Company Directory

Colorado Quantum Companies

Every major organization in the Colorado quantum ecosystem. From federal labs to public companies to community hubs.

Maybell Quantum

Denver, CO (7100 Broadway)
Private

The quantum infrastructure company: Denver-built dilution refrigerators, from the compact Fast Fridge to the Big Fridge, cooling the hardware that every superconducting quantum processor requires.

Founded2021
Raised$40M Series B (Sept 2025), ~$65M total
TechCryogenic infrastructure, dilution refrigerators
$40M Series B (Sept 2025), ~$65M total raised

Atom Computing

Boulder, CO
Private

Neutral atom quantum computing pioneer. The first company to demonstrate more than 1,000 qubits on a neutral atom platform.

Founded2018
Raised$60M+ across Series A and B
TechNeutral atom qubits
1,180 qubits in a 1,225-site array (Oct 2023); Microsoft partnership

Infleqtion

Boulder, CO
Public

The first publicly traded neutral-atom quantum company. Three commercial products actively shipping: a quantum computer, an atomic clock in Earth orbit, and a sensor in active defense deployment.

Founded2007
Raised$540M+ gross via SPAC merger (Nov 2025), $1.8B pre-money
TechNeutral atoms, atomic clocks, quantum sensors
Public Nov 2025 via SPAC merger with Churchill Capital X ($1.8B pre-money, $540M+ gross, $126.5M PIPE); atomic clock in orbit; defense sensor in active deployment

Quantinuum

Broomfield, CO
Public

The most commercially advanced quantum computing company most people have never heard of. Formed from the merger of Honeywell Quantum Solutions and Cambridge Quantum, it is dual-headquartered in Broomfield, Colorado and Cambridge, UK, and is now public on the Nasdaq under the ticker QNT after its June 2026 IPO.

Founded2021
Raised~$1.1B total ($800M Series B at $10B pre-money, Nov 5, 2025)
TechTrapped ion qubits
$10B pre-money valuation at Nov 2025 Series B close; IPO priced $60 on June 3, 2026 (above the $53 to $55 range), trading on Nasdaq under QNT from June 4; record two-qubit gate fidelity of 99.9%+

Elevate Quantum

Denver, CO
Coalition

The coalition that secured the US Department of Commerce Quantum Tech Hub designation for the Colorado Front Range. The policy and coordination infrastructure behind the entire ecosystem.

Founded2022
TechPolicy, coordination, workforce development
US Department of Commerce Quantum Tech Hub designation; $40.5M federal Phase 2 award (July 2024); up to $900M pipeline

Google Quantum AI

Santa Barbara, CA
Corporate

Google opened a Boulder quantum lab in March 2026 by hiring Adam Kaufman from CU Boulder. The ecosystem views this as validation, not competition.

Founded2026 (Boulder office)
TechNeutral atoms (new), superconducting qubits
Willow chip demonstrated below-threshold quantum error correction (Dec 2024); Boulder lab opened March 2026

Quantum Commons

Arvada, CO
Community

The physical community anchor of the Quantum Valley. Where the ecosystem gathers, collaborates, and introduces newcomers to the field.

Founded2022
TechShared facility, community events
The physical anchor of the Colorado quantum community

IonQ

College Park, MD
Public

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 semiconductor ion trap chips.

Founded2015 (Boulder lab: 2026)
TechTrapped ion qubits, semiconductor ion trap chips
22,000 sq ft Boulder R&D lab opened May 12, 2026, with Governor Polis at the ribbon cutting

Bifrost Electronics

Arvada, CO (18300 CO-72)
Private

Builds quantum electronics components and control systems, located directly next to Quantum Commons in Arvada.

Founded2019
TechQuantum control electronics and systems
Anchor tenant adjacent to Quantum Commons at 18300 CO-72

LongPath Technologies

Boulder, CO
Private

CU Boulder spinout using quantum cascade lasers to detect methane leaks for oil and gas operators. Quantum sensing applied to industrial infrastructure monitoring.

Founded2017 (CU Boulder spinout)
TechQuantum cascade lasers, methane detection
Active commercial deployments with major oil and gas operators

Mesa Quantum

Boulder, CO
Private

CU Boulder spinout building the world's smallest atomic clock. Miniaturized quantum timekeeping that could replace GPS timing infrastructure.

Founded2023 (CU Boulder spinout)
TechMiniaturized atomic clocks
Building toward the world's smallest atomic clock

Vescent

Golden, CO
Private

Vescent builds rugged lasers, optical frequency combs, and control electronics in Golden, the picks and shovels of the Quantum Valley.

Founded2002
TechLasers, optical frequency combs, laser control electronics
Builds frequency-comb and laser-control hardware descended from Boulder's Nobel-winning optical comb research; partners with Octave Photonics and Infleqtion on backpack-sized optical atomic clocks.

FieldLine

Boulder, CO
Private

Boulder's FieldLine builds quantum magnetometers sensitive enough to image the brain without cryogenics.

Founded2017
TechOptically pumped magnetometers, biomagnetic imaging (MEG)
OPM sensors shipped to neuroscience and clinical research customers, enabling wearable, cryogen-free MEG.

FieldLine Industries

Louisville, CO
Private

Louisville's FieldLine Industries shrinks the atomic magnetometer to a 4 mm vapor cell, then sends it into the field on drones and submersibles.

Founded
TechScalar optically pumped magnetometers, microfabricated atomic vapor cells
SBIR awards for microfabricated vacuum-packaged rubidium vapor cells and standoff detection of hidden objects using tensor gradiometers.

KMLabs

Boulder, CO (4775 Walnut St)
Private

Boulder's original lab-to-market laser company: KMLabs spun out of the Kapteyn-Murnane group at JILA to sell ultrafast lasers and the first commercial coherent EUV sources.

Founded1994
RaisedSeries A led by Intel Capital, with Colorado Impact Fund and Kairos Ventures (2015)
TechUltrafast Ti:sapphire lasers, high harmonic generation, coherent EUV sources
Pioneered the first commercial high harmonic generation sources producing coherent EUV beams (2009); Series A led by Intel Capital (2015).

TreQ

Milton Park, Oxfordshire, UK
Private

TreQ is the systems integrator of the quantum stack: it designs and builds open-architecture quantum computers from best-of-breed components instead of a single vendor's stack.

Founded2023
Raised$5M seed round
TechOpen-architecture quantum computing systems integration
Raised a $5M round from investors including Creator Fund to build open-architecture quantum systems.

Apex Atomics

Boulder, CO
Private

Apex Atomics, founded as Vapor Cell Technologies, manufactures the box of atoms at the heart of the quantum sensor: microfabricated vapor cells made in Boulder, in parallel, on wafers.

Founded2020
TechMicrofabricated atomic vapor cells
Selected under the NIST CHIPS for America program for microfabricated vapor cell work; announced the rebrand from Vapor Cell Technologies to Apex Atomics in March 2025.

Resilient Entanglement

Denver, CO
Private

Denver's Resilient Entanglement points quantum algorithms at the power grid: a women-owned firm building software to keep the lights on through extreme weather.

Founded2020
TechQuantum computing and AI software for power grid optimization
Built the Quantum Energy Management System, applying quantum algorithms to the power flow and security-constrained unit commitment problems.

Icarus Quantum

Boulder, CO
Private

Icarus Quantum, a spinout of NIST Boulder's Quantum Nanophotonics Group, builds efficient quantum light sources, building blocks for the quantum internet.

Founded
TechQuantum light sources, single-photon and entangled-photon generation
Spinout of the Quantum Nanophotonics Group, Physical Measurement Laboratory, NIST Boulder.

Octave Photonics

Louisville, CO
Private

Octave Photonics, founded by NIST Boulder alumni, shrinks frequency combs onto chips for portable atomic clocks.

Founded2019
TechNanophotonic chips, integrated optical frequency combs
Developing a portable, ruggedized optical atomic clock with Vescent and Infleqtion.

Stable Laser Systems

Boulder, CO
Private

Stable Laser Systems builds ultra-stable optical cavities in Boulder, the quiet reference every precision quantum experiment needs.

Founded2009
TechUltra-stable optical reference cavities, frequency-stabilized lasers
Supplies frequency-stabilized laser references to atomic-clock, spectroscopy, and quantum-computing labs worldwide.

CUbit Quantum Initiative

Boulder, CO
University

CUbit, CU Boulder's quantum hub, connects university research, NIST, and industry, the institutional glue of the Quantum Valley.

Founded2019
TechUniversity research hub, workforce and industry coordination
CU Boulder's umbrella for quantum research across JILA and campus departments; a key partner alongside Elevate Quantum in the state's Tech Hub strategy.
New to the terminology?
The Quantum Glossary
Plain-language definitions for the terms that appear across these company profiles. Qubits, dilution refrigerators, microkelvin, gate fidelity, and more.