Company lists · Data refreshed September 2026

Top 25 Natural language processing investors based in the United States

RevenueBase identified 320 company matches for natural language processing investors associated with the United States as of September 2026 and tracks 8,780 professional contacts across them, including 2,357 with verified work emails. San Francisco is the largest hub.

This list covers company matches for natural language processing investors 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 20, 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 20, 2026 How this list was built
320Companies
8,780Contacts tracked
2,357Verified emails
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The 25 largest natural language processing investors based in the United States

Ranked by team size
Top 25 of 320 company matches for natural language processing investors based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 20, 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 20, 2026 · View company records in RevenueBase
2Exact matchNew York, United StatesHQ recorded Sep 20, 2026n/a679 contacts →

Exact match

“Research Lab.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchSanta Clara, CA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Sep 20, 2026201-500347 contacts →

Exact match

“Flip Robo is an artificial intelligence company.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchSan Francisco, CA, United StatesHQ recorded Sep 20, 202651-200234 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchSan Francisco, CA, United StatesHQ recorded Sep 20, 202651-200164 contacts →

Exact match

“Redrob -'border' in reverse - is building LLMs for the next 3 billion.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchSan Ramon, CA, United StatesHQ recorded Sep 20, 202651-200157 contacts →

Exact match

“App Orchid accelerates enterprise AI, analytics, and decision intelligence-connecting data, context, and users to drive smarter, faster outcomes.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchMountain View, CA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
9Exact matchSan Francisco, CA, United StatesHQ recorded Sep 20, 202651-200106 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchColumbus, OH, United StatesHQ recorded Sep 20, 202651-200100 contacts →

Exact match

“We build AI-driven software for the future of consumer engagement.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchMclean, VA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
12Exact matchBrooklyn, United StatesHQ recorded Sep 20, 202651-20083 contacts →

Exact match

“Apollo-1: the foundation model for task-oriented dialogue, finally cracked through stateful neuro-symbolic reasoning.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchHouston, TX, United StatesHQ recorded Sep 20, 202611-5066 contacts →

Exact match

“Allganize helps insurance, finance, SaaS companies automate answering questions from a myriad of complex text documents.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchMorristown, NJ, United StatesHQ recorded Sep 20, 2026201-50061 contacts →

Exact match

“Mission-Critical Generative AI - Arria is a recognized global leader in Artificial Intelligence (AI), natural language technologies, and Generative AI.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchSchaumburg, IL, United StatesHQ recorded Sep 20, 202611-5061 contacts →

Exact match

“DataOrb is a pioneering AI company transforming how organizations understand and act on customer conversations.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchLos Angeles, CA, United StatesHQ recorded Sep 20, 2026201-50050 contacts →

Exact match

“Unlock the power of AI with Odin AI – your all-in-one solution for personalized content generation, chatbot interaction, document collaboration, and actionable insights.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Sep 20, 202651-20044 contacts →

Exact match

“ReflexAI brings the best in machine learning and natural language processing to mission-driven, people-centric organizations via innovative tools that transform how they train…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchCambridge, MA, United StatesHQ recorded Sep 20, 202651-20044 contacts →

Exact match

“Simbo AI, is a groundbreaking technology company providing Enterprise Gen AI platform for enterprises.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchNew York, NY, United StatesHQ recorded Sep 20, 202611-5035 contacts →

Exact match

“Alexandria Technology is an AI Natural Language Processing firm that turns massive amounts of text into actionable data.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchNew York, NY, United StatesHQ recorded Sep 20, 202651-20032 contacts →

Exact match

“The industry leader in providing the state-of-the-art custom AI powered NLP and context intelligence needed to make unstructured social, media, reviews, and consumer intelligence…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchSan Francisco, CA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
22Exact matchSan Mateo, CA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
23Exact matchSan Jose, CA, United StatesHQ recorded Sep 20, 202611-5029 contacts →

Exact match

“Align AI (previously impaction.ai) is a product analytics platform for conversational-AI products that are powered by LLMs.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchNew York, United StatesHQ recorded Sep 20, 202611-5028 contacts →

Exact match

“Latent Knowledge Inc.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchRedwood City, CA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase

Showing 25 of 320 natural language processing investors based in the United States

See the full list, filter by size, metro and specialty, and access 2,357 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Natural language processing investors based in the United States at a glance

As of Sep 20, 2026
26.8%Verified-email coverage
27.4Average contacts per company
1-10Median size (employees)
12.2%Largest-city concentration · San Francisco
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
164
11-50
111
51-200
31
201-500
9
501-1,000
2
1,001-5,000
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 320 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 “natural language processing investors” 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 2,357 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 20, 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 “natural language processing investors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many natural language processing investors are there based in the United States?

RevenueBase identified 320 company matches for natural language processing investors 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 natural language processing investors?

San Francisco leads with 39 company records, followed by New York (31) and Los Angeles (10).

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 2,357 professional contacts with verified work emails tracked across these 320 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 20, 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.