Company lists · Data verified August 2026

Top 25 Conference interpretation service providers based in the United States

Name: Conference interpretation service providers 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 439 companies tracked

There are 439 conference interpretation service providers headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 23,238 professional contacts across them, including 1,833 with verified work emails and 4,122 with mobile numbers. New York is the largest hub.

This list covers conference interpretation service providers 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.

439Companies

23,238Contacts tracked

1,833Verified emails

4,122Mobile numbers

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The 25 largest conference interpretation service providers based in the United States

Ranked by team size

Top 25 of 439 conference interpretation service providers 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	Cyracom Language Solutions	Houston, TX	1,001-5,000	1,669	77
4	VOYCE	Sunrise, FL	n/a	823	32
5	Certified Languages International	Portland, OR	201-500	606	75
6	Masterword	Houston, TX	51-200	476	58
7	Hanna Interpreting Services LLC	Spring Valley, CA	51-200	399	34
8	Language Link	Vancouver, WA	51-200	354	39
9	Linguava	Portland, OR	51-200	201	48
10	Clear Source Translation	Hamilton, OH	10001+	161	1
11	Contactlink Solutions LLC	Wilmington, DE	51-200	140	6
12	Interprenet	Chicago, IL	51-200	105	41
13	Passport To Languages INC	Portland, OR	51-200	101	12
14	Access 2 Interpreters	Columbus, OH	201-500	76	3
15	World Services, INC	Atlanta, GA	n/a	46	1
16	House Of Languages	Portland, ME	51-200	38	5
17	Partners Interpreting	Hartford, CT	201-500	36	14
18	Verbatim Languages	Orlando, FL	51-200	36	4
19	Worldwide Interpreters INC	Houston, TX	51-200	35	7
20	Language Bank	Worcester, MA	201-500	31	3
21	Rela Language Professionals	Boise, ID	51-200	24	2
22	MINT	Mineapolis, MN	501-1,000	23	4
23	Vital Signs LLC	Silver Spring, MD	201-500	14	6
24	The SOS Agency	Atlanta, GA	51-200	7	4
25	Liberty Translations & Interpreters	Utica, NY	51-200	7	1

Showing 25 of 439 conference interpretation service providers based in the United States

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Conference interpretation service providers based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 14 HQs

4,122Contacts with mobile numbers

9Emails re-verified in last 30 days

Companies by employee count

1-10

226

11-50

132

51-200

201-500

501-1,000

1,001-5,000

10001+

Conference interpretation service providers by metro

Metro	Companies
Conference interpretation service providers in New York	14
Conference interpretation service providers in Portland	12
Conference interpretation service providers in Washington	9
Conference interpretation service providers in Sheridan	8
Conference interpretation service providers in Miami	8
Conference interpretation service providers in Chicago	8
Conference interpretation service providers in Houston	8
Conference interpretation service providers in Orlando	8

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 “conference interpretation service providers”, 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; 9 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 conference interpretation service providers are there based in the United States?

There are 439 conference interpretation service providers 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 conference interpretation service providers?

New York leads with 14 headquartered companies, followed by Portland (12) and Washington (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 1,833 verified decision-maker contacts tracked across these 439 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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Conference interpretation service providers 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.