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

Abelian ๐Ÿ‡บ๐Ÿ‡ธ Adaptive Finance Technologies ๐Ÿ‡จ๐Ÿ‡ฆ AegiQ ๐Ÿ‡ฌ๐Ÿ‡ง Agnostiq ๐Ÿ‡จ๐Ÿ‡ฆ Alea Quantum Technologies ๐Ÿ‡ฉ๐Ÿ‡ฐ Algorithmiq ๐Ÿ‡ซ๐Ÿ‡ฎ Alice & Bob ๐Ÿ‡ซ๐Ÿ‡ท Aliro ๐Ÿ‡บ๐Ÿ‡ธ Amazon Braket ๐Ÿ‡บ๐Ÿ‡ธ Analog Quantum Circuits ๐Ÿ‡ฆ๐Ÿ‡บ Anaqor ๐Ÿ‡ฉ๐Ÿ‡ช AngelQ ๐Ÿ‡ธ๐Ÿ‡ฌ Anyon Systems, Inc. ๐Ÿ‡จ๐Ÿ‡ฆ Aqarios ๐Ÿ‡ฉ๐Ÿ‡ช AQT ๐Ÿ‡ฆ๐Ÿ‡น Aquark Technologies ๐Ÿ‡ฌ๐Ÿ‡ง Archer Materials ๐Ÿ‡ฆ๐Ÿ‡บ Arclight ๐Ÿ‡จ๐Ÿ‡ณ Arqit ๐Ÿ‡ฌ๐Ÿ‡ง ARQUE Systems ๐Ÿ‡ฉ๐Ÿ‡ช Artificial Brain ๐Ÿ‡บ๐Ÿ‡ธ Artiste-qb Net ๐Ÿ‡จ๐Ÿ‡ฆ Atlantic Quantum ๐Ÿ‡บ๐Ÿ‡ธ Atom Computing ๐Ÿ‡บ๐Ÿ‡ธ AtomQL ๐Ÿ‡ธ๐Ÿ‡ฎ Atos Quantum Lab ๐Ÿ‡ซ๐Ÿ‡ท Axion Technologies ๐Ÿ‡บ๐Ÿ‡ธ BardeenQ Labs ๐Ÿ‡บ๐Ÿ‡ธ BEIT Inc. ๐Ÿ‡ต๐Ÿ‡ฑ Bita Quantum AI ๐Ÿ‡จ๐Ÿ‡ฆ blueqat ๐Ÿ‡ฏ๐Ÿ‡ต BlueQubit ๐Ÿ‡บ๐Ÿ‡ธ Bohr Quantum ๐Ÿ‡บ๐Ÿ‡ธ BosonQ Psi ๐Ÿ‡ฎ๐Ÿ‡ณ BTQ ๐Ÿ‡จ๐Ÿ‡ฆ C12 ๐Ÿ‡ซ๐Ÿ‡ท ChemicalQDevice ๐Ÿ‡บ๐Ÿ‡ธ CIQTEK ๐Ÿ‡จ๐Ÿ‡ณ Classiq ๐Ÿ‡ฎ๐Ÿ‡ฑ CogniFrame Inc. ๐Ÿ‡จ๐Ÿ‡ฆ ColdQuanta ๐Ÿ‡บ๐Ÿ‡ธ ColibrITD ๐Ÿ‡ซ๐Ÿ‡ท ConScience AB ๐Ÿ‡ธ๐Ÿ‡ช Craft Prospect ๐Ÿ‡ฌ๐Ÿ‡ง Crypta Labs ๐Ÿ‡ฌ๐Ÿ‡ง Crypto Quantique ๐Ÿ‡ฌ๐Ÿ‡ง Crystal Quantum Computing ๐Ÿ‡ซ๐Ÿ‡ท D-Wave ๐Ÿ‡จ๐Ÿ‡ฆ Delft Circuits ๐Ÿ‡ณ๐Ÿ‡ฑ Diraq ๐Ÿ‡ฆ๐Ÿ‡บ EeroQ ๐Ÿ‡บ๐Ÿ‡ธ Eigensystems ๐Ÿ‡ฆ๐Ÿ‡บ eleQtron ๐Ÿ‡ฉ๐Ÿ‡ช Entangled Networks ๐Ÿ‡จ๐Ÿ‡ฆ Entanglement, Inc. ๐Ÿ‡บ๐Ÿ‡ธ Entanglement Partners ๐Ÿ‡ช๐Ÿ‡ธ Entropica Labs ๐Ÿ‡ธ๐Ÿ‡ฌ Ephos ๐Ÿ‡ฎ๐Ÿ‡น Equal 1 ๐Ÿ‡ฎ๐Ÿ‡ช Eviden ๐Ÿ‡ซ๐Ÿ‡ท evolutionQ ๐Ÿ‡จ๐Ÿ‡ฆ finQbit ๐Ÿ‡ต๐Ÿ‡ฑ Fixstars Amplify ๐Ÿ‡ฏ๐Ÿ‡ต ForeQast ๐Ÿ‡จ๐Ÿ‡ฆ GenMat ๐Ÿ‡บ๐Ÿ‡ธ Good Chemistry Company ๐Ÿ‡จ๐Ÿ‡ฆ Google Quantum AI ๐Ÿ‡บ๐Ÿ‡ธ Great Lakes Crystal Technologies ๐Ÿ‡บ๐Ÿ‡ธ Groovenauts ๐Ÿ‡ฏ๐Ÿ‡ต h-bar ๐Ÿ‡ฆ๐Ÿ‡บ Haiqu ๐Ÿ‡บ๐Ÿ‡ธ HEQA Security ๐Ÿ‡ฎ๐Ÿ‡ฑ Horizon Quantum Computing ๐Ÿ‡ธ๐Ÿ‡ฌ HQS Quantum Simulations ๐Ÿ‡ฉ๐Ÿ‡ช Huawei HiQ ๐Ÿ‡จ๐Ÿ‡ณ Huayi Quantum ๐Ÿ‡จ๐Ÿ‡ณ IBM Quantum ๐Ÿ‡บ๐Ÿ‡ธ Icarus Quantum ๐Ÿ‡บ๐Ÿ‡ธ Icosa Computing ๐Ÿ‡บ๐Ÿ‡ธ ID Quantique ๐Ÿ‡จ๐Ÿ‡ญ Iff Technologies ๐Ÿ‡บ๐Ÿ‡ธ Infleqtion ๐Ÿ‡บ๐Ÿ‡ธ InfinityQ ๐Ÿ‡จ๐Ÿ‡ฆ Ingenii ๐Ÿ‡บ๐Ÿ‡ธ Inspiration-Q ๐Ÿ‡ช๐Ÿ‡ธ Intel Labs / Quantum Computing ๐Ÿ‡บ๐Ÿ‡ธ IonQ ๐Ÿ‡บ๐Ÿ‡ธ IQM ๐Ÿ‡ซ๐Ÿ‡ฎ ISARA ๐Ÿ‡จ๐Ÿ‡ฆ JoS QUANTUM ๐Ÿ‡ฉ๐Ÿ‡ช J.P. Morgan FLARE / Quantum Technologies ๐Ÿ‡บ๐Ÿ‡ธ Jij Inc. ๐Ÿ‡ฏ๐Ÿ‡ต KEEQuant ๐Ÿ‡ฉ๐Ÿ‡ช KETS Quantum Security ๐Ÿ‡ฌ๐Ÿ‡ง Ki3 Photonics ๐Ÿ‡จ๐Ÿ‡ฆ kiedos.ART ๐Ÿ‡ซ๐Ÿ‡ฎ Kipu Quantum ๐Ÿ‡ฉ๐Ÿ‡ช Korea Quantum Computing ๐Ÿ‡ฐ๐Ÿ‡ท Kuano ๐Ÿ‡ฌ๐Ÿ‡ง Kvantify ๐Ÿ‡ฉ๐Ÿ‡ฐ levelQuantum ๐Ÿ‡ฎ๐Ÿ‡น LIGENTEC ๐Ÿ‡จ๐Ÿ‡ญ Light Rider ๐Ÿ‡บ๐Ÿ‡ธ LQUOM ๐Ÿ‡ฏ๐Ÿ‡ต LuxQuanta ๐Ÿ‡ช๐Ÿ‡ธ MagiQ Technologies ๐Ÿ‡บ๐Ÿ‡ธ Maybell Quantum ๐Ÿ‡บ๐Ÿ‡ธ memQ ๐Ÿ‡บ๐Ÿ‡ธ Menten AI ๐Ÿ‡บ๐Ÿ‡ธ Microsoft Quantum ๐Ÿ‡บ๐Ÿ‡ธ MiQro Era ๐Ÿ‡จ๐Ÿ‡ณ Miraex ๐Ÿ‡จ๐Ÿ‡ญ Molecular Quantum Solutions ๐Ÿ‡ฉ๐Ÿ‡ฐ Multiverse Computing ๐Ÿ‡ช๐Ÿ‡ธ Murray Associates of Utica ๐Ÿ‡บ๐Ÿ‡ธ NanoQT ๐Ÿ‡ฏ๐Ÿ‡ต Netramark ๐Ÿ‡จ๐Ÿ‡ฆ Next Generation Quantum ๐Ÿ‡บ๐Ÿ‡ธ nodeQ ๐Ÿ‡ฌ๐Ÿ‡ง Nord Quantique ๐Ÿ‡จ๐Ÿ‡ฆ Nordic Quantum Computing Group ๐Ÿ‡ณ๐Ÿ‡ด Nu Quantum ๐Ÿ‡ฌ๐Ÿ‡ง Nutshell Quantum-Safe ๐Ÿ‡ฆ๐Ÿ‡น ODE, L3C ๐Ÿ‡บ๐Ÿ‡ธ Orange QS ๐Ÿ‡ซ๐Ÿ‡ท ORCA Computing ๐Ÿ‡ฌ๐Ÿ‡ง Origin Quantum ๐Ÿ‡จ๐Ÿ‡ณ Oxford Ionics ๐Ÿ‡ฌ๐Ÿ‡ง Oxford Quantum Circuits ๐Ÿ‡ฌ๐Ÿ‡ง ParityQC ๐Ÿ‡ฆ๐Ÿ‡น PASQAL ๐Ÿ‡ซ๐Ÿ‡ท Pauli Group ๐Ÿ‡จ๐Ÿ‡ฆ Phase Space Computing ๐Ÿ‡ธ๐Ÿ‡ช Phasecraft ๐Ÿ‡ฌ๐Ÿ‡ง Photonic Inc ๐Ÿ‡จ๐Ÿ‡ฆ planqc ๐Ÿ‡ฉ๐Ÿ‡ช Polaris Quantum Biotech ๐Ÿ‡บ๐Ÿ‡ธ ProteinQure ๐Ÿ‡จ๐Ÿ‡ฆ PsiQuantum ๐Ÿ‡บ๐Ÿ‡ธ Q.ANT ๐Ÿ‡ฉ๐Ÿ‡ช Q*Bird ๐Ÿ‡ณ๐Ÿ‡ฑ Q-Bra ๐Ÿ‡ง๐Ÿ‡ท Q-CTRL ๐Ÿ‡ฆ๐Ÿ‡บ Qasky ๐Ÿ‡จ๐Ÿ‡ณ QBaltic ๐Ÿ‡ฑ๐Ÿ‡ป Qbit Labs ๐Ÿ‡ฎ๐Ÿ‡ณ Qblox ๐Ÿ‡ณ๐Ÿ‡ฑ QBoard ๐Ÿ‡ท๐Ÿ‡บ QBoson ๐Ÿ‡จ๐Ÿ‡ณ qBraid ๐Ÿ‡บ๐Ÿ‡ธ Qbrain ๐Ÿ‡ฎ๐Ÿ‡น QC Design ๐Ÿ‡ฉ๐Ÿ‡ช QC Ware ๐Ÿ‡บ๐Ÿ‡ธ QC82 ๐Ÿ‡บ๐Ÿ‡ธ QCentroid ๐Ÿ‡ช๐Ÿ‡ธ QDC.ai ๐Ÿ‡ต๐Ÿ‡ฑ Qedma Quantum Computing ๐Ÿ‡ฎ๐Ÿ‡ฑ Qilimanjaro Quantum Tech ๐Ÿ‡ช๐Ÿ‡ธ Qkrishi ๐Ÿ‡ฎ๐Ÿ‡ณ QMware ๐Ÿ‡จ๐Ÿ‡ญ QNu Labs ๐Ÿ‡ฎ๐Ÿ‡ณ QPerfect ๐Ÿ‡ซ๐Ÿ‡ท QphoX ๐Ÿ‡ณ๐Ÿ‡ฑ QpiAI ๐Ÿ‡ฎ๐Ÿ‡ณ QRate ๐Ÿ‡ท๐Ÿ‡บ Qruise ๐Ÿ‡ฉ๐Ÿ‡ช Qrypt ๐Ÿ‡บ๐Ÿ‡ธ QSIM+ ๐Ÿ‡ฐ๐Ÿ‡ท QSimulate ๐Ÿ‡บ๐Ÿ‡ธ QTI ๐Ÿ‡ฎ๐Ÿ‡น qtlabs ๐Ÿ‡ฆ๐Ÿ‡น Qu & Co ๐Ÿ‡ณ๐Ÿ‡ฑ QuAIL Technologies ๐Ÿ‡บ๐Ÿ‡ธ Quandela ๐Ÿ‡ซ๐Ÿ‡ท Quanmatic Inc. ๐Ÿ‡ฏ๐Ÿ‡ต Quanscient ๐Ÿ‡ซ๐Ÿ‡ฎ Quantachip Technology ๐Ÿ‡จ๐Ÿ‡ณ Quantal Security ๐Ÿ‡บ๐Ÿ‡ธ Quantagonia ๐Ÿ‡ฉ๐Ÿ‡ช Quantastica ๐Ÿ‡ซ๐Ÿ‡ฎ QuantCAD ๐Ÿ‡บ๐Ÿ‡ธ QuantFi ๐Ÿ‡ซ๐Ÿ‡ท QuantGates ๐Ÿ‡ฌ๐Ÿ‡ง Quantica Computacao ๐Ÿ‡ฎ๐Ÿ‡ณ QUANTier ๐Ÿ‡ญ๐Ÿ‡ฐ Quantinuum ๐Ÿ‡บ๐Ÿ‡ธ Quantistry ๐Ÿ‡ฉ๐Ÿ‡ช Quantized Technologies Inc. ๐Ÿ‡จ๐Ÿ‡ฆ Quantopticon ๐Ÿ‡ฌ๐Ÿ‡ง QuantrolOx ๐Ÿ‡ซ๐Ÿ‡ฎ Quantropi ๐Ÿ‡จ๐Ÿ‡ฆ Quantshift Systems ๐Ÿ‡ฌ๐Ÿ‡ง Quantuloop ๐Ÿ‡บ๐Ÿ‡ธ Quantum AI Global ๐Ÿ‡ฎ๐Ÿ‡ณ Quantum Art ๐Ÿ‡ฎ๐Ÿ‡ฑ Quantum Base ๐Ÿ‡ฌ๐Ÿ‡ง Quantum Benchmark ๐Ÿ‡จ๐Ÿ‡ฆ Quantum Blockchains ๐Ÿ‡ต๐Ÿ‡ฑ Quantum Blocks ๐Ÿ‡ฉ๐Ÿ‡ช Quantum Bridge Technologies ๐Ÿ‡จ๐Ÿ‡ฆ Quantum Brilliance ๐Ÿ‡ฆ๐Ÿ‡บ Quantum Circuits, Inc. ๐Ÿ‡บ๐Ÿ‡ธ Quantum Computing Inc. ๐Ÿ‡บ๐Ÿ‡ธ Quantum Dice ๐Ÿ‡ฌ๐Ÿ‡ง Quantum eMotion ๐Ÿ‡จ๐Ÿ‡ฆ Quantum Machines ๐Ÿ‡ฎ๐Ÿ‡ฑ Quantum Mads ๐Ÿ‡ช๐Ÿ‡ธ Quantum Motion ๐Ÿ‡ฌ๐Ÿ‡ง Quantum Optics Jena ๐Ÿ‡ฉ๐Ÿ‡ช Quantum Realm Computing ๐Ÿ‡บ๐Ÿ‡ธ Quantum Research Sciences ๐Ÿ‡บ๐Ÿ‡ธ Quantum Risk Advisory ๐Ÿ‡ซ๐Ÿ‡ท Quantum Software Technology ๐Ÿ‡ช๐Ÿ‡ธ Quantum Source ๐Ÿ‡ฎ๐Ÿ‡ฑ Quantum-South ๐Ÿ‡บ๐Ÿ‡พ Quantum Transistors ๐Ÿ‡ฎ๐Ÿ‡ฑ Quantum Xchange ๐Ÿ‡บ๐Ÿ‡ธ QuantumCTek ๐Ÿ‡จ๐Ÿ‡ณ QuantWare ๐Ÿ‡ณ๐Ÿ‡ฑ Quanvia ๐Ÿ‡ช๐Ÿ‡ธ Quarks Interactive ๐Ÿ‡ท๐Ÿ‡ด QuBalt ๐Ÿ‡ฉ๐Ÿ‡ช Qubit Engineering ๐Ÿ‡บ๐Ÿ‡ธ Qubit Pharmaceuticals ๐Ÿ‡ซ๐Ÿ‡ท Qubitekk ๐Ÿ‡บ๐Ÿ‡ธ Qubitor ๐Ÿ‡ธ๐Ÿ‡ฌ Qubitrium ๐Ÿ‡น๐Ÿ‡ท Qubo Consulting ๐Ÿ‡จ๐Ÿ‡ฆ Qubrid ๐Ÿ‡บ๐Ÿ‡ธ Qudoor ๐Ÿ‡จ๐Ÿ‡ณ QuEL, Inc. ๐Ÿ‡ฏ๐Ÿ‡ต Quemix Inc. ๐Ÿ‡ฏ๐Ÿ‡ต QuEra Computing ๐Ÿ‡บ๐Ÿ‡ธ Quindata ๐Ÿ‡ง๐Ÿ‡ช QuintessenceLabs ๐Ÿ‡ฆ๐Ÿ‡บ QuiX Quantum ๐Ÿ‡ณ๐Ÿ‡ฑ Qulabs ๐Ÿ‡ฎ๐Ÿ‡ณ QunaSys ๐Ÿ‡ฏ๐Ÿ‡ต Qunnect ๐Ÿ‡บ๐Ÿ‡ธ Qunova Computing ๐Ÿ‡ฐ๐Ÿ‡ท Quobly ๐Ÿ‡ซ๐Ÿ‡ท Quoherent ๐Ÿ‡บ๐Ÿ‡ธ QuSecure ๐Ÿ‡บ๐Ÿ‡ธ Quside ๐Ÿ‡ช๐Ÿ‡ธ QuTech ๐Ÿ‡ณ๐Ÿ‡ฑ Raytheon Quantum Engineering and Computing ๐Ÿ‡บ๐Ÿ‡ธ Resilient Entanglement ๐Ÿ‡บ๐Ÿ‡ธ Rigetti Computing ๐Ÿ‡บ๐Ÿ‡ธ RIKEN RQC-Fujitsu Collaboration Center ๐Ÿ‡ฏ๐Ÿ‡ต Riverlane ๐Ÿ‡ฌ๐Ÿ‡ง Rotonium ๐Ÿ‡ฎ๐Ÿ‡น S-Fifteen Instruments ๐Ÿ‡ธ๐Ÿ‡ฌ Safe Quantum ๐Ÿ‡บ๐Ÿ‡ธ SandboxAQ ๐Ÿ‡บ๐Ÿ‡ธ SavantX ๐Ÿ‡บ๐Ÿ‡ธ SaxonQ ๐Ÿ‡ฉ๐Ÿ‡ช SCALINQ ๐Ÿ‡ธ๐Ÿ‡ช SECQAI ๐Ÿ‡ฌ๐Ÿ‡ง Seeqc ๐Ÿ‡บ๐Ÿ‡ธ Semicyber ๐Ÿ‡บ๐Ÿ‡ธ SemiQon ๐Ÿ‡ซ๐Ÿ‡ฎ seQre ๐Ÿ‡ต๐Ÿ‡ฑ Silicon Quantum Computing ๐Ÿ‡ฆ๐Ÿ‡บ Single Quantum ๐Ÿ‡ณ๐Ÿ‡ฑ softwareQ ๐Ÿ‡จ๐Ÿ‡ฆ Sparrow Quantum ๐Ÿ‡ฉ๐Ÿ‡ฐ SpeQtral ๐Ÿ‡ธ๐Ÿ‡ฌ SpinQ ๐Ÿ‡จ๐Ÿ‡ณ SQE ๐Ÿ‡บ๐Ÿ‡ธ Stafford Computing ๐Ÿ‡บ๐Ÿ‡ธ Strangeworks ๐Ÿ‡บ๐Ÿ‡ธ Tencent Quantum Lab ๐Ÿ‡จ๐Ÿ‡ณ Terra Quantum ๐Ÿ‡จ๐Ÿ‡ญ Tokyo Quantum Computing ๐Ÿ‡ฏ๐Ÿ‡ต Toshiba Quantum Information Group ๐Ÿ‡ฏ๐Ÿ‡ต Turing ๐Ÿ‡บ๐Ÿ‡ธ TuringQ ๐Ÿ‡จ๐Ÿ‡ณ Unitary Zero Space ๐Ÿ‡ซ๐Ÿ‡ฎ Universal Quantum ๐Ÿ‡ฌ๐Ÿ‡ง VeriQloud ๐Ÿ‡ซ๐Ÿ‡ท Welinq ๐Ÿ‡ซ๐Ÿ‡ท VIQTHOR ๐Ÿ‡ซ๐Ÿ‡ท Xanadu ๐Ÿ‡จ๐Ÿ‡ฆ XeedQ ๐Ÿ‡ฉ๐Ÿ‡ช XT Quantech ๐Ÿ‡จ๐Ÿ‡ณ yiyaniQ ๐Ÿ‡จ๐Ÿ‡ฆ Zapata AI ๐Ÿ‡บ๐Ÿ‡ธ ZebraKet ๐Ÿ‡จ๐Ÿ‡ฆ Zhejiang Jiuzhou Quantum Technologies ๐Ÿ‡จ๐Ÿ‡ณ Zhongchuangwei Quantum ๐Ÿ‡จ๐Ÿ‡ณ Zurich Instruments ๐Ÿ‡จ๐Ÿ‡ญ

Pure-play shares publicly traded

Arqit

BTQ

D-Wave

IonQ

Quantinuum (later)

Quantum Computing Inc.

Quantum eMotion

QuantumCTek

Rigetti Computing

Zapata AI

Quantum computer for home

CIQTEK (experimenting rather than programming)

Equal 1 (production status unknown)

Quantum Brilliance (edge computing, not intended for use in the classroom)

Quantum Computing Inc. (entropy quantum computers, photonic reservoir computers)

SaxonQ (production status unknown)

SpinQ (fully programmable)

XeedQ (“mobile” quantum processor)

Qubits roadmap

Alice & Bob ???: 100 logical qubits, 2026: “ideal quantum processor”

ARQUE Systems ~2025: 10, 2027: 100, ~2030: 10,000, ~2033: 1,000,000

Atom Computing 2023: 1,180

Diraq ~2025: 100, ~2028: 1,000, 2035-40: 1,000,000, 2050: 1,000,000,000

Fujitsu / RIKEN 2023: 64, 2026: 1,000+

Google 2023: 100, >2025: 1,000 (1 logical qubit), 2029: 1,000,000

IBM 2023: 1,121

Infleqtion 2024: 1,600 (2 logical qubits), 2026: 8,000 (10+ logical qubits), 2028: 40,000 (100+ logical qubits)

IonQ 2023: 29, 2024: 35, 2025: 64, 2026: 256, 2027: 384, 2028: 1,024 (“algorithmic qubits”)

Origin Quantum 2022: 144, 2025: 1,024, 2028: 10,000, 2032: 1,000,000

PASQAL 2024-25: 1,000-, 2026-27: 10,000-, >2028: 128+ logical qubits

PsiQuantum ~2025: 1,000,000 (“begin assembling”)

QBoson 2023: 100 (“coherent quantum computing”)

Quantum Brilliance ~2025: ~50 (“quantum accelerator”)

QuEra 2024: 256+ (10 logical qubits), 2025: 3,000+ (30 logical qubits), 2026: 10,000+ (100 logical qubits)

Rigetti Computing 2023: 84

Silicon Quantum Computing 2023: 10, <2030: 100 (“embodying error correction”)

Xanadu 2026: 1,000,000

XeedQ 2026: 256+ (“mobile” quantum processor)