Company lists · Data refreshed September 2026

Top 25 Natural language processing AI companies based in the United States

Name: Natural language processing 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 456 companies tracked

RevenueBase identified 456 natural language processing AI companies headquartered in the United States as of September 2026 and tracks 13,934 professional contacts across them, including 2,856 with verified work emails and 2,534 with mobile numbers. San Francisco is the largest hub.

This list covers natural language processing 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, its RevenueBase Smart Search rating, 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 Smart Search, 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 RevenueBase Smart Search rating on every row Refreshed Sep 5, 2026 86% judged on-target in blind review

456Companies

13,934Contacts tracked

2,856Verified emails

2,534Mobile numbers

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The 25 largest natural language processing AI companies based in the United States

Ranked by team size

Top 25 of 456 natural language processing AI companies based in the United States, ranked by team size, largest first. Data refreshed Sep 5, 2026. RevenueBase Smart Search rates how each company's information relates to natural language processing AI companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Nuance Communications	Partial evidence	Burlington, MA, United StatesHQ checked Sep 5, 2026	10001+	3,544 contacts →
	Partial evidence “Nuance Communications is a technology pioneer with market leadership in conversational, ambient, and generative AI.” Source: RevenueBase Database · checked Sep 5, 2026
2	Writer	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 5, 2026	n/a	1,596 contacts →
	Partial evidence “WRITER is where the world’s leading enterprises orchestrate AI-powered work.” Source: RevenueBase Database · checked Sep 5, 2026
3	kore.ai	Partial evidence	San Mateo, CA, United StatesHQ checked Sep 5, 2026	501-1,000	1,237 contacts →
	Partial evidence “Kore.ai, a leader in enterprise AI, accelerates business outcomes from AI with agentic AI applications built on the industry-leading Kore.ai Agent Platform.” Source: RevenueBase Database · checked Sep 5, 2026
4	Elevenlabs	Indirect evidence	New York, United StatesHQ checked Sep 5, 2026	n/a	679 contacts →
	Indirect evidence “Research Lab.” Source: RevenueBase Database · checked Sep 5, 2026
5	E2f, INC	Partial evidence	Los Altos, CA, United StatesHQ checked Sep 5, 2026	51-200	551 contacts →
	Partial evidence “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: RevenueBase Database · checked Sep 5, 2026
6	Volga Partners	Partial evidence	Kirkland, WA, United StatesHQ checked Sep 5, 2026	1,001-5,000	516 contacts →
	Partial evidence “Volga Partners is a global leader in generative AI (GenAI) innovation, building and deploying advanced AI solutions that power real-world business transformation.” Source: RevenueBase Database · checked Sep 5, 2026
7	Shorthills AI	Partial evidence	West, NJ, United StatesHQ checked Sep 5, 2026	201-500	372 contacts →
	Partial evidence “Shorthills AI is a Generative AI and data engineering company that derives its name from Short Hills, New Jersey with offices in India, USA, Australia and Canada.” Source: RevenueBase Database · checked Sep 5, 2026
8	Aifa Labs	Partial evidence	Frisco, TX, United StatesHQ checked Sep 5, 2026	201-500	237 contacts →
	Partial evidence “Most enterprises don't have an AI problem; they have an execution problem.” Source: RevenueBase Database · checked Sep 5, 2026
9	Master Of Code Global	Indirect evidence	Redwood City, CA, United StatesHQ checked Sep 5, 2026	201-500	205 contacts →
	Indirect evidence “delivered projects for clients like T-Mobile, Tom Ford, Burberry, MTV, Rio Olympics, Golden State Warriors, Aveda, Jo Malone, La Mer, Dr.” Source: RevenueBase Database · checked Sep 5, 2026
10	Redrob	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 5, 2026	51-200	164 contacts →
	Indirect evidence “Redrob -'border' in reverse - is building LLMs for the next 3 billion.” Source: RevenueBase Database · checked Sep 5, 2026
11	APP Orchid INC	Partial evidence	San Ramon, CA, United StatesHQ checked Sep 5, 2026	51-200	157 contacts →
	Partial evidence “App Orchid accelerates enterprise AI, analytics, and decision intelligence-connecting data, context, and users to drive smarter, faster outcomes.” Source: RevenueBase Database · checked Sep 5, 2026
12	Startupsoft	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 5, 2026	51-200	128 contacts →
	Partial evidence “StartupSoft is an AI-focused software engineering company.” Source: RevenueBase Database · checked Sep 5, 2026
13	Inworld AI	Partial evidence	Mountain View, CA, United StatesHQ checked Sep 5, 2026	51-200	108 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 5, 2026
14	Citrusbug Technolabs	Partial evidence	Itasca, IL, United StatesHQ checked Sep 5, 2026	51-200	103 contacts →
	Partial evidence “Citrusbug is a leading AI software engineering company, making high-end and complex AI/ML services accessible to enterprises, SMEs, and startups without breaking the bank.” Source: RevenueBase Database · checked Sep 5, 2026
15	MLG International	Indirect evidence	Miami, FL, United StatesHQ checked Sep 5, 2026	11-50	102 contacts →
	Indirect evidence “Over the past 20 years, we’ve served over 450 clients, including Fortune 500 companies and the U.S.” Source: RevenueBase Database · checked Sep 5, 2026
16	apptek.ai	Partial evidence	Mclean, VA, United StatesHQ checked Sep 5, 2026	51-200	95 contacts →
	Partial evidence “AppTek.ai is a global leader in artificial intelligence (AI) and machine learning (ML) technologies for automatic speech recognition (ASR), neural machine translation (NMT)…” Source: RevenueBase Database · checked Sep 5, 2026
17	Cloudtern Solutions	Partial evidence	Plano, TX, United StatesHQ checked Sep 5, 2026	51-200	68 contacts →
	Partial evidence “CloudTern drives innovation with AI-powered solutions, helping businesses transform operations and thrive in today’s competitive landscape.” Source: RevenueBase Database · checked Sep 5, 2026
18	INTUZ	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 5, 2026	51-200	67 contacts →
	Partial evidence “Intuz develops AI solutions that go directly into production, not just presentations.” Source: RevenueBase Database · checked Sep 5, 2026
19	ARRIA	Strong evidence	Morristown, NJ, United StatesHQ checked Sep 5, 2026	201-500	61 contacts →
	Strong evidence “Mission-Critical Generative AI - Arria is a recognized global leader in Artificial Intelligence (AI), natural language technologies, and Generative AI.” Source: RevenueBase Database · checked Sep 5, 2026
20	Dataorb	Partial evidence	Schaumburg, IL, United StatesHQ checked Sep 5, 2026	11-50	61 contacts →
	Partial evidence “DataOrb is a pioneering AI company transforming how organizations understand and act on customer conversations.” Source: RevenueBase Database · checked Sep 5, 2026
21	Smarc Solutions INC	Indirect evidence	Pleasanton, CA, United StatesHQ checked Sep 5, 2026	51-200	58 contacts →
	Indirect evidence “About us: Smarc Solutions Inc.” Source: RevenueBase Database · checked Sep 5, 2026
22	Meetkai INC	Strong evidence	Los Angeles, United StatesHQ checked Sep 5, 2026	51-200	55 contacts →
	Strong evidence “Founded in 2018, we're an AI company focused on post-training optimization, local-language reasoning models, and sovereign AI infrastructure.” Source: RevenueBase Database · checked Sep 5, 2026
23	Odin AI	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 5, 2026	201-500	50 contacts →
	Partial evidence “Unlock the power of AI with Odin AI – your all-in-one solution for personalized content generation, chatbot interaction, document collaboration, and actionable insights.” Source: RevenueBase Database · checked Sep 5, 2026
24	Ampcome	Partial evidence	Cambridge, MA, United StatesHQ checked Sep 5, 2026	51-200	49 contacts →
	Partial evidence “We are a leading AI development company that assists businesses of all sizes to conceptualize, design, and build enterprise AI applications, train and enhance LLMs, and hire…” Source: RevenueBase Database · checked Sep 5, 2026
25	Wiseyak	Indirect evidence	Bellevue, WA, United StatesHQ checked Sep 5, 2026	11-50	45 contacts →
	Indirect evidence “Wiseyak Inc.” Source: RevenueBase Database · checked Sep 5, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: natural language processing AI companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names natural language processing AI companies.
Partial evidence: Its own public description names part of natural language processing AI companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name natural language processing AI companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 456 natural language processing AI companies based in the United States

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Natural language processing AI companies based in the United States at a glance

As of Sep 5, 2026

20.5%Verified-email coverage

18.2%Mobile-number coverage

30.6Average contacts per company

1-10Median size (employees)

8.8%Largest-city concentration · San Francisco

Sep 5, 2026Page data refreshed

Companies by employee count

1-10

257

11-50

135

51-200

201-500

501-1,000

1,001-5,000

10001+

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

2,6560–30

15131–60

661–90

290–180

41180+

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 natural language processing AI companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search 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 Smart Search, 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 “natural language processing AI companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names natural language processing AI companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among natural language processing 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 its RevenueBase Smart Search 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, 2,856 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.

Natural language processing AI companies by metro

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names natural language processing AI companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

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

RevenueBase identified 456 natural language processing 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?

Nuance Communications, headquartered in Burlington, tops this list with the largest team on record.

Which city has the most natural language processing AI companies?

San Francisco leads with 40 headquartered companies, followed by New York (34) and Dover (14).

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 2,856 verified decision-maker contacts tracked across these 456 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 Smart Search, 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.