Company lists · Data refreshed November 2026

Top 25 English as second language services based in the United States

RevenueBase identified 926 company matches for english as second language services associated with the United States as of November 2026 and tracks 15,296 professional contacts across them, including 1,257 with verified work emails. New York is the largest hub.

This list covers company matches for english as second language 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
926Companies
15,296Contacts tracked
1,257Verified emails
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The 25 largest english as second language services based in the United States

Ranked by team size
Top 25 of 926 company matches for english as second language services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchPrinceton, NJ, United StatesHQ recorded Nov 6, 20265,001-10,0002,602 contacts →

Exact match

“Berlitz Corporation is a world-leading language and cultural training provider with over 140 years of experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchOrlando, FL, United StatesHQ recorded Nov 6, 2026n/a229 contacts →

Exact match

“It’s the leading language school to adult people with an innovative methodology and the best didactic material in the market, Wise Up offers the students the possibility of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchPaterson, CT, United StatesHQ recorded Nov 6, 202651-200172 contacts →

Exact match

“UCEDA Institute offers a wide range of language training for individuals and businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBoca Raton, FL, United StatesHQ recorded Nov 6, 2026501-1,000155 contacts →

Exact match

“BurlingtonEnglish offers a comprehensive blended program for English language acquisition.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchWashington, DC, United StatesHQ recorded Nov 6, 2026n/a92 contacts →

Exact match

“Washington English Center (WEC) provides affordable English-language instruction and workforce development programs to adult immigrants using volunteers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 202611-5090 contacts →

Exact match

“LanguageBird is an online language school specializing in live, one-to-one language instruction taught by native-level instructors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchPasadena, CA, United StatesHQ recorded Nov 6, 202651-20078 contacts →

Exact match

“FLS International has over 30 years of experience in providing a wide range of services to international students during each phase of their educational experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202611-5076 contacts →

Exact match

“Bring conversation practice to life!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchCody, WY, United StatesHQ recorded Nov 6, 2026201-50073 contacts →

Exact match

“Eleutian Technology is the industry leader of online language instruction for global business and education entities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBethesda, MD, United StatesHQ recorded Nov 6, 202611-5067 contacts →

Exact match

“EnGen delivers career-aligned, on-demand English instruction at the scale needed to serve the needs of the U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchFalls Church, VA, United StatesHQ recorded Nov 6, 202611-5063 contacts →

Exact match

“Who We Serve The English Empowerment Center serves nearly 1,500 beginning-level English language and literacy adult learners.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSalt Lake City, UT, United StatesHQ recorded Nov 6, 202611-5062 contacts →

Exact match

“The English Skills Learning Center (ESLC) has been integrating and strengthening communities by breaking language and cultural barriers since 1988.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchJackson Heights, NY, United StatesHQ recorded Nov 6, 202651-20062 contacts →

Exact match

“New York Language Center's mission is twofold: to provide high quality, affordable English classes to international students in a supportive, friendly atmosphere where students…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchPalo Alto, CA, United StatesHQ recorded Nov 6, 202651-20060 contacts →

Exact match

“Ardor Learning is pioneering the future of online language learning.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“Live Lingua is the world's first AND most effective online language school.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchNy, United StatesHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“ABOUT ABC LANGUAGES ABC Languages – where language lovers come to learn!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchNew York, United StatesHQ recorded Nov 6, 202611-5050 contacts →

Exact match

“Founded in 1973 by Cesar Rennert, Rennert International is a privately-owned language education and communications company that serves the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 202651-20037 contacts →

Exact match

“Throughout our 38 year history, CEL has successfully welcomed thousands of students from around the globe to learn English with us.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchRiverside, CA, United StatesHQ recorded Nov 6, 2026n/a37 contacts →

Exact match

“American English Institute is a private English language center dedicated to helping international students learn and improve their English while advancing their educational goals…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchFort Lauderdale, FL, United StatesHQ recorded Nov 6, 202651-20036 contacts →

Exact match

“The Language Academy is a leading English School for International students and business executives.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBethesda, MD, United StatesHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“Serving the Washington, DC area international community since 1991, English Now!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchCharlotte, NC, United StatesHQ recorded Nov 6, 2026n/a32 contacts →

Exact match

“Charlotte's premiere language services company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMiami Beach, FL, United StatesHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“We work hard to fulfill our ambition: create the most engaging and successful language-learning experiences in the world-both on digital and through face-to-face immersions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“Lets change the world through communication.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchGreeley, CO, United StatesHQ recorded Nov 6, 202651-20029 contacts →

Exact match

“Salida del Sol is paving the way for all students-native English speakers and English language learners-in the Greeley-Evans community to experience academic success and rise to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 926 english as second language services based in the United States

See the full list, filter by size, metro and specialty, and access 1,257 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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English as second language services based in the United States at a glance

As of Nov 6, 2026
8.2%Verified-email coverage
16.5Average contacts per company
1-10Median size (employees)
6.5%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
546
11-50
288
51-200
63
201-500
8
501-1,000
7
1,001-5,000
6
5,001-10,000
3
10001+
1

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 926 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 “english as second language 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 1,257 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.

English as second language 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 “english as second language services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many english as second language services are there based in the United States?

RevenueBase identified 926 company matches for english as second language 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?

Berlitz Corporation tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most english as second language services?

New York leads with 60 company records, followed by Houston (25) and Los Angeles (25).

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 1,257 professional contacts with verified work emails tracked across these 926 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.

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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.