Company lists · Data verified August 2026

Top 25 AI model fine-tuning platforms based in the United States

Name: AI model fine-tuning platforms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 114 companies tracked

There are 114 AI model fine-tuning platforms headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 10,625 professional contacts across them, including 2,211 with verified work emails and 1,874 with mobile numbers. San Francisco is the largest hub.

This list covers AI model fine-tuning platforms headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

114Companies

10,625Contacts tracked

2,211Verified emails

1,874Mobile numbers

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The 25 largest AI model fine-tuning platforms based in the United States

Ranked by team size

Top 25 of 114 AI model fine-tuning platforms based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Telus Digital AI Data Solutions	Las Vegas, NV	10001+	4,747	426
2	Snorkel AI	Redwood City, CA	n/a	928	163
3	Anyscale	San Francisco, CA	201-500	768	141
4	Thoth AI	San Mateo, CA	201-500	730	50
5	Anaconda, INC	Austin, TX	201-500	516	374
6	Weights & Biases	San Francisco, CA	201-500	342	76
7	Together AI	San Francisco, CA	201-500	292	192
8	Straker	Philadelphia, PA	201-500	261	58
9	Telus International AI Data Solutions	Las Vegas, NV	10001+	183	21
10	Fireworks AI	San Mateo, CA	51-200	160	79
11	Lightning AI	Seattle	51-200	135	74
12	MERGE	San Francisco, CA	51-200	126	83
13	Galileo	Burlingame, CA	51-200	90	19
14	COMET	New York, NY	51-200	89	44
15	Edge Impulse	San Diego, CA	51-200	85	44
16	Striveworks	Vass, NC	51-200	83	51
17	Runpod	San Francisco, CA	51-200	81	43
18	Humansignal	San Francisco, CA	51-200	76	33
19	Voxel51	Ann Arbor, MI	51-200	63	48
20	Zeromatter	Mountain View	51-200	62	7
21	Accure INC	Reston, VA	11-50	53	17
22	iv.ai	Los Angeles, CA	51-200	52	26
23	Prime Intellect	San Francisco	11-50	32	17
24	wallaroo.ai	New York, NY	11-50	30	18
25	Pydantic	CA	11-50	28	19

Showing 25 of 114 AI model fine-tuning platforms based in the United States

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AI model fine-tuning platforms based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

San FranciscoLargest hub · 32 HQs

1,874Contacts with mobile numbers

14Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

10001+

AI model fine-tuning platforms by metro

Metro	Companies
AI model fine-tuning platforms in San Francisco	32
AI model fine-tuning platforms in Austin	7
AI model fine-tuning platforms in Palo Alto	5
AI model fine-tuning platforms in New York	4
AI model fine-tuning platforms in Chicago	3
AI model fine-tuning platforms in San Mateo	3
AI model fine-tuning platforms in Wilmington	3

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “AI model fine-tuning platforms”, with match quality audited by blind human judging, and headquartered in the United States.
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: Contact records re-verify on a rolling cadence; 14 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many AI model fine-tuning platforms are there based in the United States?

There are 114 AI model fine-tuning platforms headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Telus Digital AI Data Solutions, headquartered in Las Vegas, tops this list with the largest team on record.

Which city has the most AI model fine-tuning platforms?

San Francisco leads with 32 headquartered companies, followed by Austin (7) and Palo Alto (5).

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 2,211 verified decision-maker contacts tracked across these 114 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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AI model fine-tuning platforms based in San Francisco, United States

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.