Company lists · Data refreshed October 2026
Top 25 Functional tester suppliers based in the United States
RevenueBase identified 308 company matches for functional tester suppliers associated with the United States as of October 2026 and tracks 41,385 professional contacts across them, including 13,992 with verified work emails. San Jose is the largest hub.
This list covers company matches for functional tester suppliers associated with the United States, 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 October 25, 2026.
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.
The 25 largest functional tester suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 13,548 contacts → | ||||
Exact match “KLA develops industry-leading equipment and services that enable innovation throughout the electronics industry.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 2 | 7,353 contacts → | ||||
Exact match “In 2023, Emerson acquired NI and introduced its new Test & Measurement business group.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 3 | 4,734 contacts → | ||||
Exact match “GAO Tek is a member of GAO Group of Companies, headquartered in New York City, USA & Toronto, Canada with a strong global presence.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 4 | 3,577 contacts → | ||||
Exact match “We design and manufacture test and measurement solutions to break through the walls of complexity and accelerate global innovation.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 5 | 1,578 contacts → | ||||
Exact match “FormFactor is a leading provider of essential test and measurement technologies along the full IC life cycle – from characterization, modeling, reliability, and design debug, to…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 6 | 1,057 contacts → | ||||
Exact match “Instron manufactures and services a wide range of cutting-edge materials testing equipment used by research scientists, design engineers, and quality control managers.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 7 | 822 contacts → | ||||
Exact match “Cohu is the leading supplier of semiconductor test handlers and contactors, and a growing provider of automated test equipment, inspection & metrology solutions, and data…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 8 | 698 contacts → | ||||
Exact match “At Transcat, we are the global leader in test and measurement equipment and calibration services for highly technical industries, including life sciences, power generation…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 9 | 520 contacts → | ||||
Exact match “Link Group, Inc.(LINK), parent to Link Engineering Company, Link Industries and Tescor, consists of businesses that offer customized solutions, with a focus on delivering high…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 10 | 491 contacts → | ||||
Exact match “Teledyne LeCroy is a leading manufacturer of advanced oscilloscopes, protocol analyzers, and other test instruments that verify performance, validate compliance, and debug complex…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 11 | 359 contacts → | ||||
Exact match “Electro Rent is a global leader in test and technology solutions that enable its customers to accelerate innovation and optimize investments.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 12 | 231 contacts → | ||||
Exact match “MGA is recognized worldwide as one of the leading independent providers of testing services and equipment.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 13 | 175 contacts → | ||||
Exact match “GES is among the global leaders in automation, test and measurement.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 14 | 165 contacts → | ||||
Exact match “For more than 55 years, Thermotron has provided quality environmental test equipment.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 15 | 163 contacts → | ||||
Exact match “THE AUTOMOTIVE AFTERMARKET INDUSTRY LEADER Innova Electronics Corporation is a leading supplier of test equipment and diagnostic reporting for the automotive aftermarket, offering…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 16 | 144 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 17 | 144 contacts → | ||||
Exact match “Founded in 1958, Trio-Tech International (NYSE MKT: TRT) is a leading provider of semiconductor testing services, manufacturing solutions, and value-added distribution services.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 18 | 137 contacts → | ||||
Exact match “RedViking, a Lincoln Electric Company, delivers advanced manufacturing and test solutions that improve efficiency, flexibility, and quality for customers across aerospace…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 19 | 133 contacts → | ||||
Exact match “ISE Labs is a one-stop semiconductor engineering service provider.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 20 | 121 contacts → | ||||
Exact match “Bauer is a world-leader in the design and manufacture of high quality test and support equipment for the commercial and military aviation industries.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 21 | 105 contacts → | ||||
Exact match “Strata-G Solutions provides unrivaled competency in test-system engineering to both commercial and military customers.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 22 | 101 contacts → | ||||
Exact match “For over 25 years, Sentinel-TDS, based in Dallas/Ft.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 23 | 88 contacts → | ||||
Exact match “Standex Electronics has been a leading supplier of electronic and electro-mechanical components for over 40 years.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 24 | 82 contacts → | ||||
Exact match “Delivering world-class electronic test and testability solutions around the globe in semiconductor, systems and functional testing.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 25 | 75 contacts → | ||||
Exact match “For over 50 years, the HABCO name has been synonymous with providing innovative support and test equipment, engine tooling and RFID tool control in aerospace and defense…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “functional tester suppliers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 308 functional tester suppliers based in the United States
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Functional tester suppliers based in the United States at a glance
As of Oct 25, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 308 companies.
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.
- What qualifies
- Company records associated with the United States whose business descriptions match “functional tester suppliers” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 13,992 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 October 25, 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.
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 “functional tester suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many functional tester suppliers are there based in the United States?
RevenueBase identified 308 company matches for functional tester suppliers associated with the United States as of October 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?
KLA tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most functional tester suppliers?
San Jose leads with 11 company records, followed by Fremont (9) and Beaverton (5).
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 13,992 professional contacts with verified work emails tracked across these 308 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 October 25, 2026.
Ready to reach these companies? Verified emails and direct dials for all 308 functional tester suppliers based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Functional tester suppliers by geography
- Functional tester suppliers based in Bangalore, India
- Functional tester suppliers based in Brazil
- Functional tester suppliers based in Canada
- Functional tester suppliers based in France
- Functional tester suppliers based in Germany
- Functional tester suppliers based in India
- Functional tester suppliers based in Italy
- Functional tester suppliers based in Malaysia
- Functional tester suppliers based in Spain
- Functional tester suppliers based in Taiwan
- Functional tester suppliers based in Türkiye
- Functional tester suppliers based in the United Kingdom
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Functional tester suppliers based in Bangalore, India
- Functional tester suppliers based in Brazil
- Functional tester suppliers based in Canada
- Functional tester suppliers based in France
- Functional tester suppliers based in Germany
- Functional tester suppliers based in India
Company intelligence · public preview
Top 25 functional tester suppliers based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 308 matching company records for functional tester suppliers based in the United States, with 41,385 tracked contacts and 13,992 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 25, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 functional tester suppliers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  KLAkla.comHQ: Milpitas, CA, United StatesReported employees: 10001+ | Milpitas, CA, United States | 10001+ | Exact match | 13,548 contacts → |
“KLA develops industry-leading equipment and services that enable innovation throughout the electronics industry.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  NI National Instrumentsni.comHQ: Austin, TX, United StatesReported employees: 5,001-10,000 | Austin, TX, United States | 5,001-10,000 | Exact match | 7,353 contacts → |
“In 2023, Emerson acquired NI and introduced its new Test & Measurement business group.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Gaotek INCgaotek.com HQ: New York, NY, United StatesReported employees: Not recorded | New York, NY, United States | Not recorded | Exact match | 4,734 contacts → |
“GAO Tek is a member of GAO Group of Companies, headquartered in New York City, USA & Toronto, Canada with a strong global presence.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Tektronixtek.comHQ: Beaverton, OR, United StatesReported employees: 1,001-5,000 | Beaverton, OR, United States | 1,001-5,000 | Exact match | 3,577 contacts → |
“We design and manufacture test and measurement solutions to break through the walls of complexity and accelerate global innovation.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Formfactor INCformfactor.com HQ: Livermore, CA, United StatesReported employees: 1,001-5,000 | Livermore, CA, United States | 1,001-5,000 | Exact match | 1,578 contacts → |
“FormFactor is a leading provider of essential test and measurement technologies along the full IC life cycle – from characterization, modeling, reliability, and design debug, to…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Instroninstron.comHQ: Norwood, MA, United StatesReported employees: 1,001-5,000 | Norwood, MA, United States | 1,001-5,000 | Exact match | 1,057 contacts → |
“Instron manufactures and services a wide range of cutting-edge materials testing equipment used by research scientists, design engineers, and quality control managers.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Cohu, INCcohu.com HQ: San Diego, CA, United StatesReported employees: 1,001-5,000 | San Diego, CA, United States | 1,001-5,000 | Exact match | 822 contacts → |
“Cohu is the leading supplier of semiconductor test handlers and contactors, and a growing provider of automated test equipment, inspection & metrology solutions, and data…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Transcattranscat.comHQ: Rochester, NY, United StatesReported employees: 501-1,000 | Rochester, NY, United States | 501-1,000 | Exact match | 698 contacts → |
“At Transcat, we are the global leader in test and measurement equipment and calibration services for highly technical industries, including life sciences, power generation…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Link Engineering Companylinkeng.com HQ: Plymouth, MI, United StatesReported employees: 501-1,000 | Plymouth, MI, United States | 501-1,000 | Exact match | 520 contacts → |
“Link Group, Inc.(LINK), parent to Link Engineering Company, Link Industries and Tescor, consists of businesses that offer customized solutions, with a focus on delivering high…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Teledyne Lecroyteledynelecroy.com HQ: Chestnut Ridge, NY, United StatesReported employees: 201-500 | Chestnut Ridge, NY, United States | 201-500 | Exact match | 491 contacts → |
“Teledyne LeCroy is a leading manufacturer of advanced oscilloscopes, protocol analyzers, and other test instruments that verify performance, validate compliance, and debug complex…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Electro Rentelectrorent.com HQ: Los Angeles, CA, United StatesReported employees: 201-500 | Los Angeles, CA, United States | 201-500 | Exact match | 359 contacts → |
“Electro Rent is a global leader in test and technology solutions that enable its customers to accelerate innovation and optimize investments.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  MGA Research Corporationmgaresearch.comHQ: Akron, NY, United StatesReported employees: 201-500 | Akron, NY, United States | 201-500 | Exact match | 231 contacts → |
“MGA is recognized worldwide as one of the leading independent providers of testing services and equipment.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | GESgeservs.com HQ: San Jose, CA, United StatesReported employees: 501-1,000 | San Jose, CA, United States | 501-1,000 | Exact match | 175 contacts → |
“GES is among the global leaders in automation, test and measurement.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Thermotron Industriesthermotron.com HQ: Holland, MI, United StatesReported employees: 201-500 | Holland, MI, United States | 201-500 | Exact match | 165 contacts → |
“For more than 55 years, Thermotron has provided quality environmental test equipment.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Innova Electronics Corpinnova.comHQ: Irvine, CA, United StatesReported employees: 51-200 | Irvine, CA, United States | 51-200 | Exact match | 163 contacts → |
“THE AUTOMOTIVE AFTERMARKET INDUSTRY LEADER Innova Electronics Corporation is a leading supplier of test equipment and diagnostic reporting for the automotive aftermarket, offering…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Circuit Check INCcircuitcheck.comHQ: Maple Grove, MN, United StatesReported employees: 201-500 | Maple Grove, MN, United States | 201-500 | Exact match | 144 contacts → |
“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…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Trio-Tech Internationaltriotech.com HQ: Van Nuys, CA, United StatesReported employees: 501-1,000 | Van Nuys, CA, United States | 501-1,000 | Exact match | 144 contacts → |
“Founded in 1958, Trio-Tech International (NYSE MKT: TRT) is a leading provider of semiconductor testing services, manufacturing solutions, and value-added distribution services.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Redviking, A Lincoln Electric Companyredviking.comHQ: Plymouth, MI, United StatesReported employees: 51-200 | Plymouth, MI, United States | 51-200 | Exact match | 137 contacts → |
“RedViking, a Lincoln Electric Company, delivers advanced manufacturing and test solutions that improve efficiency, flexibility, and quality for customers across aerospace…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | ISE Labs ASEiselabs.com HQ: Fremont, CA, United StatesReported employees: 51-200 | Fremont, CA, United States | 51-200 | Exact match | 133 contacts → |
“ISE Labs is a one-stop semiconductor engineering service provider.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  BAUERbauerct.comHQ: Bristol, CT, United StatesReported employees: 51-200 | Bristol, CT, United States | 51-200 | Exact match | 121 contacts → |
“Bauer is a world-leader in the design and manufacture of high quality test and support equipment for the commercial and military aviation industries.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Strata-G Solutions, LLCstratag-llc.comHQ: Huntsville, AL, United StatesReported employees: 51-200 | Huntsville, AL, United States | 51-200 | Exact match | 105 contacts → |
“Strata-G Solutions provides unrivaled competency in test-system engineering to both commercial and military customers.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Technical Diagnostic Servicestdssolutions.com HQ: Fort Worth, TX, United StatesReported employees: 201-500 | Fort Worth, TX, United States | 201-500 | Exact match | 101 contacts → |
“For over 25 years, Sentinel-TDS, based in Dallas/Ft.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Standex Electronicsstandexelectronics.comHQ: Cincinnati, OH, United StatesReported employees: 501-1,000 | Cincinnati, OH, United States | 501-1,000 | Exact match | 88 contacts → |
“Standex Electronics has been a leading supplier of electronic and electro-mechanical components for over 40 years.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | ANORAanoralabs.com HQ: Richardson, TX, United StatesReported employees: 201-500 | Richardson, TX, United States | 201-500 | Exact match | 82 contacts → |
“Delivering world-class electronic test and testability solutions around the globe in semiconductor, systems and functional testing.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Habco Industrieshabco.bizHQ: Glastonbury, CT, United StatesReported employees: 51-200 | Glastonbury, CT, United States | 51-200 | Exact match | 75 contacts → |
“For over 50 years, the HABCO name has been synonymous with providing innovative support and test equipment, engine tooling and RFID tool control in aerospace and defense…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 308 company matches
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Functional tester suppliers: dataset insights
October 25, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
308 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 308 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 25, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for functional tester suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many functional tester suppliers did RevenueBase find based in the United States?
The saved snapshot records 308 matching company records, 41,385 tracked contacts and 13,992 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 25, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Functional tester suppliers by geography
- Functional tester suppliers based in Bangalore, India
- Functional tester suppliers based in Brazil
- Functional tester suppliers based in Canada
- Functional tester suppliers based in France
- Functional tester suppliers based in Germany
- Functional tester suppliers based in India
- Functional tester suppliers based in Italy
- Functional tester suppliers based in Malaysia
- Functional tester suppliers based in Spain
- Functional tester suppliers based in Taiwan
- Functional tester suppliers based in Türkiye
- Functional tester suppliers based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 functional tester suppliers based in the United States. Snapshot: October 25, 2026. https://revenuebase.ai/companies/functional-tester-suppliers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Functional tester suppliers based in Bangalore, India
- Functional tester suppliers based in Brazil
- Functional tester suppliers based in Canada
- Functional tester suppliers based in France
- Functional tester suppliers based in Germany
- Functional tester suppliers based in India
Company intelligence · public preview
Top 25 functional tester suppliers based in the United States
RevenueBase records 308 matching company records for functional tester suppliers based in the United States, with 41,385 tracked contacts and 13,992 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 25, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 functional tester suppliers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | KLAkla.com HQ: Milpitas, CA, United StatesReported employees: 10001+ | Milpitas, CA, United States | 10001+ | Exact match | 13,548 contacts → |
“KLA develops industry-leading equipment and services that enable innovation throughout the electronics industry.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | NI National Instrumentsni.com HQ: Austin, TX, United StatesReported employees: 5,001-10,000 | Austin, TX, United States | 5,001-10,000 | Exact match | 7,353 contacts → |
“In 2023, Emerson acquired NI and introduced its new Test & Measurement business group.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Gaotek INCgaotek.com HQ: New York, NY, United StatesReported employees: Not recorded | New York, NY, United States | Not recorded | Exact match | 4,734 contacts → |
“GAO Tek is a member of GAO Group of Companies, headquartered in New York City, USA & Toronto, Canada with a strong global presence.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Tektronixtek.com HQ: Beaverton, OR, United StatesReported employees: 1,001-5,000 | Beaverton, OR, United States | 1,001-5,000 | Exact match | 3,577 contacts → |
“We design and manufacture test and measurement solutions to break through the walls of complexity and accelerate global innovation.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Formfactor INCformfactor.com HQ: Livermore, CA, United StatesReported employees: 1,001-5,000 | Livermore, CA, United States | 1,001-5,000 | Exact match | 1,578 contacts → |
“FormFactor is a leading provider of essential test and measurement technologies along the full IC life cycle – from characterization, modeling, reliability, and design debug, to…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Instroninstron.com HQ: Norwood, MA, United StatesReported employees: 1,001-5,000 | Norwood, MA, United States | 1,001-5,000 | Exact match | 1,057 contacts → |
“Instron manufactures and services a wide range of cutting-edge materials testing equipment used by research scientists, design engineers, and quality control managers.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Cohu, INCcohu.com HQ: San Diego, CA, United StatesReported employees: 1,001-5,000 | San Diego, CA, United States | 1,001-5,000 | Exact match | 822 contacts → |
“Cohu is the leading supplier of semiconductor test handlers and contactors, and a growing provider of automated test equipment, inspection & metrology solutions, and data…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Transcattranscat.com HQ: Rochester, NY, United StatesReported employees: 501-1,000 | Rochester, NY, United States | 501-1,000 | Exact match | 698 contacts → |
“At Transcat, we are the global leader in test and measurement equipment and calibration services for highly technical industries, including life sciences, power generation…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Link Engineering Companylinkeng.com HQ: Plymouth, MI, United StatesReported employees: 501-1,000 | Plymouth, MI, United States | 501-1,000 | Exact match | 520 contacts → |
“Link Group, Inc.(LINK), parent to Link Engineering Company, Link Industries and Tescor, consists of businesses that offer customized solutions, with a focus on delivering high…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Teledyne Lecroyteledynelecroy.com HQ: Chestnut Ridge, NY, United StatesReported employees: 201-500 | Chestnut Ridge, NY, United States | 201-500 | Exact match | 491 contacts → |
“Teledyne LeCroy is a leading manufacturer of advanced oscilloscopes, protocol analyzers, and other test instruments that verify performance, validate compliance, and debug complex…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Electro Rentelectrorent.com HQ: Los Angeles, CA, United StatesReported employees: 201-500 | Los Angeles, CA, United States | 201-500 | Exact match | 359 contacts → |
“Electro Rent is a global leader in test and technology solutions that enable its customers to accelerate innovation and optimize investments.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | MGA Research Corporationmgaresearch.com HQ: Akron, NY, United StatesReported employees: 201-500 | Akron, NY, United States | 201-500 | Exact match | 231 contacts → |
“MGA is recognized worldwide as one of the leading independent providers of testing services and equipment.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | GESgeservs.com HQ: San Jose, CA, United StatesReported employees: 501-1,000 | San Jose, CA, United States | 501-1,000 | Exact match | 175 contacts → |
“GES is among the global leaders in automation, test and measurement.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Thermotron Industriesthermotron.com HQ: Holland, MI, United StatesReported employees: 201-500 | Holland, MI, United States | 201-500 | Exact match | 165 contacts → |
“For more than 55 years, Thermotron has provided quality environmental test equipment.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Innova Electronics Corpinnova.com HQ: Irvine, CA, United StatesReported employees: 51-200 | Irvine, CA, United States | 51-200 | Exact match | 163 contacts → |
“THE AUTOMOTIVE AFTERMARKET INDUSTRY LEADER Innova Electronics Corporation is a leading supplier of test equipment and diagnostic reporting for the automotive aftermarket, offering…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Circuit Check INCcircuitcheck.com HQ: Maple Grove, MN, United StatesReported employees: 201-500 | Maple Grove, MN, United States | 201-500 | Exact match | 144 contacts → |
“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…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Trio-Tech Internationaltriotech.com HQ: Van Nuys, CA, United StatesReported employees: 501-1,000 | Van Nuys, CA, United States | 501-1,000 | Exact match | 144 contacts → |
“Founded in 1958, Trio-Tech International (NYSE MKT: TRT) is a leading provider of semiconductor testing services, manufacturing solutions, and value-added distribution services.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Redviking, A Lincoln Electric Companyredviking.com HQ: Plymouth, MI, United StatesReported employees: 51-200 | Plymouth, MI, United States | 51-200 | Exact match | 137 contacts → |
“RedViking, a Lincoln Electric Company, delivers advanced manufacturing and test solutions that improve efficiency, flexibility, and quality for customers across aerospace…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | ISE Labs ASEiselabs.com HQ: Fremont, CA, United StatesReported employees: 51-200 | Fremont, CA, United States | 51-200 | Exact match | 133 contacts → |
“ISE Labs is a one-stop semiconductor engineering service provider.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | BAUERbauerct.com HQ: Bristol, CT, United StatesReported employees: 51-200 | Bristol, CT, United States | 51-200 | Exact match | 121 contacts → |
“Bauer is a world-leader in the design and manufacture of high quality test and support equipment for the commercial and military aviation industries.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Strata-G Solutions, LLCstratag-llc.com HQ: Huntsville, AL, United StatesReported employees: 51-200 | Huntsville, AL, United States | 51-200 | Exact match | 105 contacts → |
“Strata-G Solutions provides unrivaled competency in test-system engineering to both commercial and military customers.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Technical Diagnostic Servicestdssolutions.com HQ: Fort Worth, TX, United StatesReported employees: 201-500 | Fort Worth, TX, United States | 201-500 | Exact match | 101 contacts → |
“For over 25 years, Sentinel-TDS, based in Dallas/Ft.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Standex Electronicsstandexelectronics.com HQ: Cincinnati, OH, United StatesReported employees: 501-1,000 | Cincinnati, OH, United States | 501-1,000 | Exact match | 88 contacts → |
“Standex Electronics has been a leading supplier of electronic and electro-mechanical components for over 40 years.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | ANORAanoralabs.com HQ: Richardson, TX, United StatesReported employees: 201-500 | Richardson, TX, United States | 201-500 | Exact match | 82 contacts → |
“Delivering world-class electronic test and testability solutions around the globe in semiconductor, systems and functional testing.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Habco Industrieshabco.biz HQ: Glastonbury, CT, United StatesReported employees: 51-200 | Glastonbury, CT, United States | 51-200 | Exact match | 75 contacts → |
“For over 50 years, the HABCO name has been synonymous with providing innovative support and test equipment, engine tooling and RFID tool control in aerospace and defense…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 308 company matches
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Functional tester suppliers: dataset insights
October 25, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
308 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 308 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 25, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for functional tester suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many functional tester suppliers did RevenueBase find based in the United States?
The saved snapshot records 308 matching company records, 41,385 tracked contacts and 13,992 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 25, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Functional tester suppliers by geography
- Functional tester suppliers based in Bangalore, India
- Functional tester suppliers based in Brazil
- Functional tester suppliers based in Canada
- Functional tester suppliers based in France
- Functional tester suppliers based in Germany
- Functional tester suppliers based in India
- Functional tester suppliers based in Italy
- Functional tester suppliers based in Malaysia
- Functional tester suppliers based in Spain
- Functional tester suppliers based in Taiwan
- Functional tester suppliers based in Türkiye
- Functional tester suppliers based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 functional tester suppliers based in the United States. Snapshot: October 25, 2026. https://revenuebase.ai/companies/functional-tester-suppliers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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