Company lists · Data refreshed September 2026

Top 25 Aerospace test and measurement companies worldwide

RevenueBase identified 1,092 aerospace test and measurement companies worldwide as of September 2026 and tracks 42,082 professional contacts across them, including 13,723 with verified work emails. The United States is the largest market and Bangalore the largest hub.

This list covers aerospace test and measurement companies 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 aerospace test and measurement companies 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 30, 2026 86% judged on-target in blind review
1,092Companies
42,082Contacts tracked
13,723Verified emails
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The 25 largest aerospace test and measurement companies worldwide

Ranked by team size
Top 25 of 1,092 aerospace test and measurement companies worldwide, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to aerospace test and measurement companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceSanta Rosa, CA, United StatesHQ checked Sep 30, 202610001+11,668 contacts →

Indirect evidence

“Keysight empowers innovators to explore, design, and bring world-changing technologies to life.”

Source: RevenueBase Database · checked Sep 30, 2026
2Strong evidenceAustin, TX, United StatesHQ checked Sep 30, 20265,001-10,0007,081 contacts →

Strong evidence

“In 2023, Emerson acquired NI and introduced its new Test & Measurement business group.”

Source: RevenueBase Database · checked Sep 30, 2026
3Strong evidenceBeaverton, OR, United StatesHQ checked Sep 30, 20261,001-5,0003,355 contacts →

Strong evidence

“We design and manufacture test and measurement solutions to break through the walls of complexity and accelerate global innovation.”

Source: RevenueBase Database · checked Sep 30, 2026
4Indirect evidenceCheltenham, United StatesHQ checked Sep 30, 20261,001-5,0001,082 contacts →

Indirect evidence

“Ontic is a leading manufacturer to the world’s civil and military aircraft.”

Source: RevenueBase Database · checked Sep 30, 2026
5Strong evidenceRochester, NY, United StatesHQ checked Sep 30, 2026501-1,000673 contacts →

Strong evidence

“At Transcat, we are the global leader in test and measurement equipment and calibration services for highly technical industries, including life sciences, power generation…”

Source: RevenueBase Database · checked Sep 30, 2026
6Indirect evidenceTaoyuan City, TaiwanHQ checked Sep 30, 20261,001-5,000498 contacts →

Indirect evidence

“Founded in 1984, Chroma ATE Inc.”

Source: RevenueBase Database · checked Sep 30, 2026
7Strong evidenceToulouse, FranceHQ checked Sep 30, 20261,001-5,000432 contacts →

Strong evidence

“Spherea Group: A 60-Year Legacy Since 1965, the Spherea Group has built a strong legacy in test and quality solutions, rooted in the electronics activities of Aerospatiale, where…”

Source: RevenueBase Database · checked Sep 30, 2026
8Indirect evidenceRoanoke, VA, United StatesHQ checked Sep 30, 2026201-500333 contacts →

Indirect evidence

“Luna Innovations Incorporated is a leader in optical technology, committed to serving its customers with unique capabilities in high-performance, fiber-optic-based sensing…”

Source: RevenueBase Database · checked Sep 30, 2026
9Partial evidenceBourges, FranceHQ checked Sep 30, 2026501-1,000284 contacts →

Partial evidence

“Auxitrol Weston is the leading global manufacturer of aerospace sensors for the harshest environments.”

Source: RevenueBase Database · checked Sep 30, 2026
10Indirect evidenceVirum, DenmarkHQ checked Sep 30, 20261,001-5,000269 contacts →

Indirect evidence

“This page represents a legacy brand that is now part of HBK (Hottinger Brüel & Kjær).”

Source: RevenueBase Database · checked Sep 30, 2026
11Strong evidenceZhubei, TaiwanHQ checked Sep 30, 20261,001-5,000234 contacts →

Strong evidence

“Founded in 1995 and headquartered in Hsinchu, Taiwan, MPI Corporation is a global technology leader in test and measurement solutions spanning the full integrated-circuit…”

Source: RevenueBase Database · checked Sep 30, 2026
12Indirect evidenceAkron, NY, United StatesHQ checked Sep 30, 2026201-500224 contacts →

Indirect evidence

“MGA is recognized worldwide as one of the leading independent providers of testing services and equipment.”

Source: RevenueBase Database · checked Sep 30, 2026
13Partial evidenceBubikon, SwitzerlandHQ checked Sep 30, 2026201-500210 contacts →

Partial evidence

“The Acutronic Group has a proud history of building technologies and teams that are crucial to the aerospace, defense, and transportation industries.”

Source: RevenueBase Database · checked Sep 30, 2026
14Strong evidenceBayan Lepas, MalaysiaHQ checked Sep 30, 202651-200199 contacts →

Strong evidence

“Aemulus’ core expertise is in the design, engineering, and development of automated test equipment (ATE), and test and measurement instruments.”

Source: RevenueBase Database · checked Sep 30, 2026
15Indirect evidenceIndiaHQ checked Sep 30, 2026201-500195 contacts →

Indirect evidence

“T&M Solution Provider, No 1 in Telecom Services, Rental and Sales of T&M Equipments - FLEXIRENTAL programme.”

Source: RevenueBase Database · checked Sep 30, 2026
16Indirect evidenceClearwater, FL, United StatesHQ checked Sep 30, 202651-200154 contacts →

Indirect evidence

“Precision.”

Source: RevenueBase Database · checked Sep 30, 2026
17Partial evidenceFlorianópolis, BrazilHQ checked Sep 30, 202610001+120 contacts →

Partial evidence

“At Hexagon, we are the global leader in measurement technologies.”

Source: RevenueBase Database · checked Sep 30, 2026
18Indirect evidenceHyderabad, IndiaHQ checked Sep 30, 202651-200118 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 30, 2026
19Indirect evidenceHuddersfield, United KingdomHQ checked Sep 30, 2026201-500117 contacts →

Indirect evidence

“Reliance Precision is a specialist engineering company providing custom-built, high reliability, precision instrumentation and components to customers from a diverse range of…”

Source: RevenueBase Database · checked Sep 30, 2026
20Partial evidenceBristol, CT, United StatesHQ checked Sep 30, 202651-200113 contacts →

Partial evidence

“Bauer is a world-leader in the design and manufacture of high quality test and support equipment for the commercial and military aviation industries.”

Source: RevenueBase Database · checked Sep 30, 2026
21Strong evidenceBangalore, IndiaHQ checked Sep 30, 202651-200105 contacts →

Strong evidence

“Sushma Industries Manufacturers of Torque, Force & Pressure - Test, Measurement & Calibration Systems Our Product Offering 1) Force, Torque & Pressure Sensors and Display Units 2)…”

Source: RevenueBase Database · checked Sep 30, 2026
22Partial evidenceNovi, MI, United StatesHQ checked Sep 30, 202651-200102 contacts →

Partial evidence

“With a quarter of a century of experience in developing cutting-edge software and hardware solutions for the measurement, calibration and diagnostics (MCD) sector, Accurate…”

Source: RevenueBase Database · checked Sep 30, 2026
23Partial evidenceRichardson, TX, United StatesHQ checked Sep 30, 202651-200102 contacts →

Partial evidence

“Founded in 1977, CI Systems has grown to include an Electro-Optics Test Systems division, a semiconductor division and a subsidiary in the electronic card assembly and inspection…”

Source: RevenueBase Database · checked Sep 30, 2026
24Indirect evidenceManchester, NH, United StatesHQ checked Sep 30, 202651-200102 contacts →

Indirect evidence

“Jewell Instruments is a world leader in the manufacture and distribution of acceleration and tilt sensors as well as avionics components, solenoids and panel meters.”

Source: RevenueBase Database · checked Sep 30, 2026
25Strong evidenceBangalore, IndiaHQ checked Sep 30, 202651-200100 contacts →

Strong evidence

“MaxEye Technologies is a technology-driven Test & Measurement company, founded in 2011, with operations in Bengaluru, Chennai and Pune in India.”

Source: RevenueBase Database · checked Sep 30, 2026

Showing 25 of 1,092 aerospace test and measurement companies worldwide

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Aerospace test and measurement companies worldwide at a glance

As of Sep 30, 2026
32.6%Verified-email coverage
38.5Average contacts per company
11-50Median size (employees)
2.5%Largest-city concentration · Bangalore
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
400
11-50
434
51-200
180
201-500
37
501-1,000
12
1,001-5,000
18
5,001-10,000
2
10001+
4

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 aerospace test and measurement companies, 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 aerospace test and measurement companies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “aerospace test and measurement companies”. 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 aerospace test and measurement companies), 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 aerospace test and measurement companies, 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, 13,723 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.

Aerospace test and measurement companies by location

9 lists · largest first

Every Aerospace test and measurement companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 aerospace test and measurement companies, 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 aerospace test and measurement companies are there worldwide?

RevenueBase identified 1,092 aerospace test and measurement companies 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?

Keysight Technologies, headquartered in Santa Rosa, tops this list with the largest team on record.

Which country has the most aerospace test and measurement companies?

The United States leads with 254 companies, followed by India (124) and Germany (61). Every aerospace test and measurement companies list by country and city is linked on this page.

Which city has the most aerospace test and measurement companies?

Bangalore leads with 27 headquartered companies, followed by Chennai (15) and Pune (9).

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 13,723 verified decision-maker contacts tracked across these 1,092 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.