Company lists · Data refreshed September 2026

Top 25 Voice assistant software developers based in the United States

RevenueBase identified 325 company matches for voice assistant software developers associated with the United States as of September 2026 and tracks 8,698 professional contacts across them, including 2,539 with verified work emails. San Francisco is the largest hub.

This list covers company matches for voice assistant software developers 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
325Companies
8,698Contacts tracked
2,539Verified emails
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The 25 largest voice assistant software developers based in the United States

Ranked by team size
Top 25 of 325 company matches for voice assistant software developers 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 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
2Exact 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
3Exact 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
4Exact matchPalo Alto, CA, United StatesHQ recorded Sep 29, 202651-200259 contacts →

Exact match

“Sanas is the world's first and most trusted real-time Speech AI platform.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact 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
6Exact 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
7Exact 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
8Exact 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
9Exact 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
10Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202651-200106 contacts →

Exact match

“AssemblyAI is the best way to build Voice AI apps.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchRedwood City, CA, United StatesHQ recorded Sep 29, 202651-20097 contacts →

Exact match

“Retell is the #1 voice AI agent platform, enabling you to build, test, deploy, and monitor voice AI agents.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchMclean, VA, United StatesHQ recorded Sep 29, 202651-20095 contacts →

Exact match

“AppTek.ai is a global leader in artificial intelligence (AI) and machine learning (ML) technologies for automatic speech recognition (ASR), neural machine translation (NMT)…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202651-20077 contacts →

Exact match

“At BotsCrew, we revolutionize the way companies engage with their customers and empower their employees through innovative generative AI agents and voice assistants.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchSeattle, WA, United StatesHQ recorded Sep 29, 202651-20069 contacts →

Exact match

“WellSaid is the AI voiceover platform built for professional audio production.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchSanta Clara, CA, United StatesHQ recorded Sep 29, 202651-20049 contacts →

Exact match

“Sensory Inc.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchUnited StatesHQ recorded Sep 29, 202651-20047 contacts →

Exact match

“Enabling voice and AI applications with unique embedded hardware and software solutions.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchSan Bruno, CA, United StatesHQ recorded Sep 29, 2026n/a45 contacts →

Exact match

“Aqlama.ai is a new startup emerged from the experience and success of Aqlama language Services agency that was founded in 2019 by Dr.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchTampa, FL, United StatesHQ recorded Sep 29, 202651-20040 contacts →

Exact match

“STELLA is the pioneer of the automotive voice AI category, setting the industry standard for intelligent, dealership-focused conversation-handling solutions.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchSanta Monica, CA, United StatesHQ recorded Sep 29, 202611-5040 contacts →

Exact match

“Voice AI is an AI audio company specializing in scalable voice agents.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchNewport Beach, CA, United StatesHQ recorded Sep 29, 202651-20034 contacts →

Exact match

“It’s the dawn of a new age.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202611-5032 contacts →

Exact match

“At Rime, we're on a mission to make voice AI feel more human.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202611-5030 contacts →

Exact match

“Vellum is an open-source personal AI assistant built for people who want one system that handles everything.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchSan Mateo, CA, United StatesHQ recorded Sep 29, 202611-5030 contacts →

Exact match

“CoeFont is an AI voice platform built to make cross-lingual communication effortless.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchBoston, MA, United StatesHQ recorded Sep 29, 202611-5028 contacts →

Exact match

“Roojoom is a SaaS technology company helping businesses of all sizes improve productivity and customer experience with AI-powered products built for anyone to use.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchRedwood City, CA, United StatesHQ recorded Sep 29, 202611-5027 contacts →

Exact match

“At iyO, we believe the most powerful computer is one that understands you-not the other way around.”

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

Showing 25 of 325 voice assistant software developers based in the United States

See the full list, filter by size, metro and specialty, and access 2,539 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Voice assistant software developers based in the United States at a glance

As of Sep 29, 2026
29.2%Verified-email coverage
26.8Average contacts per company
1-10Median size (employees)
15.4%Largest-city concentration · San Francisco
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
184
11-50
102
51-200
33
201-500
3
501-1,000
2
10001+
1

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 325 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 assistant software developers” 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 2,539 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.

Voice assistant software developers by metro

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 assistant software developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many voice assistant software developers are there based in the United States?

RevenueBase identified 325 company matches for voice assistant software developers 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?

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

Which city has the most voice assistant software developers?

San Francisco leads with 50 company records, followed by New York (17) and Los Angeles (11).

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 2,539 professional contacts with verified work emails tracked across these 325 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.

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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.