Quantum Computing Infrastructure
Startups building the core infrastructure needed to scale quantum computers, from physical machines to the software layers that make them usable.
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Categories
- Quantum computer builders
Companies developing complete quantum computing systems around a specific qubit architecture. The category is focused on platforms that own the path from physical qubit design to usable compute…
- Quantum processors & core components
Companies supplying the critical hardware blocks that sit inside or close to the quantum computer. They are not usually the end platform, but they shape performance, manufacturability, and scale.
- Quantum networking, interconnects & memories
Companies building the links that allow quantum systems to connect, share states, or scale beyond a single processor. This category matters as architectures move toward modular and distributed…
- Control, testing & calibration
Companies building the layer that makes fragile quantum hardware measurable, tunable, and repeatable. These tools help teams move from lab experiments to systems that can operate reliably.
- Error correction & fault-tolerant design
Companies working on the software and architecture needed to turn noisy physical qubits into more reliable logical systems. This is one of the main bottlenecks between today’s machines and useful…
- Software & execution layer
Companies building the developer and runtime layer that lets users design, run, and manage quantum workloads. The focus is on making quantum resources easier to access across hardware, simulators…
Companies
- Alice & Bob
- Alpine Quantum Technologies GmbH (AQT)
- Amazon Web Services (AWS)
- Arq Quantum Technologies
- Atom Computing
- Bluefors Oy
- C12 Quantum Electronics
- Classiq
- Coherence Quantum
- ColibriTD
- Delft Circuits
- Diraq
- D-Wave Quantum Inc.
- eleQtron GmbH
- Ephos
- Equal1
- Google Quantum AI
- Horizon Quantum Holdings Ltd.
- hzero
- IBM Quantum
- Infleqtion, Inc.
- Intel Corporation
- IonQ, Inc.
- IQM Quantum Computers
- Isentroniq
- JIJ Inc.
- Keysight Technologies, Inc.
- Maybell Quantum Industries Inc.
- memQ
- Microsoft Corporation (Microsoft Quantum)
- Nord Quantique
- Nu Quantum
- NVIDIA
- Orange Quantum Systems (OrangeQS)
- Oratomic
- ORCA Computing
- Oxford Ionics
- Oxford Quantum Circuits (OQC)
- Pasqal
- Photonic Inc.
- PINC Technologies
- Pixel Photonics GmbH
- PsiQuantum
- Qblox
- qBraid
- QC Design
- Q-CTRL
- Qedma
- Qendra AG
- Qilimanjaro Quantum Tech
- Qoro Quantum
- QphoX
- Qruise GmbH
- Quandela
- Quantinuum
- Quantum Elements
- Quantum Machines
- Quantum Motion
- QuantWare
- QuEra Computing Inc.
- Quint Computing
- Qunnect
- Quobly
- Rhonexum
- RhymeQ
- Rigetti Computing, Inc.
- Riverlane
- SEEQC
- Silicon Quantum Computing (SQC)
- Sparrow Quantum
- S-Transistors Oy
- Sygaldry Technologies, Inc.
- Universal Quantum
- Vexlum
- Welinq
- Xanadu Quantum Technologies Limited
- Yaqumo Inc. / 株式会社Yaqumo
- Zurich Instruments
- ZuriQ