atoms held in optical traps, serving enterprises, governments, and research institutions to address the challenges of quantum computing scalability and error correction.