Company lists · Data refreshed November 2026

Top 24 Custom AI model development services based in the United States

RevenueBase identified 723 company matches for custom AI model development services associated with the United States as of November 2026 and tracks 25,430 professional contacts across them, including 5,086 with verified work emails. New York is the largest hub.

This list covers company matches for custom AI model development services 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
723Companies
25,430Contacts tracked
5,086Verified emails
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The 24 largest custom AI model development services based in the United States

Ranked by team size
Top 24 of 723 company matches for custom AI model development services 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 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
3Exact 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
4Exact 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
5Exact 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
6Exact 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
7Exact 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
8Exact matchAlameda, CA, United StatesHQ recorded Nov 6, 2026201-500285 contacts →

Exact match

“Absolutdata- an Infogain company, our products and services deliver scalable business impact across the enterprise by combining cutting edge AI and ML with its heritage in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-200240 contacts →

Exact match

“The AI development platform - From idea to AI, Lightning fast.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchWestborough, MA, United StatesHQ recorded Nov 6, 2026201-500238 contacts →

Exact match

“At Saras Analytics, we build AI data teams for D2C and omnichannel brands.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 2026201-500218 contacts →

Exact match

“Aimpoint Digital is a market-leading applied AI, platform engineering, and operations research firm serving enterprise and growth-stage organizations across the US and UK.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchCharlottesville, NC, United StatesHQ recorded Nov 6, 202651-200173 contacts →

Exact match

“With three decades at the forefront of applied AI and machine learning, Elder Research, a MANTECH company, gives large organizations and government agencies a surefire way to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 2026201-500137 contacts →

Exact match

“Most vendors build you software.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026201-500126 contacts →

Exact match

“Azumo is a top-rated, award-winning AI and software development company (founded 2016) delivering web, mobile, data, and cloud solutions through expert nearshore and onshore…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202651-20099 contacts →

Exact match

“In 36 months, agentic AI systems will be an operating reality across major institutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMiami, FL, United StatesHQ recorded Nov 6, 202651-20090 contacts →

Exact match

“Flatiron builds AI systems from the ground up.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchPleasanton, CA, United StatesHQ recorded Nov 6, 202651-20081 contacts →

Exact match

“Wizr AI helps enterprises design, build, and operationalize AI systems that modernize operations, improve decision-making, and scale intelligence across the organization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 202651-20079 contacts →

Exact match

“AI & Data driven innovative business solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBrooklyn, United StatesHQ recorded Nov 6, 202651-20073 contacts →

Exact match

“Xenoss is a specialized AI and data engineering company recognized among the top 100 software companies on the Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchPalo Alto, CA, United StatesHQ recorded Nov 6, 202611-5072 contacts →

Exact match

“We enable high-performance AI on CPUs like never before-making 100s of large language models deployable on cloud, on-premise and on device.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026501-1,00066 contacts →

Exact match

“Backed by Harvard and Stanford alumni, Gaper brings top talent to every engagement, with a proven track record serving Fortune 500 enterprises and accelerating growth for startups…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchPleasanton, CA, United StatesHQ recorded Nov 6, 202651-20061 contacts →

Exact match

“About us: Smarc Solutions Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchCary, NC, United StatesHQ recorded Nov 6, 202651-20056 contacts →

Exact match

“TrieDatum specializes in delivering tailored Data and AI solutions to address complex business challenges.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202611-5055 contacts →

Exact match

“AIDAS is an AI-driven data and analytics company helping organisations move beyond fragmented systems by replacing costly transformation with a flexible subscription model that…”

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

Showing 24 of 723 custom AI model development services based in the United States

See the full list, filter by size, metro and specialty, and access 5,086 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Custom AI model development services based in the United States at a glance

As of Nov 6, 2026
20.0%Verified-email coverage
35.2Average contacts per company
1-10Median size (employees)
8.4%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
460
11-50
181
51-200
59
201-500
15
501-1,000
3
1,001-5,000
3
5,001-10,000
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 723 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 development services” 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 5,086 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 development services”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 723 company matches for custom AI model development services 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 development services?

New York leads with 61 company records, followed by San Francisco (47) and Austin (22).

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 5,086 professional contacts with verified work emails tracked across these 723 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.

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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.