The Quantum Journal - Covering the Quantum RevolutionMarch 13, 2026

Companies to Watch

The companies building the quantum future - from hardware giants to software startups and quantum-as-a-service platforms.

Hardware Leaders

IBM Quantum

Leading superconducting qubit systems. 1,000+ qubit Condor processor. IBM Quantum Network with 200+ organizations.

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Google Quantum AI

Willow processor with 105 qubits. Demonstrated quantum error correction below threshold. Pursuing fault-tolerant quantum computing.

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Microsoft Quantum

Topological qubit research. Azure Quantum cloud platform. Partnership with Quantinuum for hybrid quantum-classical workloads.

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IonQ

Trapped-ion quantum computers. Acquired Oxford Ionics for $1B. Listed on NYSE. Partnerships with Airbus, GE, and Goldman Sachs.

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Quantinuum

Honeywell spin-off. H-Series trapped-ion systems. $10B valuation after NVIDIA's $600M investment. IPO filing in progress.

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IQM Quantum Computers

European quantum hardware leader. $1.8B SPAC merger announced. On-premises quantum systems for research and enterprise.

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Software and Security

D-Wave Systems

Quantum annealing pioneer. Leap quantum cloud service. Real-world optimization applications in logistics, finance, and materials.

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Rigetti Computing

Superconducting quantum processors. Quantum Cloud Services platform. Focus on near-term quantum advantage applications.

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PQShield

Post-quantum cryptography specialist. NIST PQC standard implementations. Hardware and software security solutions for the quantum era.

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