Company lists · Data refreshed September 2026
Top 21 AI model training companies based in San Francisco, United States
RevenueBase identified 58 company matches for AI model training companies associated with San Francisco, United States as of September 2026 and tracks 8,690 professional contacts across them, including 200 with verified work emails. Across the United States, San Francisco is the largest hub for this category.
This list covers company matches for AI model training companies associated with San Francisco, 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 19, 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.
The 21 largest AI model training companies based in San Francisco, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,009 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 · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 356 contacts → | ||||
Exact match “SuperAnnotate bridges the gap between cutting-edge AI innovation and the high-quality human data that powers it - helping advanced AI teams build more intelligent models.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 141 contacts → | ||||
Exact match “Asap Developers is a leading provider of cutting-edge AI and Data Engineering solutions, dedicated to helping businesses unlock their full potential.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 78 contacts → | ||||
Exact match “HumanSignal enables data science teams to build AI models with their company DNA.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 67 contacts → | ||||
Exact match “Intuz develops AI solutions that go directly into production, not just presentations.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 34 contacts → | ||||
Exact match “Prime Intellect makes frontier AI training accessible to every company.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 24 contacts → | ||||
Exact match “Casper Studios is an AI services firm that helps businesses implement AI across their operations and build external-facing AI products.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 23 contacts → | ||||
Exact match “Product Faculty is the #1-ranked AI product team training program.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 22 contacts → | ||||
Exact match “StardustAI provides data annotation and data management services to global artificial intelligence companies.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 13 contacts → | ||||
Exact match “Inference.net helps teams ship AI that’s faster, smarter, and dramatically more cost-efficient.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 7 contacts → | ||||
Exact match “We help you with Data Infrastructure & AI Agent building” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 6 contacts → | ||||
Exact match “We operate at the intersection of engineering, product, and operations.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 4 contacts → | ||||
Exact match “At Arkoz, we believe in the transformative power of AI and are dedicated to pioneering cutting-edge solutions that push the boundaries of what is possible.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 4 contacts → | ||||
Exact match “We specialize in human-in-the-loop data labeling for frontier AI teams.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 4 contacts → | ||||
Exact match “True Theta provides the critical code and expertise to design, build, and scale production-grade machine learning systems that directly improve revenue, profit, and efficiency.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 4 contacts → | ||||
Exact match “Elevate your vehicle’s perception machine learning with LabelAI.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 3 contacts → | ||||
Exact match “We're building a new operating system for AI agents.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 3 contacts → | ||||
Exact match “Tagflow AI specializes in optimizing the fine-tuning of AI models, delivering faster, more cost-effective solutions that elevate model performance.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 2 contacts → | ||||
Exact match “We help businesses accelerate their ROI from AI.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 2 contacts → | ||||
Exact match “Welcome to KYFEX!” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 1 contacts → | ||||
Exact match “At PropulsionAI, we’re on a mission to redefine the AI model training landscape by providing AI developers with an advanced platform that's not just powerful but also…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “AI model training companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 21 of 58 AI model training companies based in San Francisco, United States
See the full list, filter by size, metro and specialty, and access 200 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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AI model training companies based in San Francisco, United States at a glance
As of Sep 19, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for San Francisco, so it is reported there. Company counts and contact totals on this page are exact for San Francisco, over 58 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 San Francisco, United States whose business descriptions match “AI model training companies” 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 200 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 19, 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.
AI model training companies by metro in the United States
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 “AI model training companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many AI model training companies are there based in San Francisco, United States?
RevenueBase identified 58 company matches for AI model training companies associated with San Francisco, 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?
SAMA tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United States has the most AI model training companies?
San Francisco leads the United States with 58 company records, followed by New York (53) and Austin (36).
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 200 professional contacts with verified work emails tracked across these 58 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 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 58 AI model training companies based in San Francisco, United States. Start with a free account, no credit card.
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- AI model training companies based in France
- AI model training companies based in Germany
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.
More company lists
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Company intelligence · public preview
Top 21 AI model training companies based in San Francisco, United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 58 matching company records for AI model training companies based in San Francisco, United States, with 8,690 tracked contacts and 200 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 21 AI model training companies based in San Francisco, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  SAMAsama.comHQ: San Francisco, CA, United StatesReported employees: 1,001-5,000 | San Francisco, CA, United States | 1,001-5,000 | Exact match | 3,009 contacts → |
“What Does Sama Do Sama gets your AI project to production-and helps you stay there.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Superannotatesuperannotate.comHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 356 contacts → |
“SuperAnnotate bridges the gap between cutting-edge AI innovation and the high-quality human data that powers it - helping advanced AI teams build more intelligent models.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Asap Developersasapdevelopers.comHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 141 contacts → |
“Asap Developers is a leading provider of cutting-edge AI and Data Engineering solutions, dedicated to helping businesses unlock their full potential.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Humansignalhumansignal.comHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 78 contacts → |
“HumanSignal enables data science teams to build AI models with their company DNA.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  INTUZintuz.comHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 67 contacts → |
“Intuz develops AI solutions that go directly into production, not just presentations.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Prime Intellectprimeintellect.aiHQ: San Francisco, United StatesReported employees: 11-50 | San Francisco, United States | 11-50 | Exact match | 34 contacts → |
“Prime Intellect makes frontier AI training accessible to every company.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Casper Studioscasperstudios.xyzHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 24 contacts → |
“Casper Studios is an AI services firm that helps businesses implement AI across their operations and build external-facing AI products.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Product Facultyproductfaculty.comHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 23 contacts → |
“Product Faculty is the #1-ranked AI product team training program.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Stardust AIstardust.aiHQ: San Francisco, United StatesReported employees: 51-200 | San Francisco, United States | 51-200 | Exact match | 22 contacts → |
“StardustAI provides data annotation and data management services to global artificial intelligence companies.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  inference.netinference.netHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 13 contacts → |
“Inference.net helps teams ship AI that’s faster, smarter, and dramatically more cost-efficient.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  analyze.agencyanalyze.agencyHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 7 contacts → |
“We help you with Data Infrastructure & AI Agent building” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Soqonosoqono.comHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 6 contacts → |
“We operate at the intersection of engineering, product, and operations.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  ARKOZarkoz.aiHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 4 contacts → |
“At Arkoz, we believe in the transformative power of AI and are dedicated to pioneering cutting-edge solutions that push the boundaries of what is possible.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Productlabproductlab.aiHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 4 contacts → |
“We specialize in human-in-the-loop data labeling for frontier AI teams.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  True Thetatruetheta.ioHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 4 contacts → |
“True Theta provides the critical code and expertise to design, build, and scale production-grade machine learning systems that directly improve revenue, profit, and efficiency.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Label AIlabelai.coHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 4 contacts → |
“Elevate your vehicle’s perception machine learning with LabelAI.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Fixpointfixpoint.coHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 3 contacts → |
“We're building a new operating system for AI agents.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Tagflow AItagflow-ai.comHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 3 contacts → |
“Tagflow AI specializes in optimizing the fine-tuning of AI models, delivering faster, more cost-effective solutions that elevate model performance.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  All-In Consultingallinconsulting.aiHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 2 contacts → |
“We help businesses accelerate their ROI from AI.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  KYFEXkyfex.comHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 2 contacts → |
“Welcome to KYFEX!” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Propulsionaipropulsionhq.comHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 1 contacts → |
“At PropulsionAI, we’re on a mission to redefine the AI model training landscape by providing AI developers with an advanced platform that's not just powerful but also…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 58 company matches
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AI model training companies: dataset insights
September 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
58 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United States list rather than for San Francisco, so it is reported there. Company counts and contact totals on this page are exact for San Francisco, over 58 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
AI model training companies by metro in the United States
Questions about this company list
What does Exact match mean for AI model training companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many AI model training companies did RevenueBase find based in San Francisco, United States?
The saved snapshot records 58 matching company records, 8,690 tracked contacts and 200 verified emails. The public preview displays 21 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
AI model training companies by geography
- AI model training companies based in Toronto, Canada
- AI model training companies based in Paris, France
- AI model training companies based in Hyderabad, India
- AI model training companies based in Singapore, Singapore
- AI model training companies based in London, United Kingdom
- AI model training companies based in Austin, United States
- AI model training companies based in New York, United States
- AI model training companies based in Australia
- AI model training companies based in Brazil
- AI model training companies based in Canada
- AI model training companies based in France
- AI model training companies based in Germany
Cite this list
RevenueBase Data Team. Top 21 AI model training companies based in San Francisco, United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/ai-model-training-companies/united-states/san-francisco.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- AI model training companies based in Toronto, Canada
- AI model training companies based in Paris, France
- AI model training companies based in Hyderabad, India
- AI model training companies based in Singapore, Singapore
- AI model training companies based in London, United Kingdom
- AI model training companies based in Austin, United States
Company intelligence · public preview
Top 21 AI model training companies based in San Francisco, United States
RevenueBase records 58 matching company records for AI model training companies based in San Francisco, United States, with 8,690 tracked contacts and 200 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 21 AI model training companies based in San Francisco, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | SAMAsama.com HQ: San Francisco, CA, United StatesReported employees: 1,001-5,000 | San Francisco, CA, United States | 1,001-5,000 | Exact match | 3,009 contacts → |
“What Does Sama Do Sama gets your AI project to production-and helps you stay there.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Superannotatesuperannotate.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 356 contacts → |
“SuperAnnotate bridges the gap between cutting-edge AI innovation and the high-quality human data that powers it - helping advanced AI teams build more intelligent models.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Asap Developersasapdevelopers.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 141 contacts → |
“Asap Developers is a leading provider of cutting-edge AI and Data Engineering solutions, dedicated to helping businesses unlock their full potential.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Humansignalhumansignal.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 78 contacts → |
“HumanSignal enables data science teams to build AI models with their company DNA.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | INTUZintuz.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 67 contacts → |
“Intuz develops AI solutions that go directly into production, not just presentations.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Prime Intellectprimeintellect.ai HQ: San Francisco, United StatesReported employees: 11-50 | San Francisco, United States | 11-50 | Exact match | 34 contacts → |
“Prime Intellect makes frontier AI training accessible to every company.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Casper Studioscasperstudios.xyz HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 24 contacts → |
“Casper Studios is an AI services firm that helps businesses implement AI across their operations and build external-facing AI products.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Product Facultyproductfaculty.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 23 contacts → |
“Product Faculty is the #1-ranked AI product team training program.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Stardust AIstardust.ai HQ: San Francisco, United StatesReported employees: 51-200 | San Francisco, United States | 51-200 | Exact match | 22 contacts → |
“StardustAI provides data annotation and data management services to global artificial intelligence companies.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | inference.netinference.net HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 13 contacts → |
“Inference.net helps teams ship AI that’s faster, smarter, and dramatically more cost-efficient.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | analyze.agencyanalyze.agency HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 7 contacts → |
“We help you with Data Infrastructure & AI Agent building” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Soqonosoqono.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 6 contacts → |
“We operate at the intersection of engineering, product, and operations.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | ARKOZarkoz.ai HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 4 contacts → |
“At Arkoz, we believe in the transformative power of AI and are dedicated to pioneering cutting-edge solutions that push the boundaries of what is possible.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Productlabproductlab.ai HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 4 contacts → |
“We specialize in human-in-the-loop data labeling for frontier AI teams.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | True Thetatruetheta.io HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 4 contacts → |
“True Theta provides the critical code and expertise to design, build, and scale production-grade machine learning systems that directly improve revenue, profit, and efficiency.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Label AIlabelai.co HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 4 contacts → |
“Elevate your vehicle’s perception machine learning with LabelAI.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Fixpointfixpoint.co HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 3 contacts → |
“We're building a new operating system for AI agents.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Tagflow AItagflow-ai.com HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 3 contacts → |
“Tagflow AI specializes in optimizing the fine-tuning of AI models, delivering faster, more cost-effective solutions that elevate model performance.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | All-In Consultingallinconsulting.ai HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 2 contacts → |
“We help businesses accelerate their ROI from AI.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | KYFEXkyfex.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 2 contacts → |
“Welcome to KYFEX!” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Propulsionaipropulsionhq.com HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 1 contacts → |
“At PropulsionAI, we’re on a mission to redefine the AI model training landscape by providing AI developers with an advanced platform that's not just powerful but also…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 58 company matches
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AI model training companies: dataset insights
September 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
58 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United States list rather than for San Francisco, so it is reported there. Company counts and contact totals on this page are exact for San Francisco, over 58 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
AI model training companies by metro in the United States
Questions about this company list
What does Exact match mean for AI model training companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many AI model training companies did RevenueBase find based in San Francisco, United States?
The saved snapshot records 58 matching company records, 8,690 tracked contacts and 200 verified emails. The public preview displays 21 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 21 AI model training companies based in San Francisco, United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/ai-model-training-companies/united-states/san-francisco.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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