Company lists · Data refreshed September 2026

Top 25 Asl services worldwide

RevenueBase identified 489 company matches for asl services worldwide as of September 2026 and tracks 10,626 professional contacts across them, including 2,821 with verified work emails. The United States is the largest market and Austin the largest hub.

This list covers company matches for asl services 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 21, 2026. Country and city lists for asl services 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 21, 2026 How this list was built
489Companies
10,626Contacts tracked
2,821Verified emails
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The 25 largest asl services worldwide

Ranked by team size
Top 25 of 489 company matches for asl services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 matchSalt Lake City, UT, United StatesHQ recorded Sep 21, 202610001+2,863 contacts →

Exact match

“Sorenson is a global language services providers, combining assistive technology with human-centric accessibility solutions.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchAustin, TX, United StatesHQ recorded Sep 21, 20261,001-5,000574 contacts →

Exact match

“Communication Service for the Deaf, Inc.(CSD) is a private, nonprofit organization dedicated to creating and providing technologies and services that benefit the deaf and hard of…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchAntioch, TN, United StatesHQ recorded Sep 21, 2026501-1,000388 contacts →

Exact match

“ClearCaptions was founded in 2011 with a driving force to serve the hard-of-hearing community.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchVienna, VA, United StatesHQ recorded Sep 21, 2026n/a275 contacts →

Exact match

“Liberty Language Services is a small, woman- and minority-owned language services agency headquartered in Tysons Corner, Virginia.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchToronto, ON, CanadaHQ recorded Sep 21, 2026201-500261 contacts →

Exact match

“For over 80 years, Canadian Hearing Services (CHS) has played a significant role in supporting and meeting the needs of Deaf and hard of hearing Canadians.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchLimerick, IrelandHQ recorded Sep 21, 2026n/a185 contacts →

Exact match

“At Translit, we empower people and organisations to overcome the language and communication challenges they face every day.Since 2009, we’ve been dedicated to delivering high…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchOslo, NorwayHQ recorded Sep 21, 20261,001-5,000143 contacts →

Exact match

“Signo ble startet i 1898 av Conrad Svendsen, Norges første døveprest.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchNewmarket, ON, CanadaHQ recorded Sep 21, 2026201-500133 contacts →

Exact match

“DeafBlind Ontario Services takes a holistic approach to providing an array of services to people who are Deaf, hard of hearing, non-verbal and deafblind that are customized to…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchFramingham, MA, United StatesHQ recorded Sep 21, 2026201-500132 contacts →

Exact match

“Inspiring Knowledge, Opportunity, and Power The Learning Center for the Deaf is a national model and leader in educational, therapeutic, and community services for, by, and with…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchRochester, NY, United StatesHQ recorded Sep 21, 202651-200125 contacts →

Exact match

“We are a full service agency featuring community interpreting & continuing education providing the highest quality sign language interpreters nationwide.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchHigh Wycombe, United KingdomHQ recorded Sep 21, 202611-50123 contacts →

Exact match

“Silent Sounds Communications Limited is a private organisation based in High Wycombe.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchEast Melbourne, AustraliaHQ recorded Sep 21, 202651-200119 contacts →

Exact match

“Expression Australia is a not-for-profit organisation that has been serving the Deaf community since 1884.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchBaltimore, MD, United StatesHQ recorded Sep 21, 202651-200114 contacts →

Exact match

“For nearly 100 years, Gateway (formerly HASA) has been Maryland’s leading resource for language and communication services.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchNoida, IndiaHQ recorded Sep 21, 2026201-50087 contacts →

Exact match

“Our goal is to provide a door for everyone with speech and hearing problems that they can knock for help!”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchCleveland, OH, United StatesHQ recorded Sep 21, 202651-20079 contacts →

Exact match

“Cleveland Hearing & Speech Center (CHSC) is the nation’s oldest freestanding speech center, and Northeast Ohio’s only non-profit organization, dedicated solely to serving those…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchNorth York, ON, CanadaHQ recorded Sep 21, 2026201-50065 contacts →

Exact match

“It is the mission of the Bob Rumball Organizations to provide care and opportunities in a communication-rich environment that enhances the quality of life of those we serve.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchOttawa, ON, CanadaHQ recorded Sep 21, 202651-20064 contacts →

Exact match

“Who are we?”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchGolden Valley, MN, United StatesHQ recorded Sep 21, 202611-5064 contacts →

Exact match

“ASL Interpreting Services (ASLIS) provides live, in-person, sign language interpreters for Deaf, DeafBlind, hard of hearing and hearing individuals throughout Minnesota, western…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchSao Paulo, BrazilHQ recorded Sep 21, 202651-20061 contacts →

Exact match

“Educalibras é empresa pioneira e líder no mercado de inclusão e acessibilidade comunicacional às pessoas surdas e surdocegas.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchDublin, IrelandHQ recorded Sep 21, 202651-20056 contacts →

Exact match

“For over fifty years, we have championed for equal rights, greater accessibility and opportunities for individuals with deafness and hearing loss.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchSt. Louis, MO, United StatesHQ recorded Sep 21, 202611-5056 contacts →

Exact match

“Mission The mission of Deaf Empowerment Awareness Foundation, Inc.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchOverland Park, KS, United StatesHQ recorded Sep 21, 202611-5055 contacts →

Exact match

“ASL Services Holdings is now a Propio Company.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchRiverside, CA, United StatesHQ recorded Sep 21, 202611-5054 contacts →

Exact match

“RISE provides professional interpreting services between the Deaf / Hard of Hearing and people that can hear (Hearing).”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchBrooklyn, NY, United StatesHQ recorded Sep 21, 202611-5052 contacts →

Exact match

“Established in 1997, SignTalk®, an Inc.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchVancouver, BC, CanadaHQ recorded Sep 21, 202651-20051 contacts →

Exact match

“Wavefront Centre for Communication Accessibility is a BC-based charitable not-for-profit and social enterprise dedicated to breaking communication barriers for people who are…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 489 asl services worldwide

See the full list, filter by size, metro and specialty, and access 2,821 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Asl services worldwide at a glance

As of Sep 21, 2026
26.5%Verified-email coverage
21.7Average contacts per company
1-10Median size (employees)
1.8%Largest-city concentration · Austin
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
269
11-50
143
51-200
52
201-500
17
501-1,000
3
1,001-5,000
3
10001+
1

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 asl services are linked below.
What qualifies
Company records worldwide whose business descriptions match “asl 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. 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 2,821 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 21, 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.

Asl services by location

2 lists · largest first

Every Asl services 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 “asl services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many asl services are there worldwide?

RevenueBase identified 489 company matches for asl services 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?

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

Which country has the most asl services?

The United States leads with 206 companies, followed by the United Kingdom (34). Every asl services list by country and city is linked on this page.

Which city has the most asl services?

Austin leads with 9 company records, followed by Sao Paulo (7) and Baltimore (6).

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 2,821 professional contacts with verified work emails tracked across these 489 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 21, 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.