Company lists · Data refreshed November 2026
Top 23 Localization testing services based in the United States
RevenueBase identified 289 company matches for localization testing services associated with the United States as of November 2026 and tracks 21,014 professional contacts across them, including 4,140 with verified work emails. New York is the largest hub.
This list covers company matches for localization testing services 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 November 6, 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 23 largest localization testing services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 9,103 contacts → | ||||
Exact match “Lionbridge partners with brands to break barriers and build bridges all over the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 5,035 contacts → | ||||
Exact match “Welocalize, a Welo Global brand, serves localization teams through AI-enabled multilingual content solutions that enable enterprises to operate and scale globally.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 501 contacts → | ||||
Exact match “Unlock new worlds!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 369 contacts → | ||||
Exact match “Iyuno Media Group acquired SDI Media in 2021.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 330 contacts → | ||||
Exact match “Acclaro is a content intelligence solutions business, helping brands communicate with purpose, precision, and global impact.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 252 contacts → | ||||
Exact match “Lokalise is the most loved and trusted localization tool – partnering with over companies globally across product, engineering, marketing, content and design teams.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 224 contacts → | ||||
Exact match “Pacific Interpreters is now part of LanguageLine Solutions a comprehensive language solutions provider, helping to eliminate language barriers by offering interpreting via phone…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 163 contacts → | ||||
Exact match “ALTA is an employee-owned language services company specializing in enterprise-level translation services, language proficiency testing, and innovative language training programs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 149 contacts → | ||||
Exact match “Translations.com is the world’s leading provider of technology and language solutions to power global digital initiatives.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 147 contacts → | ||||
Exact match “Alconost handles every aspect of localization, from translation and cultural adaptation to continuous multilingual content updates and engineering, so you can focus on your top…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 128 contacts → | ||||
Exact match “Ulatus, a Crimson Interactive company, is a trusted brand for professional localization services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 112 contacts → | ||||
Exact match “Rooted in language and cultural accuracy, our localization solutions have laid the foundation for us to emerge as a legacy of unsurpassed quality worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 104 contacts → | ||||
Exact match “Language Scientific is a US-based global provider of translation and localization services, specializing in tailored solutions that address the specific needs of each industry and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 95 contacts → | ||||
Exact match “For over 20 years, Palex has empowered software, multimedia, e-learning, and medical device companies with world-class translation and localization solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 84 contacts → | ||||
Exact match “Idea Translations is a professional translation company created by a group of multilingual professionals.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 78 contacts → | ||||
Exact match “InfOhana is a premium language localization partner helping content creators, media companies, entertainment brands, streaming platforms, agencies, and global businesses connect…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 68 contacts → | ||||
Exact match “Over one billion people worldwide benefit from SimulTrans’ translations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 66 contacts → | ||||
Exact match “Glyph Language Services offers comprehensive localization and translation services for Games, eLearning, Web, Corporate Communications, Marketing, Software, Multimedia projects…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 57 contacts → | ||||
Exact match “MediaLocate is a leading full-service localization company providing technology-driven language solutions to global businesses, large and small.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 57 contacts → | ||||
Exact match “CommGap is a full service international communications agency providing spoken word interpretation, document translation, voice-over, website development, language training…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 54 contacts → | ||||
Exact match “g11n is a global provider of language services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 51 contacts → | ||||
Exact match “Into Languages Global was established in 2001, and has provided superior language translation, interpretation and localization services to clients around the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 46 contacts → | ||||
Exact match “Since 2005, we have been helping companies extend their global reach using nimble, cost-effective solutions.” Recorded in the RevenueBase company graph · Nov 6, 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 “localization testing services”. 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 23 of 289 localization testing services based in the United States
See the full list, filter by size, metro and specialty, and access 4,140 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Localization testing services based in the United States at a glance
As of Nov 6, 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 289 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 “localization testing services” 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 4,140 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Localization testing services by metro
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 “localization testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many localization testing services are there based in the United States?
RevenueBase identified 289 company matches for localization testing services associated with the United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Lionbridge tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most localization testing services?
New York leads with 27 company records, followed by Miami (9) and San Francisco (9).
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 4,140 professional contacts with verified work emails tracked across these 289 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 289 localization testing services based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Localization testing services by geography
- Localization testing services based in Barcelona, Spain
- Localization testing services based in Madrid, Spain
- Localization testing services based in Istanbul, Türkiye
- Localization testing services based in Dubai, United Arab Emirates
- Localization testing services based in London, United Kingdom
- Localization testing services based in New York, United States
- Localization testing services based in Argentina
- Localization testing services based in Brazil
- Localization testing services based in Canada
- Localization testing services based in Egypt
- Localization testing services based in France
- Localization testing services based in Germany
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
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- New lists
- Localization testing services based in Barcelona, Spain
- Localization testing services based in Madrid, Spain
- Localization testing services based in Istanbul, Türkiye
- Localization testing services based in Dubai, United Arab Emirates
- Localization testing services based in London, United Kingdom
- Localization testing services based in New York, United States
Company intelligence · public preview
Top 23 localization testing services 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 289 matching company records for localization testing services based in the United States, with 21,014 tracked contacts and 4,140 verified work emails.
This public preview shows 23 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 23 localization testing services 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 |  Lionbridgelionbridge.comHQ: Waltham, MA, United StatesReported employees: 5,001-10,000 | Waltham, MA, United States | 5,001-10,000 | Exact match | 9,103 contacts → |
“Lionbridge partners with brands to break barriers and build bridges all over the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Welocalizewelocalize.comHQ: New York, OR, United StatesReported employees: 1,001-5,000 | New York, OR, United States | 1,001-5,000 | Exact match | 5,035 contacts → |
“Welocalize, a Welo Global brand, serves localization teams through AI-enabled multilingual content solutions that enable enterprises to operate and scale globally.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  EC Innovations, INCecinnovations.comHQ: Wilmington, NY, United StatesReported employees: 501-1,000 | Wilmington, NY, United States | 501-1,000 | Exact match | 501 contacts → |
“Unlock new worlds!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Iyuno Media Groupiyuno.comHQ: Burbank, CA, United StatesReported employees: 1,001-5,000 | Burbank, CA, United States | 1,001-5,000 | Exact match | 369 contacts → |
“Iyuno Media Group acquired SDI Media in 2021.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Acclaroacclaro.comHQ: Boston, CA, United StatesReported employees: 51-200 | Boston, CA, United States | 51-200 | Exact match | 330 contacts → |
“Acclaro is a content intelligence solutions business, helping brands communicate with purpose, precision, and global impact.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Lokaliselokalise.comHQ: Dover, DE, United StatesReported employees: 201-500 | Dover, DE, United States | 201-500 | Exact match | 252 contacts → |
“Lokalise is the most loved and trusted localization tool – partnering with over companies globally across product, engineering, marketing, content and design teams.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Pacific Interpreters, A Languageline Solutions Companylanguageline.comHQ: Monterey, CA, United StatesReported employees: 10001+ | Monterey, CA, United States | 10001+ | Exact match | 224 contacts → |
“Pacific Interpreters is now part of LanguageLine Solutions a comprehensive language solutions provider, helping to eliminate language barriers by offering interpreting via phone…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Alta Language Services, INCaltalang.comHQ: Atlanta, GA, United StatesReported employees: 51-200 | Atlanta, GA, United States | 51-200 | Exact match | 163 contacts → |
“ALTA is an employee-owned language services company specializing in enterprise-level translation services, language proficiency testing, and innovative language training programs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  translations.comtranslations.comHQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 149 contacts → |
“Translations.com is the world’s leading provider of technology and language solutions to power global digital initiatives.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Alconostalconost.comHQ: Alexandria, VA, United StatesReported employees: 51-200 | Alexandria, VA, United States | 51-200 | Exact match | 147 contacts → |
“Alconost handles every aspect of localization, from translation and cultural adaptation to continuous multilingual content updates and engineering, so you can focus on your top…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Ulatus Crimson Interactiveulatus.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 128 contacts → |
“Ulatus, a Crimson Interactive company, is a trusted brand for professional localization services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Local Conceptlocalconcept.comHQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 112 contacts → |
“Rooted in language and cultural accuracy, our localization solutions have laid the foundation for us to emerge as a legacy of unsurpassed quality worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Language Scientificlanguagescientific.comHQ: Needham, MA, United StatesReported employees: 51-200 | Needham, MA, United States | 51-200 | Exact match | 104 contacts → |
“Language Scientific is a US-based global provider of translation and localization services, specializing in tailored solutions that address the specific needs of each industry and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Palex Group INCpalexgroup.comHQ: Alexandria, VA, United StatesReported employees: 51-200 | Alexandria, VA, United States | 51-200 | Exact match | 95 contacts → |
“For over 20 years, Palex has empowered software, multimedia, e-learning, and medical device companies with world-class translation and localization solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Idea Translationsideatranslations.comHQ: Springfield, VA, United StatesReported employees: 11-50 | Springfield, VA, United States | 11-50 | Exact match | 84 contacts → |
“Idea Translations is a professional translation company created by a group of multilingual professionals.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Infohanatheinfohana.comHQ: Dover, DE, United StatesReported employees: 51-200 | Dover, DE, United States | 51-200 | Exact match | 78 contacts → |
“InfOhana is a premium language localization partner helping content creators, media companies, entertainment brands, streaming platforms, agencies, and global businesses connect…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Simultranssimultrans.comHQ: Mountain View, MA, United StatesReported employees: 201-500 | Mountain View, MA, United States | 201-500 | Exact match | 68 contacts → |
“Over one billion people worldwide benefit from SimulTrans’ translations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Glyph Language Servicesglyphservices.comHQ: Spokane, WA, United StatesReported employees: 11-50 | Spokane, WA, United States | 11-50 | Exact match | 66 contacts → |
“Glyph Language Services offers comprehensive localization and translation services for Games, eLearning, Web, Corporate Communications, Marketing, Software, Multimedia projects…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Medialocatemedialocate.comHQ: Pacific Grove, CA, United StatesReported employees: 11-50 | Pacific Grove, CA, United States | 11-50 | Exact match | 57 contacts → |
“MediaLocate is a leading full-service localization company providing technology-driven language solutions to global businesses, large and small.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Commgap International Language Solutionscommgap.comHQ: Salt Lake City, UT, United StatesReported employees: 11-50 | Salt Lake City, UT, United States | 11-50 | Exact match | 57 contacts → |
“CommGap is a full service international communications agency providing spoken word interpretation, document translation, voice-over, website development, language training…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  G11ng11n.comHQ: Alpharetta, GA, United StatesReported employees: 201-500 | Alpharetta, GA, United States | 201-500 | Exact match | 54 contacts → |
“g11n is a global provider of language services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Into Languages Globalintolanguagesglobal.comHQ: Charlotte, NC, United StatesReported employees: Not recorded | Charlotte, NC, United States | Not recorded | Exact match | 51 contacts → |
“Into Languages Global was established in 2001, and has provided superior language translation, interpretation and localization services to clients around the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Spansourcespansource.comHQ: Briarcliff Manor, NY, United StatesReported employees: 11-50 | Briarcliff Manor, NY, United States | 11-50 | Exact match | 46 contacts → |
“Since 2005, we have been helping companies extend their global reach using nimble, cost-effective solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 23 of 289 company matches
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Localization testing services: dataset insights
November 6, 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
288 records in the displayed employee bands.
1 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 289 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: November 6, 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 ↗
Localization testing services by metro
Questions about this company list
What does Exact match mean for localization testing services?
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 localization testing services did RevenueBase find based in the United States?
The saved snapshot records 289 matching company records, 21,014 tracked contacts and 4,140 verified emails. The public preview displays 23 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: November 6, 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
Localization testing services by geography
- Localization testing services based in Barcelona, Spain
- Localization testing services based in Madrid, Spain
- Localization testing services based in Istanbul, Türkiye
- Localization testing services based in Dubai, United Arab Emirates
- Localization testing services based in London, United Kingdom
- Localization testing services based in New York, United States
- Localization testing services based in Argentina
- Localization testing services based in Brazil
- Localization testing services based in Canada
- Localization testing services based in Egypt
- Localization testing services based in France
- Localization testing services based in Germany
Cite this list
RevenueBase Data Team. Top 23 localization testing services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/localization-testing-services/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
- Localization testing services based in Barcelona, Spain
- Localization testing services based in Madrid, Spain
- Localization testing services based in Istanbul, Türkiye
- Localization testing services based in Dubai, United Arab Emirates
- Localization testing services based in London, United Kingdom
- Localization testing services based in New York, United States
Company intelligence · public preview
Top 23 localization testing services based in the United States
RevenueBase records 289 matching company records for localization testing services based in the United States, with 21,014 tracked contacts and 4,140 verified work emails.
This public preview shows 23 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 23 localization testing services 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 | Lionbridgelionbridge.com HQ: Waltham, MA, United StatesReported employees: 5,001-10,000 | Waltham, MA, United States | 5,001-10,000 | Exact match | 9,103 contacts → |
“Lionbridge partners with brands to break barriers and build bridges all over the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Welocalizewelocalize.com HQ: New York, OR, United StatesReported employees: 1,001-5,000 | New York, OR, United States | 1,001-5,000 | Exact match | 5,035 contacts → |
“Welocalize, a Welo Global brand, serves localization teams through AI-enabled multilingual content solutions that enable enterprises to operate and scale globally.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | EC Innovations, INCecinnovations.com HQ: Wilmington, NY, United StatesReported employees: 501-1,000 | Wilmington, NY, United States | 501-1,000 | Exact match | 501 contacts → |
“Unlock new worlds!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Iyuno Media Groupiyuno.com HQ: Burbank, CA, United StatesReported employees: 1,001-5,000 | Burbank, CA, United States | 1,001-5,000 | Exact match | 369 contacts → |
“Iyuno Media Group acquired SDI Media in 2021.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Acclaroacclaro.com HQ: Boston, CA, United StatesReported employees: 51-200 | Boston, CA, United States | 51-200 | Exact match | 330 contacts → |
“Acclaro is a content intelligence solutions business, helping brands communicate with purpose, precision, and global impact.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Lokaliselokalise.com HQ: Dover, DE, United StatesReported employees: 201-500 | Dover, DE, United States | 201-500 | Exact match | 252 contacts → |
“Lokalise is the most loved and trusted localization tool – partnering with over companies globally across product, engineering, marketing, content and design teams.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Pacific Interpreters, A Languageline Solutions Companylanguageline.com HQ: Monterey, CA, United StatesReported employees: 10001+ | Monterey, CA, United States | 10001+ | Exact match | 224 contacts → |
“Pacific Interpreters is now part of LanguageLine Solutions a comprehensive language solutions provider, helping to eliminate language barriers by offering interpreting via phone…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Alta Language Services, INCaltalang.com HQ: Atlanta, GA, United StatesReported employees: 51-200 | Atlanta, GA, United States | 51-200 | Exact match | 163 contacts → |
“ALTA is an employee-owned language services company specializing in enterprise-level translation services, language proficiency testing, and innovative language training programs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | translations.comtranslations.com HQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 149 contacts → |
“Translations.com is the world’s leading provider of technology and language solutions to power global digital initiatives.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Alconostalconost.com HQ: Alexandria, VA, United StatesReported employees: 51-200 | Alexandria, VA, United States | 51-200 | Exact match | 147 contacts → |
“Alconost handles every aspect of localization, from translation and cultural adaptation to continuous multilingual content updates and engineering, so you can focus on your top…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Ulatus Crimson Interactiveulatus.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 128 contacts → |
“Ulatus, a Crimson Interactive company, is a trusted brand for professional localization services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Local Conceptlocalconcept.com HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 112 contacts → |
“Rooted in language and cultural accuracy, our localization solutions have laid the foundation for us to emerge as a legacy of unsurpassed quality worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Language Scientificlanguagescientific.com HQ: Needham, MA, United StatesReported employees: 51-200 | Needham, MA, United States | 51-200 | Exact match | 104 contacts → |
“Language Scientific is a US-based global provider of translation and localization services, specializing in tailored solutions that address the specific needs of each industry and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Palex Group INCpalexgroup.com HQ: Alexandria, VA, United StatesReported employees: 51-200 | Alexandria, VA, United States | 51-200 | Exact match | 95 contacts → |
“For over 20 years, Palex has empowered software, multimedia, e-learning, and medical device companies with world-class translation and localization solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Idea Translationsideatranslations.com HQ: Springfield, VA, United StatesReported employees: 11-50 | Springfield, VA, United States | 11-50 | Exact match | 84 contacts → |
“Idea Translations is a professional translation company created by a group of multilingual professionals.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Infohanatheinfohana.com HQ: Dover, DE, United StatesReported employees: 51-200 | Dover, DE, United States | 51-200 | Exact match | 78 contacts → |
“InfOhana is a premium language localization partner helping content creators, media companies, entertainment brands, streaming platforms, agencies, and global businesses connect…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Simultranssimultrans.com HQ: Mountain View, MA, United StatesReported employees: 201-500 | Mountain View, MA, United States | 201-500 | Exact match | 68 contacts → |
“Over one billion people worldwide benefit from SimulTrans’ translations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Glyph Language Servicesglyphservices.com HQ: Spokane, WA, United StatesReported employees: 11-50 | Spokane, WA, United States | 11-50 | Exact match | 66 contacts → |
“Glyph Language Services offers comprehensive localization and translation services for Games, eLearning, Web, Corporate Communications, Marketing, Software, Multimedia projects…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Medialocatemedialocate.com HQ: Pacific Grove, CA, United StatesReported employees: 11-50 | Pacific Grove, CA, United States | 11-50 | Exact match | 57 contacts → |
“MediaLocate is a leading full-service localization company providing technology-driven language solutions to global businesses, large and small.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Commgap International Language Solutionscommgap.com HQ: Salt Lake City, UT, United StatesReported employees: 11-50 | Salt Lake City, UT, United States | 11-50 | Exact match | 57 contacts → |
“CommGap is a full service international communications agency providing spoken word interpretation, document translation, voice-over, website development, language training…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | G11ng11n.com HQ: Alpharetta, GA, United StatesReported employees: 201-500 | Alpharetta, GA, United States | 201-500 | Exact match | 54 contacts → |
“g11n is a global provider of language services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Into Languages Globalintolanguagesglobal.com HQ: Charlotte, NC, United StatesReported employees: Not recorded | Charlotte, NC, United States | Not recorded | Exact match | 51 contacts → |
“Into Languages Global was established in 2001, and has provided superior language translation, interpretation and localization services to clients around the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Spansourcespansource.com HQ: Briarcliff Manor, NY, United StatesReported employees: 11-50 | Briarcliff Manor, NY, United States | 11-50 | Exact match | 46 contacts → |
“Since 2005, we have been helping companies extend their global reach using nimble, cost-effective solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 23 of 289 company matches
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Localization testing services: dataset insights
November 6, 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
288 records in the displayed employee bands.
1 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 289 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: November 6, 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 ↗
Localization testing services by metro
Questions about this company list
What does Exact match mean for localization testing services?
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 localization testing services did RevenueBase find based in the United States?
The saved snapshot records 289 matching company records, 21,014 tracked contacts and 4,140 verified emails. The public preview displays 23 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: November 6, 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 23 localization testing services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/localization-testing-services/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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- Localization testing services based in Barcelona, Spain
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- Localization testing services based in Istanbul, Türkiye
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