# Quantum companies in California, CA

Browse quantum companies with an address in California. An address does not define a service area.

1 quantum company. Also on the [web page](https://quantumcompanies.fyi/us/ca/california).

## Quantum companies

1. [Rigetti Computing](https://quantumcompanies.fyi/us/ca/california/rigetti-computing.md), Quantum hardware, California: Builds quantum computers and quantum processing units, including the nine-qubit Novera system, using dilution-refrigerated hardware.

## Categories in California

- [Quantum hardware](https://quantumcompanies.fyi/us/ca/california/category/quantum-hardware.md): 1 quantum company

## Questions

### How many quantum companies are in California?

Quantum Companies lists 1 quantum companies with an address in California, CA.