Company lists · Data refreshed November 2026

Top 25 Quantum metrology developers worldwide

RevenueBase identified 196 company matches for quantum metrology developers worldwide as of November 2026 and tracks 3,080 professional contacts across them, including 1,282 with verified work emails. The United States is the largest market and Glasgow the largest hub.

This list covers company matches for quantum metrology developers worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for quantum metrology developers follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
196Companies
3,080Contacts tracked
1,282Verified emails
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The 25 largest quantum metrology developers worldwide

Ranked by team size
Top 25 of 196 company matches for quantum metrology developers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchToronto, ON, CanadaHQ recorded Nov 6, 202651-200362 contacts →

Exact match

“Xanadu Quantum Technologies Limited is a Canadian photonic quantum computing company with the mission to build quantum computers that are useful and available to people everywhere.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLouisville, CO, United StatesHQ recorded Nov 6, 2026201-500265 contacts →

Exact match

“Infleqtion, Inc.(NYSE: INFQ) is a global leader in quantum technology, delivering neutral atom solutions for quantum computing, networking, sensing, and security.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchDelft, NetherlandsHQ recorded Nov 6, 202651-200181 contacts →

Exact match

“At Qblox we operate at the frontier of the quantum revolution.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchZurich, SwitzerlandHQ recorded Nov 6, 202651-200168 contacts →

Exact match

“Zurich Instruments develops and manufactures advanced products for Quantum Computing and Periodic Signal Measurement.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchGeneva, SwitzerlandHQ recorded Nov 6, 202651-200117 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMartinsried, GermanyHQ recorded Nov 6, 2026201-500115 contacts →

Exact match

“Precision in Photonics.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchGolden, CO, United StatesHQ recorded Nov 6, 202651-20073 contacts →

Exact match

“Vescent is the leading provider of ruggedized Optical Clocks, Frequency Combs, Lasers, and Controllers for Quantum 2.0 and adjacent applications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchPleasanton, CA, United StatesHQ recorded Nov 6, 202651-20069 contacts →

Exact match

“Vector Atomic is commercializing quantum technology for applications including GPS-free navigation, telecommunications, and computing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMunich, GermanyHQ recorded Nov 6, 202651-20068 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHyderabad, IndiaHQ recorded Nov 6, 202651-20055 contacts →

Exact match

“Quantum AI Global is at the forefront of the quantum revolution, pioneering advancements in both quantum hardware and software.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchDelft, NetherlandsHQ recorded Nov 6, 202611-5054 contacts →

Exact match

“We deliver test equipment to create better quantum chips.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchDelft, NetherlandsHQ recorded Nov 6, 202611-5050 contacts →

Exact match

“QphoX is a quantum transduction company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchStuttgart, GermanyHQ recorded Nov 6, 202651-20048 contacts →

Exact match

“Swabian Instruments is a young high-tech start-up from Stuttgart (Germany) that is developing novel instrumentation for time-correlated single photon counting, with applications…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBozeman, MT, United StatesHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“Montana Instruments manufactures high-precision electrical, optical, and cryogenic products for quantum computing, quantum education, quantum networking, and quantum materials…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchWest Palm Beach, United StatesHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202611-5038 contacts →

Exact match

“Nomad Atomics is a vertically integrated technology and geophysical services company, pioneering the next generation of quantum sensing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchPloemeur, FranceHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“KWAN-TEK develops and markets metrology solutions based on diamond quantum sensors, drawing on over 20 years of fundamental research at a global scale.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchFairport, NY, United StatesHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“Sydor Technologies is a global leader in the design, development, manufacturing, and commercialization of complex measurement technology solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchUnited StatesHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“QuantrolOx is a provider of Quantum EDGE, a measurement and automation platform for quantum technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBesancon, FranceHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“AUREA Technology provides high-performance optical instruments for Quantum communications, Quantum networking and Quantum sensing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchWaterloo, ON, CanadaHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“High Q Technologies is a fast-growing company that develops quantum-enabled scientific instruments for ultra-high sensitivity biophysical and chemical analysis.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchEastleigh, United KingdomHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“Aquark Technologies builds and delivers the world's smallest and most deployable cold atom quantum hardware to enhance navigation, communications, security, and our understanding…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchShinjuku, JapanHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Nanofiber Quantum Technologies (NanoQT) is Japan's first quantum computer hardware startup.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchHaymarket, AustraliaHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Archer Materials (ASX: AXE) is an Australian quantum technology company developing advanced solutions to overcome the limitations of today’s computing, sensing, and medical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchFlorence, ItalyHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Industrial grade systems and products for quantum networks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 196 quantum metrology developers worldwide

See the full list, filter by size, metro and specialty, and access 1,282 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Quantum metrology developers worldwide at a glance

As of Nov 6, 2026
41.6%Verified-email coverage
15.7Average contacts per company
1-10Median size (employees)
2.0%Largest-city concentration · Glasgow
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
103
11-50
68
51-200
19
201-500
4
501-1,000
1

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for quantum metrology developers are linked below.
What qualifies
Company records worldwide whose business descriptions match “quantum metrology developers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 1,282 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Quantum metrology developers by location

1 lists · largest first

Every Quantum metrology developers 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 SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “quantum metrology developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many quantum metrology developers are there worldwide?

RevenueBase identified 196 company matches for quantum metrology developers worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Xanadu tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most quantum metrology developers?

The United States leads with 35 companies. Every quantum metrology developers list by country and city is linked on this page.

Which city has the most quantum metrology developers?

Glasgow leads with 4 company records, followed by Hyderabad (4) and Boulder (3).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,282 professional contacts with verified work emails tracked across these 196 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 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 SmartSearch, 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.