Photonic specializes in quantum computing and networking technologies within the quantum technology sector. The company's main offerings include a quantum computing platform that utilizes the memory and computing capabilities of spins and the connectivity of photonics, industry-specific quantum algorithms, and quantum networking services. Photonic's technology primarily serves governments, academia, and corporations across various industries seeking to harness the power of quantum computing. It was founded in 2016 and is based in Coquitlam, Canada.

ORCA Computing specializes in the development of full-stack photonic quantum computers, focusing on the technology sector and quantum computing industry. The company offers modular, fiber-interconnected quantum computing systems designed to enhance performance, scalability, and usability for applications such as machine learning and optimization. ORCA primarily serves government and enterprise clients, guiding them from the discovery to deployment of quantum applications. It was founded in 2019 and is based in London, United Kingdom.

Quandela operates in the quantum technology sector. Its offerings include quantum processors, simulators, algorithms, and consulting services. Quandela's products support the development and implementation of quantum computing algorithms and protocols. It was founded in 2017 and is based in Massy, France.

QuiX Quantum specializes in photonic quantum computing and operates in the quantum computing hardware sector. The company offers photonic quantum computing solutions that utilize light particles for information processing, and its products include a universal quantum computer, a special-purpose quantum computer, and a quantum photonic processor. It primarily serves the supercomputer industry. The company was founded in 2019 and is based in Enschede, Netherlands.

Xanadu provides a quantum photonic platform. Its platform uses artificial intelligence (AI) to integrate quantum silicon photonic chips into existing hardware to build a full-stack quantum computer. It enables clients to receive a quantum technology-based computing facility using a photonic cluster state technology and easily solve business problems. The company was founded in 2016 and is based in Toronto, Canada.

PsiQuantum is a quantum computing company focused on building commercially viable silicon photonic quantum computer. The company offers design and construction of utility-scale quantum computers utilizing a photonics-based architecture. It also engages in research and development of applications for quantum computing that address problems in various sectors. PsiQuantum was formerly known as PsiQ. It was founded in 2015 and is based in Palo Alto, California.