Colorado Quantum Companies Directory | The Millikelvin

Every Colorado quantum computing company. Funding, qubit type, stage, location, and key people. NIST Boulder, Maybell, Atom Computing, Infleqtion, Quantinuum, Google Quantum AI, and more.

  • NIST Boulder / JILA: The foundation of the entire Colorado quantum ecosystem. Every major commercial quantum company in Colorado traces its lineage to NIST Bo...
  • Maybell Quantum: The infrastructure bet: dilution refrigerators as a service. ColdCloud centralizes the cooling hardware that every superconducting quantu...
  • Atom Computing: Neutral atom quantum computing pioneer. The first company to demonstrate more than 1,000 qubits on a neutral atom platform.
  • Infleqtion: The first publicly traded neutral-atom quantum company. Three commercial products actively shipping: a quantum computer, an atomic clock...
  • Quantinuum: The most commercially advanced quantum computing company most people have never heard of. Formed from the merger of Honeywell Quantum Sol...
  • Elevate Quantum: The coalition that secured the US Department of Commerce Quantum Tech Hub designation for the Colorado Front Range. The policy and coordi...
  • Google Quantum AI: Google opened a Boulder quantum lab in March 2026 by hiring Adam Kaufman from CU Boulder. The ecosystem views this as validation, not com...
  • Quantum Commons: The physical community anchor of the Quantum Valley. Where the ecosystem gathers, collaborates, and introduces newcomers to the field.
  • IonQ: The world's leading trapped-ion quantum platform company opened a 22,000 sq ft Boulder R&D lab in May 2026, designing next-generation sem...
  • Bifrost Electronics: Builds quantum electronics components and control systems, located directly next to Quantum Commons in Arvada.
  • LongPath Technologies: CU Boulder spinout using quantum cascade lasers to detect methane leaks for oil and gas operators. Quantum sensing applied to industrial...
  • Mesa Quantum: CU Boulder spinout building the world's smallest atomic clock. Miniaturized quantum timekeeping that could replace GPS timing infrastruct...
  • Vescent: Vescent builds rugged lasers, optical frequency combs, and control electronics in Golden, the picks and shovels of the Quantum Valley.
  • FieldLine: Boulder's FieldLine builds quantum magnetometers sensitive enough to image the brain without cryogenics.
  • Icarus Quantum: Icarus Quantum, a CU Boulder spinout, builds efficient quantum light sources, building blocks for the quantum internet.
  • Octave Photonics: Octave Photonics, founded by NIST Boulder alumni, shrinks frequency combs onto chips for portable atomic clocks.
  • Stable Laser Systems: Stable Laser Systems builds ultra-stable optical cavities in Boulder, the quiet reference every precision quantum experiment needs.
  • CUbit Quantum Initiative: CUbit, CU Boulder's quantum hub, connects university research, NIST, and industry, the institutional glue of the Quantum Valley.