Company lists · Data refreshed September 2026

Top 25 Multilingual voice AI companies based in the United States

Name: Multilingual voice AI companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 5, 2026 592 companies tracked

RevenueBase identified 592 multilingual voice AI companies headquartered in the United States as of September 2026 and tracks 42,532 professional contacts across them, including 9,685 with verified work emails and 5,870 with mobile numbers. San Francisco is the largest hub.

This list covers multilingual voice AI 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, how directly it supports the match, and when it was last checked. Data refreshed September 5, 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 HQ checked on every row Match evidence on every row Refreshed Sep 5, 2026 86% judged on-target in blind review

592Companies

42,532Contacts tracked

9,685Verified emails

5,870Mobile numbers

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The 25 largest multilingual voice AI companies based in the United States

Ranked by team size

Top 25 of 592 multilingual voice AI companies based in the United States, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names multilingual voice AI companies: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts
1	TransperfectPartial evidence	New York, NY, United StatesHQ checked Sep 5, 2026	5,001-10,000	10,750
	“TransPerfect helps organizations streamline global operations through language and AI solutions, advanced automation, and enterprise-grade technology integrations.” Source: company website · checked Sep 5, 2026
2	Telus Digital AI Data SolutionsPartial evidence	Las Vegas, NV, United StatesHQ checked Sep 5, 2026	10001+	4,886
	“TELUS Digital AI & Data Solutions partners with a diverse and vibrant community to help our customers enhance their AI and machine learning models.” Source: company website · checked Sep 5, 2026
3	WelocalizeStrong evidence	New York, NY, United StatesHQ checked Sep 5, 2026	1,001-5,000	4,873
	“Welocalize, a Welo Global brand, serves localization teams through AI-enabled multilingual content solutions that enable enterprises to operate and scale globally.” Source: company website · checked Sep 5, 2026
4	Nuance CommunicationsPartial evidence	Burlington, MA, United StatesHQ checked Sep 5, 2026	10001+	3,544
	“Nuance Communications is a technology pioneer with market leadership in conversational, ambient, and generative AI.” Source: company website · checked Sep 5, 2026
5	GLOBOIndirect evidence	Philadelphia, PA, United StatesHQ checked Sep 5, 2026	1,001-5,000	2,503
	“GLOBO is a technology-enabled patient communication company, giving organizations the ability to communicate in any language, 24/7 through one simple platform.” Source: company website · checked Sep 5, 2026
6	Cerence AIPartial evidence	Burlington, MA, United StatesHQ checked Sep 5, 2026	1,001-5,000	1,184
	“Cerence AI (NASDAQ: CRNC) is a global industry leader in creating intuitive, seamless, AI-powered experiences across automotive and transportation.” Source: company website · checked Sep 5, 2026
7	GupshupPartial evidence	San Francisco, CA, United StatesHQ checked Sep 5, 2026	1,001-5,000	1,050
	“Gupshup is the leading platform for building and deploying industry-trained Conversational AI Agents for every business across marketing, commerce, and support use cases.” Source: company website · checked Sep 5, 2026
8	Sigma AIPartial evidence	Miami, FL, United StatesHQ checked Sep 5, 2026	501-1,000	899
	“With 30+ years of experience in data annotation, we support AI innovators to build smarter AI.” Source: company website · checked Sep 5, 2026
9	ElevenlabsIndirect evidence	New York, United StatesHQ checked Sep 5, 2026	n/a	679
	“Research Lab.” Source: company website · checked Sep 5, 2026
10	Soundhound AIStrong evidence	Santa Clara, CA, United StatesHQ checked Sep 5, 2026	501-1,000	669
	“SoundHound AI (Nasdaq: SOUN), a global leader in voice and conversational AI, delivers solutions that allow businesses to offer superior experiences to their customers.” Source: company website · checked Sep 5, 2026
11	E2f, INCPartial evidence	Los Altos, CA, United StatesHQ checked Sep 5, 2026	51-200	551
	“We leverage our AI data and localization experience – gained from working with the largest AI/NLP deployments in the world – to help train and fine-tune AI and LLM apps.” Source: company website · checked Sep 5, 2026
12	UnbabelIndirect evidence	San Francisco, CA, United StatesHQ checked Sep 5, 2026	201-500	425
	“Unbabel eliminates language barriers so that businesses can thrive across cultures and geographies.” Source: company website · checked Sep 5, 2026
13	TelelanguageIndirect evidence	Overland Park, United StatesHQ checked Sep 5, 2026	n/a	308
	“Visit Propio-LS.com” Source: company website · checked Sep 5, 2026
14	DeepgramStrong evidence	San Francisco, CA, United StatesHQ checked Sep 5, 2026	51-200	262
	“Deepgram is the real-time API platform powering the trillion-dollar Voice AI economy.” Source: company website · checked Sep 5, 2026
15	SANASPartial evidence	Palo Alto, CA, United StatesHQ checked Sep 5, 2026	51-200	259
	“Sanas is the world's first and most trusted real-time Speech AI platform.” Source: company website · checked Sep 5, 2026
16	Elsa, CorpPartial evidence	Los Gatos, CA, United StatesHQ checked Sep 5, 2026	201-500	254
	“ELSA is the AI-powered spoken English platform that helps businesses, educational institutions, and individuals improve communication performance with confidence.” Source: company website · checked Sep 5, 2026
17	KRISPStrong evidence	Berkeley, CA, United StatesHQ checked Sep 5, 2026	51-200	246
	“Krisp builds real-time Voice AI for the real world.” Source: company website · checked Sep 5, 2026
18	gnani.aiStrong evidence	San Francisco, CA, United StatesHQ checked Sep 5, 2026	51-200	234
	“Gnani AI is the frontier Voice AI company the world runs on.” Source: company website · checked Sep 5, 2026
19	OllangPartial evidence	San Francisco, CA, United StatesHQ checked Sep 5, 2026	n/a	212
	“AI is producing content at unprecedented speed.” Source: company website · checked Sep 5, 2026
20	DeepdubStrong evidence	Plano, TX, United StatesHQ checked Sep 5, 2026	n/a	196
	“Deepdub is the enterprise voice infrastructure powering AI in production.” Source: company website · checked Sep 5, 2026
21	Telus International AI Data SolutionsPartial evidence	Las Vegas, NV, United StatesHQ checked Sep 5, 2026	10001+	173
	“TELUS International AI Data Solutions partners with a diverse and vibrant community to help our customers enhance their AI and machine learning models.” Source: company website · checked Sep 5, 2026
22	RedrobIndirect evidence	San Francisco, CA, United StatesHQ checked Sep 5, 2026	51-200	164
	“Redrob -'border' in reverse - is building LLMs for the next 3 billion.” Source: company website · checked Sep 5, 2026
23	Languagebridge SolutionsIndirect evidence	Winter Garden, FL, United StatesHQ checked Sep 5, 2026	201-500	153
	“We are a HIPAA Complaint Language Service Provider and Business solutions company based in Winter Garden Florida, United States and in Braga Portugal.” Source: company website · checked Sep 5, 2026
24	Murf AIStrong evidence	San Francisco, CA, United StatesHQ checked Sep 5, 2026	51-200	147
	“At Murf AI, we believe voice will always be humanity’s most natural interface and we empower builders and creators to unlock the full potential of AI voice.” Source: company website · checked Sep 5, 2026
25	KUDOIndirect evidence	New York, NY, United StatesHQ checked Sep 5, 2026	51-200	146
	“Wouldn’t life be easier if video conferencing platforms had a button that let every participant speak and listen in whatever language they want?” Enter KUDO, the team bringing…” Source: company website · checked Sep 5, 2026

Showing 25 of 592 multilingual voice AI companies based in the United States

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Multilingual voice AI companies based in the United States at a glance

As of Sep 5, 2026

1-10Median size (employees)

San FranciscoLargest hub · 82 HQs

5,870Contacts with mobile numbers

Sep 5, 2026Data refreshed

Companies by employee count

1-10

309

11-50

188

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Verified emails by last verification

0–30

9,035

31–60

538

61–90

90–180

180+

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 multilingual voice AI companies, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, 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 “multilingual voice AI companies”. Matching reads each company's description, not its industry code or its name.
What we exclude: Companies whose own description does not clearly place them among multilingual voice AI 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 an evidence 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, 9,685 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 5, 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.

Multilingual voice AI companies by metro

Multilingual voice AI companies in San Francisco82
Multilingual voice AI companies in New York40

Frequently asked

How many multilingual voice AI companies are there based in the United States?

RevenueBase identified 592 multilingual voice AI 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?

Transperfect, headquartered in New York, tops this list with the largest team on record.

Which city has the most multilingual voice AI companies?

San Francisco leads with 82 headquartered companies, followed by New York (40) and Austin (19).

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 9,685 verified decision-maker contacts tracked across these 592 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 5, 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.