Company lists · Data refreshed September 2026

Top 25 Voice AI companies for sales based in the United States

RevenueBase identified 883 company matches for voice AI companies for sales associated with the United States as of September 2026 and tracks 31,284 professional contacts across them, including 9,518 with verified work emails. San Francisco is the largest hub.

This list covers company matches for voice AI companies for sales 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 September 29, 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 Sep 29, 2026 How this list was built
883Companies
31,284Contacts tracked
9,518Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest voice AI companies for sales based in the United States

Ranked by team size
Top 25 of 883 company matches for voice AI companies for sales based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 matchCampbell, CA, United StatesHQ recorded Sep 29, 202610001+8,461 contacts →

Exact match

“24]7.ai™ customer engagement solutions use conversational artificial intelligence to understand customer intent, enabling companies to create personalized, predictive, and…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchMelville, NY, United StatesHQ recorded Sep 29, 20265,001-10,0003,852 contacts →

Exact match

“Verint helps you deliver AI outcomes now to solve your most pressing CX automation challenges in the contact center and beyond.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchBurlington, MA, United StatesHQ recorded Sep 29, 202610001+3,544 contacts →

Exact match

“Nuance Communications is a technology pioneer with market leadership in conversational, ambient, and generative AI.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Sep 29, 2026501-1,0001,248 contacts →

Exact match

“LivePerson (NASDAQ: LPSN) is the leader in predictable conversational AI and digital transformation.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Sep 29, 2026501-1,000804 contacts →

Exact match

“The collaborative, AI-powered platform for customer conversations.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchNew York, United StatesHQ recorded Sep 29, 2026n/a679 contacts →

Exact match

“Research Lab.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchSanta Clara, CA, United StatesHQ recorded Sep 29, 2026501-1,000669 contacts →

Exact match

“SoundHound AI (Nasdaq: SOUN), a global leader in voice and conversational AI, delivers solutions that allow businesses to offer superior experiences to their customers.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 2026201-500561 contacts →

Exact match

“Sierra helps businesses build better, more human customer experiences with AI.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchPalo Alto, CA, United StatesHQ recorded Sep 29, 2026201-500448 contacts →

Exact match

“SaaS Labs is all about helping sales and support teams reach their full potential.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchWaltham, MA, United StatesHQ recorded Sep 29, 2026201-500320 contacts →

Exact match

“CallMiner is the global leader in AI-powered conversation intelligence and customer experience (CX) automation.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchSan Mateo, CA, United StatesHQ recorded Sep 29, 202651-200316 contacts →

Exact match

“Presto is the Voice AI market leader for restaurant drive-thrus.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchNew York, NY, United StatesHQ recorded Sep 29, 2026201-500310 contacts →

Exact match

“ASAPP is an artificial intelligence solution provider committed to solving the toughest problems in customer service.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchBerkeley, CA, United StatesHQ recorded Sep 29, 202651-200246 contacts →

Exact match

“Krisp builds real-time Voice AI for the real world.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202651-200234 contacts →

Exact match

“Gnani AI is the frontier Voice AI company the world runs on.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchPlano, TX, United StatesHQ recorded Sep 29, 2026n/a196 contacts →

Exact match

“Deepdub is the enterprise voice infrastructure powering AI in production.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchSeattle, WA, United StatesHQ recorded Sep 29, 2026201-500194 contacts →

Exact match

“Marchex harnesses the power of AI and conversational intelligence to provide actionable insights aligned with prescriptive vertical market data analytics, driving operational…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchRockville, MD, United StatesHQ recorded Sep 29, 202651-200191 contacts →

Exact match

“3CLogic transforms customer and employee experiences with its leading Cloud Contact Center and Voice AI capabilities purpose-built to enhance today's leading CRM and Customer…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchBoston, MA, United StatesHQ recorded Sep 29, 2026501-1,000163 contacts →

Exact match

“Drift®, the buyer experience and Conversational AI company, inspires businesses to create more engaging customer experiences, one conversation at a time.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202651-200147 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchRemote Usa, United StatesHQ recorded Sep 29, 202651-200143 contacts →

Exact match

“Orum is the live calling performance system for modern SDR teams.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchPalo Alto, CA, United StatesHQ recorded Sep 29, 202651-200139 contacts →

Exact match

“Launching AI Adaptive Roleplays - Build Cold Call Mastery with AI Roleplays That Create Continuous Training Pathways After every calling session, AI spots new skill gaps and…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202651-200130 contacts →

Exact match

“Rilla is the leading AI coaching platform for in-person sales.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchCharleston, SC, United StatesHQ recorded Sep 29, 202611-50114 contacts →

Exact match

“FURTHER's team of AI powered sales assistants work together to automate conversations with senior living prospects, helping them find what they’re looking for faster, so you can…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202651-200111 contacts →

Exact match

“Voice is the human interface for business.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchMountain View, CA, United StatesHQ recorded Sep 29, 202651-200108 contacts →

Exact match

“Inworld AI is a realtime AI research lab and model provider, providing Voice AI built for realtime conversation that feels as human as it sounds.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 883 voice AI companies for sales based in the United States

See the full list, filter by size, metro and specialty, and access 9,518 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Voice AI companies for sales based in the United States at a glance

As of Sep 29, 2026
30.4%Verified-email coverage
35.4Average contacts per company
1-10Median size (employees)
12.0%Largest-city concentration · San Francisco
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
518
11-50
265
51-200
74
201-500
14
501-1,000
6
1,001-5,000
2
5,001-10,000
1
10001+
2

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 883 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 “voice AI companies for sales” 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 9,518 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 29, 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.

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 “voice AI companies for sales”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 883 company matches for voice AI companies for sales associated with the United States 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?

24 7.ai tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most voice AI companies for sales?

San Francisco leads with 106 company records, followed by New York (62) and Austin (28).

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 9,518 professional contacts with verified work emails tracked across these 883 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 29, 2026.

Ready to reach these companies? Verified emails and direct dials for all 883 voice AI companies for sales based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

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.