Selection of quantum information technology companies, or groups within companies.
Extras: 1) pure-play shares publicly traded, 2) quantum computers you might be able to buy, 3) concrete qubit-count roadmaps.
Companies
1QBit ๐จ๐ฆ A*Quantum ๐ฏ๐ต Adaptive Finance Technologies ๐จ๐ฆ AegiQ ๐ฌ๐ง Agnostiq ๐จ๐ฆ Algorithmiq ๐ซ๐ฎ Alibaba Quantum Lab ๐จ๐ณ Alice & Bob ๐ซ๐ท Aliro ๐บ๐ธ Amazon Braket ๐บ๐ธ Anyon Systems, Inc. ๐จ๐ฆ ApexQubit ๐บ๐ธ Aqarios ๐ฉ๐ช AQT ๐ฆ๐น aQuantum ๐ช๐ธ Archer Materials ๐ฆ๐บ Arclight ๐จ๐ณ Arqit ๐ฌ๐ง Artificial Brain ๐บ๐ธ Artiste-qb Net ๐จ๐ฆ Atlantic Quantum ๐บ๐ธ Atom Computing ๐บ๐ธ Atos Quantum Lab ๐ซ๐ท Avanetix ๐ฉ๐ช Axion Technologies ๐บ๐ธ Baidu Quantum Computing Institute ๐จ๐ณ BardeenQ Labs ๐บ๐ธ BEIT Inc. ๐ต๐ฑ Black Brane Systems ๐จ๐ฆ Bleximo ๐บ๐ธ blueqat ๐ฏ๐ต BosonQ Psi ๐ฎ๐ณ Boxcat ๐จ๐ฆ BraneCell ๐บ๐ธ C12 ๐ซ๐ท ChemicalQDevice ๐บ๐ธ CIQTEK ๐จ๐ณ Classiq ๐ฎ๐ฑ CogniFrame Inc. ๐จ๐ฆ ColdQuanta ๐บ๐ธ ColibrITD ๐ซ๐ท Craft Prospect ๐ฌ๐ง Crypta Labs ๐ฌ๐ง Crypto Quantique ๐ฌ๐ง D-Wave ๐จ๐ฆ Delft Circuits ๐ณ๐ฑ Diraq ๐ฌ๐ง EeroQ ๐บ๐ธ eleQtron ๐ฉ๐ช Elyah ๐ฏ๐ต Entangled Networks ๐จ๐ฆ Entanglement, Inc. ๐บ๐ธ Entanglement Partners ๐ช๐ธ Entropica Labs ๐ธ๐ฌ Equal 1 ๐ฎ๐ช evolutionQ ๐จ๐ฆ exaQ.ai ๐ธ๐ฌ Fixstars Amplify ๐ฏ๐ต Good Chemistry Company ๐จ๐ฆ Google Quantum AI ๐บ๐ธ Groovenauts ๐ฏ๐ต h-bar ๐ฆ๐บ Horizon Quantum Computing ๐ธ๐ฌ HQS Quantum Simulations ๐ฉ๐ช Huawei HiQ ๐จ๐ณ Huayi Quantum ๐จ๐ณ IBM Quantum ๐บ๐ธ ID Quantique ๐จ๐ญ Iff Technologies ๐บ๐ธ Infleqtion ๐บ๐ธ InfiniQuant ๐ฉ๐ช infinityQ ๐จ๐ฆ Ingenii ๐บ๐ธ Inspiration-Q ๐ช๐ธ Intel Labs / Quantum Computing ๐บ๐ธ IonQ ๐บ๐ธ IQM ๐ซ๐ฎ ISARA ๐จ๐ฆ JoS QUANTUM ๐ฉ๐ช J.P. Morgan FLARE / Quantum Technologies ๐บ๐ธ KetPsi Shield ๐บ๐ธ KETS Quantum Security ๐ฌ๐ง Ki3 Photonics ๐จ๐ฆ Kipu Quantum ๐ฉ๐ช Kuano ๐ฌ๐ง Kunfeng Quantum ๐จ๐ณ LIGENTEC ๐จ๐ญ Light Rider ๐บ๐ธ MagiQ Technologies ๐บ๐ธ Maybell Quantum ๐บ๐ธ memQ ๐บ๐ธ Menten AI ๐บ๐ธ Microsoft Quantum ๐บ๐ธ Miraex ๐จ๐ญ Molecular Quantum Solutions ๐ฉ๐ฐ Multiverse Computing ๐ช๐ธ Netramark ๐จ๐ฆ Next Generation Quantum ๐บ๐ธ nodeQ ๐ฌ๐ง Nord Quantique ๐จ๐ฆ Nordic Quantum Computing Group ๐ณ๐ด Nu Quantum ๐ฌ๐ง ODE, L3C ๐บ๐ธ Orange QS ๐ซ๐ท ORCA Computing ๐ฌ๐ง Origin Quantum ๐จ๐ณ Oxford Ionics ๐ฌ๐ง Oxford Quantum Circuits ๐ฌ๐ง ParityQC ๐ฆ๐น Pasqal ๐ซ๐ท Pauli Group ๐จ๐ฆ Phase Space Computing ๐ธ๐ช Phasecraft ๐ฌ๐ง Photonic Inc ๐จ๐ฆ PiDust ๐ฌ๐ท planqc ๐ฉ๐ช Polaris Quantum Biotech ๐บ๐ธ PQSecure ๐บ๐ธ ProteinQure ๐จ๐ฆ PsiQuantum ๐บ๐ธ Q.ANT ๐ฉ๐ช Q-CTRL ๐ฆ๐บ Q-Zoo ๐บ๐ธ Qapitan Quantum ๐ช๐ธ Qasky ๐จ๐ณ QBaltic ๐ฑ๐ป QBee.eu ๐ง๐ช Qbit Labs ๐ฎ๐ณ Qblox ๐ณ๐ฑ QBoson ๐จ๐ณ qBraid ๐บ๐ธ QC Ware ๐บ๐ธ Qedma Quantum Computing ๐ฎ๐ฑ Qilimanjaro Quantum Tech ๐ช๐ธ Qkrishi ๐ฎ๐ณ QMware ๐จ๐ญ QNu Labs ๐ฎ๐ณ QphoX ๐ณ๐ฑ QpiAI ๐ฎ๐ณ QRate ๐ท๐บ Qruise ๐ฉ๐ช Qrypt ๐บ๐ธ QSIM+ ๐ฐ๐ท QSimulate ๐บ๐ธ qtlabs ๐ฆ๐น Qu & Co ๐ณ๐ฑ Quandela ๐ซ๐ท Quanscient ๐ซ๐ฎ Quantachip Technology ๐จ๐ณ Quantagonia ๐ฉ๐ช Quantastica ๐ซ๐ฎ QuantCAD ๐บ๐ธ QuantFi ๐ซ๐ท QuantGates ๐ฌ๐ง Quantica Computacao ๐ฎ๐ณ QuantLR ๐ฎ๐ฑ Quantinuum ๐บ๐ธ Quantopticon ๐ฌ๐ง QuantrolOx ๐ซ๐ฎ Quantropi ๐จ๐ฆ Quantum Base ๐ฌ๐ง Quantum Benchmark ๐จ๐ฆ Quantum Blockchains ๐ต๐ฑ Quantum Blocks ๐ฉ๐ช Quantum Bridge Technologies ๐จ๐ฆ Quantum Brilliance ๐ฆ๐บ Quantum Circuits, Inc. ๐บ๐ธ Quantum Computing Inc. ๐บ๐ธ Quantum Dice ๐ฌ๐ง Quantum eMotion ๐จ๐ฆ Quantum Machines ๐ฎ๐ฑ Quantum Mads ๐ช๐ธ Quantum Motion ๐ฌ๐ง Quantum Source ๐ฎ๐ฑ Quantum-South ๐บ๐พ Quantum Thought ๐บ๐ธ Quantum Xchange ๐บ๐ธ QuantumCTek ๐จ๐ณ QuantWare ๐ณ๐ฑ QuantyCat ๐บ๐ธ Quanvia ๐ช๐ธ Quarks Interactive ๐ท๐ด Qubit Engineering ๐บ๐ธ Qubit Pharmaceuticals ๐ซ๐ท Qubitekk ๐บ๐ธ Qubitor ๐ธ๐ฌ Qubits Brasil ๐ง๐ท Qudoor ๐จ๐ณ QuEra Computing ๐บ๐ธ QuintessenceLabs ๐ฆ๐บ QuiX Quantum ๐ณ๐ฑ Qulabs ๐ฎ๐ณ QunaSys ๐ฏ๐ต Qunnect ๐บ๐ธ QuSecure ๐บ๐ธ Quside ๐ช๐ธ QuTech ๐ณ๐ฑ Raytheon Quantum Engineering and Computing ๐บ๐ธ Rigetti Computing ๐บ๐ธ RIKEN RQC-Fujitsu Collaboration Center ๐ฏ๐ต Riverlane ๐ฌ๐ง S-Fifteen Instruments ๐ธ๐ฌ Safe Quantum ๐บ๐ธ SandboxAQ ๐บ๐ธ SavantX ๐บ๐ธ Seeqc ๐บ๐ธ Semicyber ๐บ๐ธ seQre ๐ต๐ฑ Silicon Quantum Computing ๐ฆ๐บ Siquance ๐ซ๐ท softwareQ ๐จ๐ฆ SpeQtral ๐ธ๐ฌ SpinQ ๐จ๐ณ SCALINQ ๐ธ๐ช Stafford Computing ๐บ๐ธ STEMIAC ๐ญ๐ท Strangeworks ๐บ๐ธ Super.tech ๐บ๐ธ Tencent Quantum Lab ๐จ๐ณ Terra Quantum ๐จ๐ญ Toshiba Quantum Information Group ๐ฏ๐ต Turing ๐บ๐ธ TuringQ ๐จ๐ณ Unitary Zero Space ๐ซ๐ฎ Universal Quantum ๐ฌ๐ง VeriQloud ๐ซ๐ท Welinq ๐ซ๐ท Xanadu ๐จ๐ฆ Xofia ๐บ๐ธ XT Quantech ๐จ๐ณ Zapata Computing ๐บ๐ธ ZebraKet ๐จ๐ฆ Zhejiang Jiuzhou Quantum Technologies ๐จ๐ณ Zhongchuangwei Quantum ๐จ๐ณ Zurich Instruments ๐จ๐ญ
Pure-play shares publicly traded
Quantinuum (later)
Quantum computer for home
CIQTEK (experimenting rather than programming)
Equal 1 (not yet available for public)
Quantum Brilliance (not yet available for public)
Quantum Computing Inc. (not yet available for public)
SpinQ (fully programmable)
Qubits roadmap
Alice & Bob 2026: “ideal quantum processor”
Atom Computing 2021: 100
Diraq ~2025: 100, ~2028: 1,000, 2035-40: 1,000,000, 2050: 1,000,000,000
Fujitsu / RIKEN 2023: 64, 2026: 1,000+
Google 2029: 1,000,000
IBM 2022: 433, 2023: 1,121, 2024: 1,386+, 2025: 4,158+, 2030: 1,000,000
IonQ 2023: 29, 2024: 35, 2025: 64, 2026: 256, 2027: 384, 2028: 1024 (“algorithmic qubits”)
Origin Quantum 2022: 144, 2025: 1,024, 2028: 10,000, 2032: 1,000,000
Pasqal 2022: 100, 2023: 1,000
PsiQuantum ~2025: 1,000,000 (“begin assembling”)
QBoson 2024-2025: 1,000,000 (“coherent quantum computing”)
Quantum Brilliance ~2025: ~50 (“quantum accelerator”)
QuEra 2024: 1,024
Rigetti Computing 2023: 336, ~2025: 1,000+, ~2027: 4,000+
Silicon Quantum Computing 2023: 10, <2030: 100 (“embodying error correction”)
Xanadu 2026: 1,000,000