Company lists · Data refreshed November 2026

Top 24 Custom AI model developers based in the United States

RevenueBase identified 2,633 company matches for custom AI model developers associated with the United States as of November 2026 and tracks 82,670 professional contacts across them, including 18,306 with verified work emails. New York is the largest hub.

This list covers company matches for custom AI model 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 November 6, 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 Nov 6, 2026 How this list was built
2,633Companies
82,670Contacts tracked
18,306Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 24 largest custom AI model developers based in the United States

Ranked by team size
Top 24 of 2,633 company matches for custom AI model developers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchSouthfield, CA, United StatesHQ recorded Nov 6, 20265,001-10,0007,248 contacts →

Exact match

“Altimetrik is an AI-native engineering company that builds systems to power the modern enterprise.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 20261,001-5,0006,778 contacts →

Exact match

“Turing is one of the world’s fastest-growing AI companies accelerating the advancement and deployment of powerful AI systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLas Vegas, NV, United StatesHQ recorded Nov 6, 202610001+5,427 contacts →

Exact match

“TELUS Digital AI & Data Solutions partners with a diverse and vibrant community to help our customers enhance their AI and machine learning models.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026n/a4,746 contacts →

Exact match

“Invisible Technologies makes AI work.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 20261,001-5,0003,016 contacts →

Exact match

“What Does Sama Do Sama gets your AI project to production-and helps you stay there.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchFrisco, TX, United StatesHQ recorded Nov 6, 20261,001-5,0002,709 contacts →

Exact match

“Bounteous is a global AI Services firm where agentic engineering and human experience converge to deliver transformative business outcomes for the enterprise.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchJersey City, United StatesHQ recorded Nov 6, 20261,001-5,0001,813 contacts →

Exact match

“Sigmoid is an AI-first company that helps organizations modernize data, transform business processes, and make better decisions using data and AI.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026n/a1,665 contacts →

Exact match

“WRITER is where the world’s leading enterprises orchestrate AI-powered work.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSan Mateo, CA, United StatesHQ recorded Nov 6, 2026501-1,0001,248 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchRedwood City, NY, United StatesHQ recorded Nov 6, 2026201-5001,216 contacts →

Exact match

“Snorkel AI is the frontier AI data lab, helping teams build the data and environments behind high-performing frontier and agentic AI.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchPalo Alto, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,176 contacts →

Exact match

“All enterprises are racing to adopt AI.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchColumbia, MD, United StatesHQ recorded Nov 6, 20261,001-5,000988 contacts →

Exact match

“Blend is a premier AI services provider, committed to co-creating meaningful impact for its clients through the power of data science, AI, technology, and people.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAustin, TN, United StatesHQ recorded Nov 6, 20261,001-5,000891 contacts →

Exact match

“Qubika helps businesses evolve from Digital-Native to AI-Native.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSan Jose, NJ, United StatesHQ recorded Nov 6, 2026501-1,000682 contacts →

Exact match

“Relevance Lab is a next-generation technology services company -.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchKirkland, WA, United StatesHQ recorded Nov 6, 20261,001-5,000539 contacts →

Exact match

“Volga Partners is a global leader in generative AI (GenAI) innovation, building and deploying advanced AI solutions that power real-world business transformation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBellevue, WA, United StatesHQ recorded Nov 6, 2026501-1,000481 contacts →

Exact match

“Affine is a leading global AI and analytics company that has earned the trust of major organizations across industries for transforming businesses through data-driven insights and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchDenver, CO, United StatesHQ recorded Nov 6, 2026501-1,000416 contacts →

Exact match

“Veritone (NASDAQ: VERI) builds human-centered enterprise AI solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSunnyvale, TX, United StatesHQ recorded Nov 6, 2026201-500405 contacts →

Exact match

“Fission Labs is an AI and product engineering company helping businesses move from experimentation to execution, fast.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchChicago, IL, United StatesHQ recorded Nov 6, 2026201-500387 contacts →

Exact match

“SPR is a tech consultancy that builds AI-powered software designed to set businesses apart.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchCypress, TX, United StatesHQ recorded Nov 6, 2026201-500385 contacts →

Exact match

“RandomTrees is a global provider of Data and AI services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMacon, MO, United StatesHQ recorded Nov 6, 2026501-1,000383 contacts →

Exact match

“Onshore Outsourcing delivers enterprise IT services that align cost with outcomes, not hours.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSan Mateo, CA, United StatesHQ recorded Nov 6, 202651-200372 contacts →

Exact match

“Fireworks is the fastest way to build, tune, and scale AI on open models.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026201-500336 contacts →

Exact match

“Weights & Biases: the AI developer platform.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchParsippany, NJ, United StatesHQ recorded Nov 6, 2026201-500307 contacts →

Exact match

“Ganit is a full stack data company founded in 2017 with a mission to decipher the transformative power of artificial intelligence for businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 24 of 2,633 custom AI model developers based in the United States

See the full list, filter by size, metro and specialty, and access 18,306 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Custom AI model developers based in the United States at a glance

As of Nov 6, 2026
22.1%Verified-email coverage
31.4Average contacts per company
1-10Median size (employees)
8.1%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,727
11-50
639
51-200
192
201-500
42
501-1,000
17
1,001-5,000
11
5,001-10,000
2
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 2,633 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 “custom AI model 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 18,306 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 November 6, 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 “custom AI model developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many custom AI model developers are there based in the United States?

RevenueBase identified 2,633 company matches for custom AI model developers associated with the United States as of November 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?

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

Which city has the most custom AI model developers?

New York leads with 214 company records, followed by San Francisco (147) and Austin (83).

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 18,306 professional contacts with verified work emails tracked across these 2,633 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 November 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 2,633 custom AI model developers 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.