Company lists · Data verified August 2026

Top 25 Asl interpreting services based in the United States

Name: Asl interpreting services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 373 companies tracked

There are 373 asl interpreting services headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 23,053 professional contacts across them, including 2,760 with verified work emails and 5,316 with mobile numbers. New York is the largest hub.

This list covers asl interpreting services headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

373Companies

23,053Contacts tracked

2,760Verified emails

5,316Mobile numbers

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The 25 largest asl interpreting services based in the United States

Ranked by team size

Top 25 of 373 asl interpreting services based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Languageline Solutions	Monterey, CA	10001+	6,355	646
2	Propio Language Services	Overland Park, KS	n/a	4,992	155
3	Sorenson Communications	Salt Lake City, UT	10001+	2,889	1,048
4	VOYCE	Sunrise, FL	n/a	823	32
5	AD Astra, INC	Silver Spring, MD	201-500	464	46
6	Linguava	Portland, OR	51-200	201	48
7	Convo Communications	Austin, TX	201-500	159	98
8	Interpretek	Atlanta, GA	51-200	121	20
9	Indemand Interpreting	Tukwila, WA	201-500	81	1
10	Cleveland Hearing & Speech Center	Cleveland, OH	51-200	78	33
11	Pahrtners Deaf Services	Moon Township, PA	201-500	47	7
12	Swits, LTD	Delavan, WI	51-200	39	1
13	Lifesigns INC	Los Angeles	51-200	37	4
14	Partners Interpreting	Hartford, CT	201-500	36	14
15	Worldwide Interpreters INC	Houston, TX	51-200	35	7
16	Graham INC	Orlando, FL	51-200	28	13
17	Birnbaum Interpreting Services	Silver Spring, MD	51-200	26	10
18	American Sign Language Communication	Henderson, NV	51-200	16	4
19	Vital Signs LLC	Silver Spring, MD	201-500	14	6
20	Wilder Interpreting Services	Sacramento, CA	51-200	12	2
21	3 Bridges Sign Language Services	Austin, TX	201-500	8	1
22	HASA	Baltimore, MD	51-200	7	5
23	The SOS Agency	Atlanta, GA	51-200	7	4
24	Bayou City Interpreting	Houston, TX	51-200	7	2
25	Signinterpreting Services	West Chester, PA	51-200	7	2

Showing 25 of 373 asl interpreting services based in the United States

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Asl interpreting services based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 11 HQs

5,316Contacts with mobile numbers

13Emails re-verified in last 30 days

Companies by employee count

1-10

206

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Asl interpreting services by metro

Metro	Companies
Asl interpreting services in New York	11
Asl interpreting services in Austin	10
Asl interpreting services in Orlando	9
Asl interpreting services in Los Angeles	7
Asl interpreting services in Washington	6
Asl interpreting services in Houston	6
Asl interpreting services in Rochester	6
Asl interpreting services in Sacramento	5

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “asl interpreting services”, with match quality audited by blind human judging, and headquartered in the United States.
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: Contact records re-verify on a rolling cadence; 13 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many asl interpreting services are there based in the United States?

There are 373 asl interpreting services headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Languageline Solutions, headquartered in Monterey, tops this list with the largest team on record.

Which city has the most asl interpreting services?

New York leads with 11 headquartered companies, followed by Austin (10) and Orlando (9).

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 2,760 verified decision-maker contacts tracked across these 373 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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Related lists

Asl interpreting services by geography

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.