Company lists · Data refreshed September 2026
Top 25 Quantum sensor manufacturers worldwide
RevenueBase identified 143 quantum sensor manufacturers worldwide as of September 2026 and tracks 2,261 professional contacts across them, including 987 with verified work emails. The United States is the largest market and Chennai the largest hub.
This list covers quantum sensor manufacturers worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 30, 2026. Country and city lists for quantum sensor manufacturers follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest quantum sensor manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 211 contacts → | ||||
Strong evidence “Infleqtion, Inc.(NYSE: INFQ) is a global leader in quantum technology, delivering neutral atom solutions for quantum computing, networking, sensing, and security.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 2 | 165 contacts → | ||||
Strong evidence “Zurich Instruments develops and manufactures advanced products for Quantum Computing and Periodic Signal Measurement.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 3 | 121 contacts → | ||||
Partial evidence “At ID Quantique, an IonQ company, we harness light to develop and industrialize advanced quantum products and technologies for organizations to ensure long-term protection of data…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 4 | 95 contacts → | ||||
Indirect evidence “At duotec, we stand for uncompromising innovation.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 5 | 80 contacts → | ||||
Indirect evidence “Since the formation of Andor Technology in 1989 we have grown to become the global leader in pioneering and manufacturing high performance light measuring solutions.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 6 | 63 contacts → | ||||
Partial evidence “Vescent is the leading provider of ruggedized Optical Clocks, Frequency Combs, Lasers, and Controllers for Quantum 2.0 and adjacent applications.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 7 | 59 contacts → | ||||
Partial evidence “Vector Atomic is commercializing quantum technology for applications including GPS-free navigation, telecommunications, and computing.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 8 | 59 contacts → | ||||
Strong evidence “Applied Physics Systems is a leading manufacturer of sensors and systems based on magnetometers and accelerometers used in energy, defense, industrial, and scientific applications.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 9 | 52 contacts → | ||||
Partial evidence “We deliver test equipment to create better quantum chips.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 10 | 44 contacts → | ||||
Strong evidence “Atomionics is a Singapore based VC-backed startup building quantum sensors and AI geologist for navigation and resource exploration.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 11 | 44 contacts → | ||||
Strong evidence “QD develops and deploys world-leading quantum sensing technologies and tools for the failure analysis and metrology of a new generation of semiconductor chips, enabling innovation…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 12 | 38 contacts → | ||||
Strong evidence “Montana Instruments manufactures high-precision electrical, optical, and cryogenic products for quantum computing, quantum education, quantum networking, and quantum materials…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 13 | 38 contacts → | ||||
Indirect evidence “Scientific Instruments (SI), an ISO 9001 certified company, is one of the world leaders in design and manufacturing of measurement systems for cryogenic science applications.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 14 | 37 contacts → | ||||
Partial evidence “Bartington Instruments designs and manufactures high precision fluxgate magnetometers, gradiometers, magnetic susceptibility instruments and associated data processing equipment.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 15 | 34 contacts → | ||||
Indirect evidence “Paroscientific is the world leader in the field of precision pressure and seismic measurements.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 16 | 34 contacts → | ||||
Strong evidence “QuantX Labs is the premier, sovereign provider of high precision timing and sensor products used in defence, space and critical infrastructure.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 17 | 34 contacts → | ||||
Strong evidence “KWAN-TEK develops and markets metrology solutions based on diamond quantum sensors, drawing on over 20 years of fundamental research at a global scale.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 18 | 34 contacts → | ||||
Indirect evidence “Sydor Technologies is a global leader in the design, development, manufacturing, and commercialization of complex measurement technology solutions.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 19 | 33 contacts → | ||||
Strong evidence “AUREA Technology provides high-performance optical instruments for Quantum communications, Quantum networking and Quantum sensing.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 20 | 31 contacts → | ||||
Strong evidence “Sens-Tech Ltd has over five decades in the development and manufacture of high sensitivity photon detection electronics, modules, instruments and systems.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 21 | 30 contacts → | ||||
Partial evidence “Brolis Sensor Technology is a dedicated photonic sensor technology company within Brolis Group, spun-out as a separate entity from Brolis Semiconductors UAB since 2018.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 22 | 30 contacts → | ||||
Partial evidence “OEwaves is a manufacturer of the lowest noise, compact lasers available on the market.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 23 | 29 contacts → | ||||
Strong evidence “Nomad Atomics is a vertically integrated technology and geophysical services company, pioneering the next generation of quantum sensing.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 24 | 29 contacts → | ||||
Strong evidence “High Q Technologies is a fast-growing company that develops quantum-enabled scientific instruments for ultra-high sensitivity biophysical and chemical analysis.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 25 | 28 contacts → | ||||
Partial evidence “QuantrolOx is a provider of Quantum EDGE, a measurement and automation platform for quantum technologies.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: quantum sensor manufacturers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names quantum sensor manufacturers.
- Partial evidence
- Its own public description names part of quantum sensor manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name quantum sensor manufacturers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 143 quantum sensor manufacturers worldwide
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Quantum sensor manufacturers worldwide at a glance
As of Sep 30, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among quantum sensor manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for quantum sensor manufacturers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “quantum sensor manufacturers”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names quantum sensor manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among quantum sensor manufacturers, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 987 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 30, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Quantum sensor manufacturers by location
1 lists · largest firstEvery Quantum sensor manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names quantum sensor manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many quantum sensor manufacturers are there worldwide?
RevenueBase identified 143 quantum sensor manufacturers worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Infleqtion, headquartered in Louisville, tops this list with the largest team on record.
Which country has the most quantum sensor manufacturers?
The United States leads with 32 companies. Every quantum sensor manufacturers list by country and city is linked on this page.
Which city has the most quantum sensor manufacturers?
Chennai leads with 2 headquartered companies, followed by Delft (2) and Geneva (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 987 verified decision-maker contacts tracked across these 143 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 30, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.