Company lists · Data refreshed September 2026
Top 25 Test centers worldwide
RevenueBase identified 236 company matches for test centers worldwide as of September 2026 and tracks 4,978 professional contacts across them, including 589 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers company matches for test centers 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 September 22, 2026. Country and city lists for test centers 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.
The 25 largest test centers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,022 contacts → | ||||
Exact match “PSI has over 70 years of experience providing worldwide testing solutions to corporations, federal and state government agencies, professional associations, certifying bodies and…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 2 | 398 contacts → | ||||
Exact match “Meazure Learning provides secure, reliable, and convenient test development, administration, and delivery solutions for academic and professional credentialing programs.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 3 | 342 contacts → | ||||
Exact match “Accu Reference Medical Lab is a state-of-the-art medical testing laboratory service that provides a complete range of tests for diagnosis, screening or evaluation of diseases and…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 4 | 229 contacts → | ||||
Exact match “At Kryterion, we know a thing or two about test delivery.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 5 | 203 contacts → | ||||
Exact match “uExamS is the leading global provider of test & training support solutions.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 6 | 115 contacts → | ||||
Exact match “Surpass is a global leader in digital assessment services, providing credentialing organizations worldwide with an extensive test center network, high-quality online proctoring…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 7 | 108 contacts → | ||||
Exact match “Todas las pruebas que necesités te las podés hacer en cualquiera de nuestras sucursales.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 8 | 82 contacts → | ||||
Exact match “Delivering Globally Trusted Assessment Services, Anytime, Anywhere.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 9 | 81 contacts → | ||||
Exact match “Swiss Exams is a leading organisation in exam management.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 10 | 64 contacts → | ||||
Exact match “BHP Laboratories are an independent test facility providing a wide range of engineering and scientific measuring, testing and analyzing services to numerous industries throughout…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 11 | 50 contacts → | ||||
Exact match “For media inquiries, please email press@caveon.com As pioneers in Exam Security for more than 20 years, Caveon offers innovative solutions to prevent, detect, and respond to exam…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 12 | 45 contacts → | ||||
Exact match “Since 1970, Michelson Laboratories has provided efficient testing and analyses to an extensive spectrum of customers.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 13 | 30 contacts → | ||||
Exact match “Centro de Lenguas Extranjeras Este Centro cuenta con el registro No.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 14 | 24 contacts → | ||||
Exact match “GH Premier: Home of the NPTE, TOEFL, IELTS, & PTE Champions, powered by former Jrooz employees.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 15 | 22 contacts → | ||||
Exact match “Professional examination deserves a professional environment Lamark supplies Examination Providers with facilities and services.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 16 | 20 contacts → | ||||
Exact match “At Inno Lab Engineering Sdn Bhd, we provide impeccable total solutions and services to all industries that touch the lives of millions of people across the globe.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 17 | 20 contacts → | ||||
Exact match “Ineltec is a company with more than 30 years of experience in its sector, with equipment installed all around the world.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 18 | 18 contacts → | ||||
Exact match “Cognoscente has a wide range of delivery the products, Solutions, Infra to the SME's and help them to grow rapidly.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 19 | 16 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 20 | 16 contacts → | ||||
Exact match “Phòng thi ảo chuẩn Cambridge, Flyers, Movers, TOEFL Primary, Starters” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 21 | 14 contacts → | ||||
Exact match “CMS is a full-service testing services company, including online test administration, test design and development, psychometric reviews and evaluations, the AUTHORWise item…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 22 | 14 contacts → | ||||
Exact match “Professional Credential Services, Inc.(PCS) is a specialized service provider for examination development, examination administration, licensing and certification services to…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 23 | 11 contacts → | ||||
Exact match “Occustar is a leading on-site examination services provider that’s been helping businesses and organizations’ control costs, streamline their process, and solidify recordkeeping…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 24 | 11 contacts → | ||||
Exact match “Prepona prepares and delivers computer-based exams on behalf of a growing number of certifying bodies thoughout Brazil.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 25 | 10 contacts → | ||||
Exact match “For over two decades, RegisterBlast has served as the extra pair of hands busy campus staff needed.” Recorded in the RevenueBase company graph · Sep 22, 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 “test centers”. 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 236 test centers worldwide
See the full list, filter by size, metro and specialty, and access 589 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Test centers worldwide at a glance
As of Sep 22, 2026Companies by employee count
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 test centers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “test centers” 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 589 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 September 22, 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.
Test centers by location
1 lists · largest firstEvery Test centers 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 “test centers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many test centers are there worldwide?
RevenueBase identified 236 company matches for test centers worldwide as of September 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?
PSI Services LLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most test centers?
The United States leads with 34 companies. Every test centers list by country and city is linked on this page.
Which city has the most test centers?
Sao Paulo leads with 4 company records, followed by Ciudad De Mexico (3) and Delhi (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 589 professional contacts with verified work emails tracked across these 236 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 September 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 236 test centers worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 test centers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 236 matching company records for test centers worldwide, with 4,978 tracked contacts and 589 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: September 22, 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 test centers worldwide
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 |  PSI Services LLCpsiexams.comHQ: Olathe, KS, United StatesReported employees: 1,001-5,000 | Olathe, KS, United States | 1,001-5,000 | Exact match | 1,022 contacts → |
“PSI has over 70 years of experience providing worldwide testing solutions to corporations, federal and state government agencies, professional associations, certifying bodies and…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Meazure Learningmeazurelearning.comHQ: Mclean, VA, United StatesReported employees: 1,001-5,000 | Mclean, VA, United States | 1,001-5,000 | Exact match | 398 contacts → |
“Meazure Learning provides secure, reliable, and convenient test development, administration, and delivery solutions for academic and professional credentialing programs.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Accu Reference Medical LABaccureference.comHQ: Linden, NJ, United StatesReported employees: 501-1,000 | Linden, NJ, United States | 501-1,000 | Exact match | 342 contacts → |
“Accu Reference Medical Lab is a state-of-the-art medical testing laboratory service that provides a complete range of tests for diagnosis, screening or evaluation of diseases and…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Kryterion, INCkryterion.comHQ: Phoenix, AZ, United StatesReported employees: 201-500 | Phoenix, AZ, United States | 201-500 | Exact match | 229 contacts → |
“At Kryterion, we know a thing or two about test delivery.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Uexamsuexams.comHQ: Rockville, MD, United StatesReported employees: 5,001-10,000 | Rockville, MD, United States | 5,001-10,000 | Exact match | 203 contacts → |
“uExamS is the leading global provider of test & training support solutions.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Surpass Assessmentsurpass.comHQ: Saltaire, United KingdomReported employees: 51-200 | Saltaire, United Kingdom | 51-200 | Exact match | 115 contacts → |
“Surpass is a global leader in digital assessment services, providing credentialing organizations worldwide with an extensive test center network, high-quality online proctoring…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | LABINlabinlab.com HQ: Zapote, Costa RicaReported employees: 51-200 | Zapote, Costa Rica | 51-200 | Exact match | 108 contacts → |
“Todas las pruebas que necesités te las podés hacer en cualquiera de nuestras sucursales.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | ASPEQaspeq.com HQ: Lower Hutt, New ZealandReported employees: 11-50 | Lower Hutt, New Zealand | 11-50 | Exact match | 82 contacts → |
“Delivering Globally Trusted Assessment Services, Anytime, Anywhere.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Swiss Examsswiss-exams.ch HQ: Winterthur, SwitzerlandReported employees: 11-50 | Winterthur, Switzerland | 11-50 | Exact match | 81 contacts → |
“Swiss Exams is a leading organisation in exam management.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  BHP Laboratoriesbhp.ieHQ: Limerick, IrelandReported employees: 51-200 | Limerick, Ireland | 51-200 | Exact match | 64 contacts → |
“BHP Laboratories are an independent test facility providing a wide range of engineering and scientific measuring, testing and analyzing services to numerous industries throughout…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Caveoncaveon.comHQ: Midvale, UT, United StatesReported employees: 51-200 | Midvale, UT, United States | 51-200 | Exact match | 50 contacts → |
“For media inquiries, please email press@caveon.com As pioneers in Exam Security for more than 20 years, Caveon offers innovative solutions to prevent, detect, and respond to exam…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Michelson Laboratories, INCmichelsonlab.com HQ: Commerce, CA, United StatesReported employees: 51-200 | Commerce, CA, United States | 51-200 | Exact match | 45 contacts → |
“Since 1970, Michelson Laboratories has provided efficient testing and analyses to an extensive spectrum of customers.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Cenlexstomas.cenlex.ipn.mx HQ: Ciudad De México, MexicoReported employees: 11-50 | Ciudad De México, Mexico | 11-50 | Exact match | 30 contacts → |
“Centro de Lenguas Extranjeras Este Centro cuenta con el registro No.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | GH Premier Review Centerghpremierreview.com HQ: Manila, PhilippinesReported employees: 51-200 | Manila, Philippines | 51-200 | Exact match | 24 contacts → |
“GH Premier: Home of the NPTE, TOEFL, IELTS, & PTE Champions, powered by former Jrooz employees.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Lamarklamark.com HQ: Arnhem, NetherlandsReported employees: 1-10 | Arnhem, Netherlands | 1-10 | Exact match | 22 contacts → |
“Professional examination deserves a professional environment Lamark supplies Examination Providers with facilities and services.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Inno LAB Engineering SDN BHDilab.com.my HQ: Subang Jaya, MalaysiaReported employees: 11-50 | Subang Jaya, Malaysia | 11-50 | Exact match | 20 contacts → |
“At Inno Lab Engineering Sdn Bhd, we provide impeccable total solutions and services to all industries that touch the lives of millions of people across the globe.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Ineltecineltec.es HQ: Tona, SpainReported employees: 11-50 | Tona, Spain | 11-50 | Exact match | 20 contacts → |
“Ineltec is a company with more than 30 years of experience in its sector, with equipment installed all around the world.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Cognoscente Invnted PVT LTDinvnted.comHQ: Noida, IndiaReported employees: 11-50 | Noida, India | 11-50 | Exact match | 18 contacts → |
“Cognoscente has a wide range of delivery the products, Solutions, Infra to the SME's and help them to grow rapidly.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Universita' Degli Studi DI Firenzeecdluf01.siaf.unifi.it HQ: Firenze, ItalyReported employees: 1-10 | Firenze, Italy | 1-10 | Exact match | 16 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | FLYERflyer.us HQ: Hà Nội, VietnamReported employees: 11-50 | Hà Nội, Vietnam | 11-50 | Exact match | 16 contacts → |
“Phòng thi ảo chuẩn Cambridge, Flyers, Movers, TOEFL Primary, Starters” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Certification Management Servicesitemexperts.comHQ: Heber City, UT, United StatesReported employees: 1-10 | Heber City, UT, United States | 1-10 | Exact match | 14 contacts → |
“CMS is a full-service testing services company, including online test administration, test design and development, psychometric reviews and evaluations, the AUTHORWise item…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Nashville, TN, United StatesReported employees: 11-50 | Nashville, TN, United States | 11-50 | Exact match | 14 contacts → |
“Professional Credential Services, Inc.(PCS) is a specialized service provider for examination development, examination administration, licensing and certification services to…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Occustar Workplace Complianceoccustarofwny.com HQ: Buffalo, NY, United StatesReported employees: 11-50 | Buffalo, NY, United States | 11-50 | Exact match | 11 contacts → |
“Occustar is a leading on-site examination services provider that’s been helping businesses and organizations’ control costs, streamline their process, and solidify recordkeeping…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Prepona S.Aprepona.comHQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 11 contacts → |
“Prepona prepares and delivers computer-based exams on behalf of a growing number of certifying bodies thoughout Brazil.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Registerblastregisterblast.com HQ: Franklin, TN, United StatesReported employees: 1-10 | Franklin, TN, United States | 1-10 | Exact match | 10 contacts → |
“For over two decades, RegisterBlast has served as the extra pair of hands busy campus staff needed.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 236 company matches
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Test centers: dataset insights
September 22, 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
236 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 236 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: September 22, 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 ↗
Test centers by location
1 lists · largest firstEvery Test centers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for test centers?
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 test centers did RevenueBase find worldwide?
The saved snapshot records 236 matching company records, 4,978 tracked contacts and 589 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: September 22, 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
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Cite this list
RevenueBase Data Team. Top 25 test centers worldwide. Snapshot: September 22, 2026. https://revenuebase.ai/companies/browse/test-centers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 test centers worldwide
RevenueBase records 236 matching company records for test centers worldwide, with 4,978 tracked contacts and 589 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: September 22, 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 test centers worldwide
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 | PSI Services LLCpsiexams.com HQ: Olathe, KS, United StatesReported employees: 1,001-5,000 | Olathe, KS, United States | 1,001-5,000 | Exact match | 1,022 contacts → |
“PSI has over 70 years of experience providing worldwide testing solutions to corporations, federal and state government agencies, professional associations, certifying bodies and…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Meazure Learningmeazurelearning.com HQ: Mclean, VA, United StatesReported employees: 1,001-5,000 | Mclean, VA, United States | 1,001-5,000 | Exact match | 398 contacts → |
“Meazure Learning provides secure, reliable, and convenient test development, administration, and delivery solutions for academic and professional credentialing programs.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Accu Reference Medical LABaccureference.com HQ: Linden, NJ, United StatesReported employees: 501-1,000 | Linden, NJ, United States | 501-1,000 | Exact match | 342 contacts → |
“Accu Reference Medical Lab is a state-of-the-art medical testing laboratory service that provides a complete range of tests for diagnosis, screening or evaluation of diseases and…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Kryterion, INCkryterion.com HQ: Phoenix, AZ, United StatesReported employees: 201-500 | Phoenix, AZ, United States | 201-500 | Exact match | 229 contacts → |
“At Kryterion, we know a thing or two about test delivery.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Uexamsuexams.com HQ: Rockville, MD, United StatesReported employees: 5,001-10,000 | Rockville, MD, United States | 5,001-10,000 | Exact match | 203 contacts → |
“uExamS is the leading global provider of test & training support solutions.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Surpass Assessmentsurpass.com HQ: Saltaire, United KingdomReported employees: 51-200 | Saltaire, United Kingdom | 51-200 | Exact match | 115 contacts → |
“Surpass is a global leader in digital assessment services, providing credentialing organizations worldwide with an extensive test center network, high-quality online proctoring…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | LABINlabinlab.com HQ: Zapote, Costa RicaReported employees: 51-200 | Zapote, Costa Rica | 51-200 | Exact match | 108 contacts → |
“Todas las pruebas que necesités te las podés hacer en cualquiera de nuestras sucursales.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | ASPEQaspeq.com HQ: Lower Hutt, New ZealandReported employees: 11-50 | Lower Hutt, New Zealand | 11-50 | Exact match | 82 contacts → |
“Delivering Globally Trusted Assessment Services, Anytime, Anywhere.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Swiss Examsswiss-exams.ch HQ: Winterthur, SwitzerlandReported employees: 11-50 | Winterthur, Switzerland | 11-50 | Exact match | 81 contacts → |
“Swiss Exams is a leading organisation in exam management.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | BHP Laboratoriesbhp.ie HQ: Limerick, IrelandReported employees: 51-200 | Limerick, Ireland | 51-200 | Exact match | 64 contacts → |
“BHP Laboratories are an independent test facility providing a wide range of engineering and scientific measuring, testing and analyzing services to numerous industries throughout…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Caveoncaveon.com HQ: Midvale, UT, United StatesReported employees: 51-200 | Midvale, UT, United States | 51-200 | Exact match | 50 contacts → |
“For media inquiries, please email press@caveon.com As pioneers in Exam Security for more than 20 years, Caveon offers innovative solutions to prevent, detect, and respond to exam…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Michelson Laboratories, INCmichelsonlab.com HQ: Commerce, CA, United StatesReported employees: 51-200 | Commerce, CA, United States | 51-200 | Exact match | 45 contacts → |
“Since 1970, Michelson Laboratories has provided efficient testing and analyses to an extensive spectrum of customers.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Cenlexstomas.cenlex.ipn.mx HQ: Ciudad De México, MexicoReported employees: 11-50 | Ciudad De México, Mexico | 11-50 | Exact match | 30 contacts → |
“Centro de Lenguas Extranjeras Este Centro cuenta con el registro No.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | GH Premier Review Centerghpremierreview.com HQ: Manila, PhilippinesReported employees: 51-200 | Manila, Philippines | 51-200 | Exact match | 24 contacts → |
“GH Premier: Home of the NPTE, TOEFL, IELTS, & PTE Champions, powered by former Jrooz employees.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Lamarklamark.com HQ: Arnhem, NetherlandsReported employees: 1-10 | Arnhem, Netherlands | 1-10 | Exact match | 22 contacts → |
“Professional examination deserves a professional environment Lamark supplies Examination Providers with facilities and services.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Inno LAB Engineering SDN BHDilab.com.my HQ: Subang Jaya, MalaysiaReported employees: 11-50 | Subang Jaya, Malaysia | 11-50 | Exact match | 20 contacts → |
“At Inno Lab Engineering Sdn Bhd, we provide impeccable total solutions and services to all industries that touch the lives of millions of people across the globe.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Ineltecineltec.es HQ: Tona, SpainReported employees: 11-50 | Tona, Spain | 11-50 | Exact match | 20 contacts → |
“Ineltec is a company with more than 30 years of experience in its sector, with equipment installed all around the world.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Cognoscente Invnted PVT LTDinvnted.com HQ: Noida, IndiaReported employees: 11-50 | Noida, India | 11-50 | Exact match | 18 contacts → |
“Cognoscente has a wide range of delivery the products, Solutions, Infra to the SME's and help them to grow rapidly.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Universita' Degli Studi DI Firenzeecdluf01.siaf.unifi.it HQ: Firenze, ItalyReported employees: 1-10 | Firenze, Italy | 1-10 | Exact match | 16 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | FLYERflyer.us HQ: Hà Nội, VietnamReported employees: 11-50 | Hà Nội, Vietnam | 11-50 | Exact match | 16 contacts → |
“Phòng thi ảo chuẩn Cambridge, Flyers, Movers, TOEFL Primary, Starters” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Certification Management Servicesitemexperts.com HQ: Heber City, UT, United StatesReported employees: 1-10 | Heber City, UT, United States | 1-10 | Exact match | 14 contacts → |
“CMS is a full-service testing services company, including online test administration, test design and development, psychometric reviews and evaluations, the AUTHORWise item…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Nashville, TN, United StatesReported employees: 11-50 | Nashville, TN, United States | 11-50 | Exact match | 14 contacts → |
“Professional Credential Services, Inc.(PCS) is a specialized service provider for examination development, examination administration, licensing and certification services to…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Occustar Workplace Complianceoccustarofwny.com HQ: Buffalo, NY, United StatesReported employees: 11-50 | Buffalo, NY, United States | 11-50 | Exact match | 11 contacts → |
“Occustar is a leading on-site examination services provider that’s been helping businesses and organizations’ control costs, streamline their process, and solidify recordkeeping…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Prepona S.Aprepona.com HQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 11 contacts → |
“Prepona prepares and delivers computer-based exams on behalf of a growing number of certifying bodies thoughout Brazil.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Registerblastregisterblast.com HQ: Franklin, TN, United StatesReported employees: 1-10 | Franklin, TN, United States | 1-10 | Exact match | 10 contacts → |
“For over two decades, RegisterBlast has served as the extra pair of hands busy campus staff needed.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 236 company matches
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Test centers: dataset insights
September 22, 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
236 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 236 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: September 22, 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 ↗
Test centers by location
1 lists · largest firstEvery Test centers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for test centers?
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 test centers did RevenueBase find worldwide?
The saved snapshot records 236 matching company records, 4,978 tracked contacts and 589 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: September 22, 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
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Cite this list
RevenueBase Data Team. Top 25 test centers worldwide. Snapshot: September 22, 2026. https://revenuebase.ai/companies/browse/test-centers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗