Company lists · Data refreshed September 2026
Top 25 In-circuit test fixture manufacturers worldwide
RevenueBase identified 166 in-circuit test fixture manufacturers worldwide as of September 2026 and tracks 2,764 professional contacts across them, including 1,113 with verified work emails. The United States is the largest market and San Jose the largest hub.
This list covers in-circuit test fixture 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 in-circuit test fixture 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 in-circuit test fixture manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 767 contacts → | ||||
Strong evidence “Since 1976, SPEA designs and manufactures the best automatic test equipment for Semiconductor ICs, MEMS, electronic boards and modules.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 2 | 248 contacts → | ||||
Strong evidence “MultiLane is a leading provider of High-Speed I/O, Data Center, and AI test fixtures and interconnects up to 1.6T.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 3 | 133 contacts → | ||||
Partial evidence “Founded in 1986 and headquartered in Carros, France, Synergie Cad has been designing and manufacturing Semiconductor Test Solutions for the world’s most complex Test applications…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 4 | 129 contacts → | ||||
Strong evidence “Circuit Check is a leading provider of automated test systems and test fixtures for complex electronic products for the automotive, military/aerospace, medical, industrial, and…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 5 | 111 contacts → | ||||
Partial evidence “Kyoritsu Electric India was established in India since 2008 as a 100% Subsidiary of Kyoritsu Electric Corporation & Kyoritsu Test System-JAPAN, for marketing, sales & after sales…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 6 | 84 contacts → | ||||
Partial evidence “Northstar Technologies is a semiconductor test engineering company providing full turnkey test solutions including Automated Test Equipment (ATE), Strip Handler, Test Engineering…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 7 | 49 contacts → | ||||
Partial evidence “OiTec is a full-service test integrator pioneer with +70 professionals.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 8 | 49 contacts → | ||||
Strong evidence “CheckSum has been delivering reliable, cost-effective, and easy-to-use test solutions to OEMs and contract manufacturers since 1987.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 9 | 44 contacts → | ||||
Partial evidence “XJTAG is a world leading producer of automated test equipment, with a wide range of tools for complex debug, test and programming.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 10 | 37 contacts → | ||||
Partial evidence “Ironwood Electronics offers high performance test sockets and adapters for both engineering validation and production use.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 11 | 31 contacts → | ||||
Indirect evidence “Die ATX ist Europas Marktführer in der Herstellung von Prüfadaptern für elektronische Testverfahren.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 12 | 31 contacts → | ||||
Indirect evidence “Enabling Tomorrow Semiconductor.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 13 | 29 contacts → | ||||
Indirect evidence “We are an international company operating throughout World, we provide professional solutions in the field of testing electronics and electrical harnesses.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 14 | 25 contacts → | ||||
Strong evidence “NCN Technologies is a Manufacturer of Jigs & Fixtures, In-circuit Test, Functional Test, EOL Tester, Industrial Automation, Conveyors,SPM, Machine Building since 1989 in Bengaluru…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 15 | 24 contacts → | ||||
Indirect evidence “PT.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 16 | 23 contacts → | ||||
Strong evidence “Robson Technologies, Inc.(RTI) designs and manufactures custom turn-key hardware test interface solutions found at every layer between the device under test (DUT/UUT) and the…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 17 | 21 contacts → | ||||
Partial evidence “For over 25 years, 6TL has helped engineers to solve the greatest test challenges by designing and manufacturing base test platforms and standardized hardware modules, which can…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 18 | 18 contacts → | ||||
Strong evidence “Your trusted expert for test fixtures & customized test solutions We are your partner for customized test fixtures and tailored test solutions for the electronics industry.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 19 | 17 contacts → | ||||
Strong evidence “Elite Interfaces Ltd are specialists in the supply, design and manufacture of Test Solutions and Services for the Electronics Manufacturing Industry ranging from Flying Probe…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 20 | 17 contacts → | ||||
Indirect evidence “We are the UK’s leading provider of automated testing solutions for electronic and electrical products.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 21 | 16 contacts → | ||||
Strong evidence “T.I.P.S- Technical Innovation - Physical Solutions We design and manufacture highly specialized and fully customized test interfaces for semiconductors.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 22 | 15 contacts → | ||||
Indirect evidence “Universal Synaptics is the industry leader in detecting and isolating elusive intermittent faults in compliance with the Department of Defense MIL-PRF 32516.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 23 | 15 contacts → | ||||
Indirect evidence “At ATS Engineering, we are committed to serving the electronics industry with exceptional distribution services.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 24 | 14 contacts → | ||||
Strong evidence “COLUMBIA ELEKTRONIK AB is an expert organisation delivering complete test fixturing solutions to the Nordic electronics industry.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 25 | 14 contacts → | ||||
Partial evidence “Larson Automation is a small growing company that develops custom automated functional test systems for the electronics manufacturing industry.” 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: in-circuit test fixture 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 in-circuit test fixture manufacturers.
- Partial evidence
- Its own public description names part of in-circuit test fixture manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name in-circuit test fixture 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 166 in-circuit test fixture manufacturers worldwide
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In-circuit test fixture 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 in-circuit test fixture 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 in-circuit test fixture manufacturers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “in-circuit test fixture 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 in-circuit test fixture 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 in-circuit test fixture 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, 1,113 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.
In-circuit test fixture manufacturers by location
1 lists · largest firstEvery In-circuit test fixture 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 in-circuit test fixture 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 in-circuit test fixture manufacturers are there worldwide?
RevenueBase identified 166 in-circuit test fixture 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?
SPEA, headquartered in Volpiano, tops this list with the largest team on record.
Which country has the most in-circuit test fixture manufacturers?
The United States leads with 40 companies. Every in-circuit test fixture manufacturers list by country and city is linked on this page.
Which city has the most in-circuit test fixture manufacturers?
San Jose leads with 4 headquartered companies, followed by Bangalore (3) and Delhi (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 1,113 verified decision-maker contacts tracked across these 166 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.