Single Quantum is a manufacturer specializing in superconducting single photon detectors, established in 2012. The company produces high-quality light detectors designed for optical imaging and telecommunication systems, capable of detecting individual photons, making them ideal for advanced applications in quantum communication, cryptography, infrared fluorescence spectroscopy, and laser ranging. Single Quantum also offers a multi-channel detection system that has been adopted by over 80 academic and industrial labs globally, providing exceptional detection efficiency and time resolution.

Quantum Opus is a manufacturer of advanced superconducting nanowire systems designed for high detection efficiency and low-noise performance. Their compact (3U-rack sized) systems are user-friendly, catering to researchers with varying levels of cryogenics experience. Quantum Opus offers standard products optimized for detection near 950 nm or 1550 nm and custom-built detectors tailored to customer specifications, including optimized wavelengths, broadband response, and mid-infrared detection. The company provides superconducting photon counting solutions targeted at applications in quantum optics, quantum computation, photon-starved optical communication, low-flux biophotonics, and fluorescence measurements.

Quantum Detectors, founded in 2007, is a market-leading manufacturer of advanced direct electron detectors and readout solutions utilized in Transmission Electron Microscopy (TEM) and synchrotron radiation facilities globally. The company specializes in high-performance imaging detectors, including the MerlinX X-Ray imaging detector and the HEXITEC detector, which accurately measures the energy and position of photons in the 4-200 keV range. Their readout systems, such as the Xspress 3, are recognized for their capability to access high-quality beamline data. Quantum Detectors collaborates with premier laboratories and universities, commercializing technology developed from esteemed institutions like CERN and the Science & Technology Facilities Council.

PsiQuantum is a manufacturer focused on developing large-scale, error-corrected, general-purpose quantum computers utilizing photonics technology. The company aims to create a useful quantum computer capable of solving complex problems deemed impossible by conventional computing. Its offerings include advanced quantum computing hardware, with a team of experts in quantum physics, semiconductor systems, software engineering, and system architecture, dedicated to leveraging quantum technologies to drive advancements in various fields such as medicine, energy, and finance.

Quantum Solutions is a manufacturer specializing in quantum dot technologies for wide-range sensing and imaging systems. The company develops and produces quantum dot materials and sensors capable of detecting light in the short-wave infrared, middle-wave infrared, ultraviolet, and X-ray ranges, surpassing the limitations of traditional silicon technologies. Founded in 2017 and based in Southampton Science Park, Quantum Solutions serves a diverse range of applications, including machine vision, medicine, consumer electronics, and automotive industries. Their innovative products enable ‘superhuman’ vision by capturing images beyond the capabilities of the naked eye, leveraging expertise in nanotechnology and predictive analytics.

Sparrow Quantum is a Danish quantum technology manufacturer specializing in advanced light-matter interfaces. Founded in 2016, the company is recognized for its leadership in single-photon sources with the highest light-matter coupling efficiency globally. Sparrow Quantum provides essential technology and building blocks to researchers and developers in quantum technology, enabling advancements in applications such as secure quantum communication, photonic quantum computing, and quantum repeaters for the quantum internet. The company's technology is rooted in over two decades of research from the Niels Bohr Institute in Copenhagen, and it holds exclusive licenses to key patents from the institute.