Company lists · Data refreshed September 2026
Top 25 Interpreter training companies based in the United States
RevenueBase identified 109 interpreter training companies headquartered in the United States as of September 2026 and tracks 1,573 professional contacts across them, including 221 with verified work emails and 508 with mobile numbers. Chicago is the largest hub.
This list covers interpreter training companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 4, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest interpreter training companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 274 contacts → | ||||
Strong evidence “Established in 1985, Diplomatic Language Services provides exceptional language training, translation, interpretation, and linguist testing to federal and state government…” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 2 | 208 contacts → | ||||
Partial evidence “Pacific Interpreters is now part of LanguageLine Solutions a comprehensive language solutions provider, helping to eliminate language barriers by offering interpreting via phone…” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 3 | 150 contacts → | ||||
Indirect evidence “For over 35 years, we’ve served clients including the U.S.” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 4 | 75 contacts → | ||||
Indirect evidence “Cross Cultural Communication Systems, is a recognized authority in linguistic cultural services, working with health care, educational, legal and business institutions nationwide…” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 5 | 52 contacts → | ||||
Indirect evidence “elt offers a comprehensive range of language solutions that empower talent to excel globally.” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 6 | 41 contacts → | ||||
Strong evidence “Cesco Linguistic Services delivers Interpreting, Translation, and training solutions across every known language, with an uncompromising focus on quality, ethics, and…” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 7 | 39 contacts → | ||||
Partial evidence “Our mission is to provide our clients with professional interpreting and translation services to offer equal language access in any setting.” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 8 | 31 contacts → | ||||
Strong evidence “For over 15 years, Language Bank has been a leading provider of interpretation, translation and training services throughout New England.” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 9 | 28 contacts → | ||||
Partial evidence “Cross-Cultural Communications is the only national on-site and online training agency in the U.S.” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 10 | 27 contacts → | ||||
Indirect evidence “Foreign Language Academy has been helping to bridge the communication gap between native and non-native English speakers in Knoxville, Tennessee since 1991.” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 11 | 26 contacts → | ||||
Partial evidence “Interpreter Translation, based in Miami, FL, is a multi-faceted, language service company with over 30 years of experience in the Translation and Interpretation Industry.” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 12 | 17 contacts → | ||||
Strong evidence “Language Loop offers language instruction (private, semi-private and small group classes), tutoring, translation services, translation and interpretation training, and…” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 13 | 16 contacts → | ||||
Indirect evidence “Do your employees need better phone skills?” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 14 | 13 contacts → | ||||
Strong evidence “Southern California School of Interpretation (SCSI) is a nationally recognized leader in interpreter education and language access training, with over 30 years of experience…” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 15 | 12 contacts → | ||||
Partial evidence “The Atlanta International Language Institute offers local Atlanta language classes in over 60 languages, hold corporate training for language learning, and provide translations…” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 16 | 12 contacts → | ||||
Partial evidence “Language access programs don't fail because organizations lack interpreters.” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 17 | 8 contacts → | ||||
Partial evidence “Founded in 1998 by Agustin de la Mora, who has been a professional interpreter for over 25 years, both as a freelance and staff interpreter.” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 18 | 8 contacts → | ||||
Strong evidence “We offer the Medical Healthcare Interpreter Training program, a comprehensive 60-hour live, online course that meets the requirements of both the Certification Commission for…” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 19 | 8 contacts → | ||||
Indirect evidence “Across the country, there is a growing need for limited English Proficiency (LEP) people to access community services.” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 20 | 7 contacts → | ||||
Partial evidence “Fayo Bilingual Training Institute is a world language company founded in 2011.” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 21 | 6 contacts → | ||||
Indirect evidence “Key advantages: 1.” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 22 | 6 contacts → | ||||
Partial evidence “A full service language translation agency providing On-site, Over-the-Phone, and Video Remote Interpreter services and document translation in healthcare, legal, education, and…” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 23 | 5 contacts → | ||||
Strong evidence “We're dedicated to expanding education to interpreters and translators through trainings, workshops, and language testing while upholding professionalism in the language services…” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 24 | 5 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 25 | 4 contacts → | ||||
Partial evidence “A VOICE - Language & Training Services, LLC is a women and minority-owned business based in Westchester County, New York.” Source: RevenueBase Database · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: interpreter training companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names interpreter training companies.
- Partial evidence
- Its own public description names part of interpreter training companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name interpreter training companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 109 interpreter training companies based in the United States
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Interpreter training companies based in the United States at a glance
As of Sep 4, 2026Companies by employee count
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among interpreter training companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “interpreter training companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names interpreter training companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among interpreter training companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 221 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 4, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names interpreter training companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many interpreter training companies are there based in the United States?
RevenueBase identified 109 interpreter training companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Diplomatic Language Services, headquartered in Herndon, tops this list with the largest team on record.
Which city has the most interpreter training companies?
Chicago leads with 5 headquartered companies, followed by Atlanta (4) and Houston (4).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 221 verified decision-maker contacts tracked across these 109 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 4, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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