Quantum Computing Landscape
Every company building quantum computers, software, cloud platforms, and enabling technologies — from IBM and Google to the latest startups.
Superconducting Hardware
Companies building quantum processors using superconducting transmon qubits cooled to near absolute zero.
World's largest quantum fleet — 100+ QPUs on IBM Quantum Network. Eagle (127q), Osprey (433q), Condor (1121q), Heron. Free tier available.
Sycamore processor achieved quantum supremacy (2019). Willow (105 qubits) showed below-threshold error correction (2024). Research access by application.
Pioneer in superconducting quantum cloud. Aspen-M series multi-chip QPUs. Access via Rigetti QCS and Amazon Braket.
Azure Quantum cloud platform + topological qubit research (Majorana 1 chip, 2025). Hosts IonQ, Quantinuum, Rigetti hardware.
Tunnel Falls silicon spin qubit chip (12 qubits). Long-term bet on silicon spin qubits leveraging existing semiconductor fab.
Trapped-Ion Hardware
Quantum computers that trap individual ions using electromagnetic fields — typically highest gate fidelity available.
Publicly traded trapped-ion quantum company. Aria (25 AQ), Forte (35 AQ). Available on AWS Braket and Azure Quantum.
Spin-off of Honeywell Quantum Solutions. H-Series ion trap systems hold multiple #1 quantum volume records. TKET SDK open source.
UK startup using electronic qubit control (no lasers). Partnership with NEC for 1000+ qubit systems.
Photonic Hardware
Quantum computers using photons (particles of light) as qubits — room-temperature operation possible.
Photonic quantum computing + PennyLane SDK. Borealis (216 squeezed modes) demonstrated quantum advantage (2022). Strawberry Fields framework.
Stealth-mode photonic quantum computer startup aiming for 1M+ qubit fault-tolerant system using silicon photonics fabs.
Dutch photonic quantum processor company. BosonQ Psi collaboration for photonic simulation.
Neutral Atom Hardware
Quantum computers using laser-cooled neutral atoms held in optical tweezers — high connectivity, long coherence.
Harvard/MIT spin-off. Aquila (256 neutral atom qubits) on Amazon Braket. Demonstrated 48 logical qubits (2023).
French neutral atom startup. 1000 qubit analog simulator. Partnership with Crédit Agricole, Airbus. Pulser SDK.
Nuclear spin neutral atom qubits with long coherence times. Phoenix processor (100 qubits). Acquired by Google (2023).
Formerly ColdQuanta. Neutral atom hardware + Quera for quantum networking. Oqtant cloud quantum matter platform.
Quantum Software & SDKs
Open-source SDKs, compilers, and quantum programming frameworks used to build and run quantum circuits.
Most widely used quantum SDK. 550K+ registered developers. Apache 2.0 open source. Qiskit Runtime for real hardware.
Differentiable quantum computing for QML. Works with PyTorch, JAX, TensorFlow. 30+ device backends.
GPU-accelerated quantum simulation. 100–10,000× faster than CPU. CUDA kernels for statevector simulation.
NISQ-focused SDK for Google hardware. Powerful noise simulation. tSim, qsim backends.
AWS managed quantum service. SV1/DM1 cloud simulators free tier + access to IonQ, Rigetti, QuEra QPUs.
High-performance quantum circuit compiler. Backend-agnostic. Integrates with Qiskit, Cirq, PennyLane.
Unified API abstracting Qiskit, Cirq, PennyLane, Braket, CUDA-Q, IonQ. Write once, run on any backend.
High-level quantum algorithm synthesis. Describe what the circuit should do; Classiq generates it automatically.
Cloud Platforms
Cloud services that provide unified access to multiple quantum hardware providers and simulators.
Largest quantum cloud fleet. Open Plan (free, 127q Eagle) + Premium plans. IBM Quantum Learning platform.
AWS quantum cloud. Access IonQ, Rigetti, QuEra, Oxford Ionics, IQM. On-demand and task-based pricing.
Microsoft quantum cloud. IonQ, Quantinuum, Rigetti hardware. Azure Quantum Credits for new accounts.
Access to Google's Sycamore and Willow processors via Google Cloud. Research program application required.
Quantum computing workspace aggregator. Integrates 30+ quantum hardware and simulator backends.
Quantum Algorithms & Applications
Software companies focused on quantum algorithms, optimization, and industry-specific quantum applications.
Enterprise quantum algorithms for finance, chemistry, and ML. Forge cloud platform. Partners: Goldman Sachs, Airbus.
Quantum and tensor-network algorithms for financial institutions. Partners: BBVA, Credit Suisse, Moody's.
Quantum-ready applications for life sciences, finance, and materials discovery. Vancouver-based.
Quantum-inspired generative AI and quantum algorithms. Orquestra platform. Now pivoted to AI-first.
Quantum chemistry for drug discovery and materials. QEMIST Cloud for molecular simulations.
Japanese quantum chemistry startup. QURI Parts open-source library. VQE and QPE research.
Error Correction & Control
Companies focused on quantum error correction, hardware control electronics, and fault-tolerant quantum computing.
Quantum firmware and control to suppress errors in QPUs. Fire Opal software for IBM/IonQ. Boulder Opal for hardware teams.
OPX quantum control hardware + QUA programming language. Used by IBM, leading labs.
Error mitigation software for NISQ devices. In-circuit learning to characterize and mitigate device errors.
Alphabet spin-off. Post-quantum cryptography, quantum sensing, AI+quantum. Enterprise security focus.
Quantum Key Distribution & Security
Companies building quantum cryptography hardware, QKD systems, and post-quantum security products.
Pioneer in QKD and quantum random number generators. Clavis, Cerberis systems. Geneva-based.
Toshiba's QKD research. Long-distance QKD record (600 km, 2021). Commercial Tokyo QKD network.
Satellite-based quantum encryption. QuantumCloud SaaS. Symmetric key agreement protocol.
Post-quantum cryptography chips and software. NIST PQC standard implementations. Semiconductor IP.
Quantum-secured network (Phio TX) using QKD over existing fiber in the US.
Quantum Sensing & Metrology
Companies applying quantum mechanics to ultra-precise sensing, navigation, timing, and imaging.
NV-center diamond quantum sensors for brain imaging (magnetoencephalography) and navigation.
Atom interferometry sensors for inertial navigation and gravimetry. Defense and research markets.
Portable atomic clocks and quantum gravimeters for navigation without GPS. Fieldable systems.
Diamond NV center sensors for medical imaging, battery testing, and semiconductor inspection.
Quantum Computing (Annealing)
Quantum annealing processors optimized for combinatorial optimization problems.
Publicly traded quantum annealing company. 5000+ qubit Advantage2. Leap cloud service with free trial. Hybrid classical-quantum solvers.
Quantum Computing Inc. & Other Public Companies
Additional publicly traded companies with significant quantum computing positions.
Quantum photonic sampling (Dirac-3) and entropy quantum computing. EaaS platform for optimization.
Finnish quantum computing company. Co-design approach. Crystal series QPUs. Garnet (20q) on AWS Braket.
Desktop NMR-based educational quantum computers (2–3 qubits). Used in universities worldwide.
Defense & Aerospace
Defense contractors and aerospace companies with active quantum computing programs.
Quantum computing research for optimization, simulation. Early D-Wave adopter. Quantum key distribution research.
Quantum computing for aircraft loading optimization, fluid dynamics simulation. Partner: Quantinuum, IonQ.
Quantum sensing, quantum networking, and error correction research for defense applications.
Finance & Banking
Financial institutions with dedicated quantum computing research teams and production pilots.
Quantum amplitude estimation for derivative pricing. Collaborates with QC Ware and IBM. 15+ quantum researchers.
Quantum computing for portfolio optimization, options pricing, and fraud detection. IBM Quantum Network member.
Spanish bank with active quantum team. Monte Carlo acceleration, credit risk, portfolio optimization research.
Academic & Research Programs
Universities and research institutes running free quantum computing access programs.
QuEra partnership, neutral atom research, trapped-ion labs. NSF Quantum Leap programs. OpenQASM development.
Dutch quantum institute. Transmon and spin qubit research. Quantum Inspire cloud platform (free access).
€1B EU initiative. Funds OpenSuperQ, AQTION, IQM, Pasqal, many others. Research and industrial labs.