Company lists · Data refreshed September 2026
Top 19 Llm companies based in San Francisco, United States
RevenueBase identified 39 company matches for llm companies associated with San Francisco, United States as of September 2026 and tracks 681 professional contacts across them, including 245 with verified work emails and 94 with mobile numbers. Across the United States, San Francisco is the largest hub for this category.
This list covers company matches for llm 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 12, 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 19 largest llm companies based in San Francisco, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 164 contacts → | ||||
Exact match “Redrob -'border' in reverse - is building LLMs for the next 3 billion.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 2 | 147 contacts → | ||||
Exact match “At Murf AI, we believe voice will always be humanity’s most natural interface and we empower builders and creators to unlock the full potential of AI voice.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 3 | 106 contacts → | ||||
Exact match “AssemblyAI is the best way to build Voice AI apps.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 4 | 64 contacts → | ||||
Exact match “Smallest.ai is an AI research lab pioneering the future of compact, powerful models.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 5 | 35 contacts → | ||||
Exact match “World-class performance per parameter language models, from IoT to the data center.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 6 | 15 contacts → | ||||
Exact match “Zuro is your partner in your AI journey, offering you the tools and expertise needed to unlock the full potential of AI for your enterprise.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 7 | 13 contacts → | ||||
Exact match “Every AI system eventually runs out of room.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 8 | 12 contacts → | ||||
Exact match “Athina helps LLM developers prototype, experiment, evaluate and monitor production-grade AI pipelines.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 9 | 10 contacts → | ||||
Exact match “WaveForms AI is an Audio LLM research and product company aiming to solve the Speech Turing Test and create Emotional General Intelligence.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 10 | 9 contacts → | ||||
Exact match “Making it easy to run or deploy machine learning models and develop LLM applications.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 11 | 8 contacts → | ||||
Exact match “Generate, annotate, clean and enrich datasets for all your AI needs with Refuel's LLM-powered platform.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 12 | 6 contacts → | ||||
Exact match “Pointable enables teams to quickly build accurate and reliable LLM-native products.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 13 | 6 contacts → | ||||
Exact match “Build LLM Apps in minutes, not days.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 14 | 5 contacts → | ||||
Exact match “Okareo helps enterprises ship reliable Voice AI.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 15 | 5 contacts → | ||||
Exact match “Sapien provides generative ai search and custom LLMs for brands worldwide.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 16 | 4 contacts → | ||||
Exact match “The complete LLM platform with a superior developer experience and robust infrastructure.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 17 | 1 contacts → | ||||
Exact match “Enterprise LLM-ops platform to build, observe and protect GenAI apps.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 18 | 1 contacts → | ||||
Exact match “Phronema LLC is a private software and research company that develops software and consumer-facing applications, conducts applied research on large language models (LLMs), and…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 19 | 1 contacts → | ||||
Exact match “Language model toolkit for enterprise applications.” Recorded in the RevenueBase company graph · Sep 12, 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 “llm 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 19 of 39 llm companies based in San Francisco, United States
See the full list, filter by size, metro and specialty, and access 245 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Llm companies based in San Francisco, United States at a glance
As of Sep 12, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 14.0dCompany record updated
Median 54.0dHow 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 “llm 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 245 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 12, 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 “llm companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many llm companies are there based in San Francisco, United States?
RevenueBase identified 39 company matches for llm 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?
Redrob 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 llm companies?
San Francisco leads the United States with 31 company records, followed by New York (13) and Palo Alto (4).
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 245 professional contacts with verified work emails tracked across these 39 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 12, 2026.
Ready to reach these companies? Verified emails and direct dials for all 39 llm companies based in San Francisco, United States. Start with a free account, no credit card.
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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.
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Company intelligence · public preview
Top 19 llm 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 39 matching company records for llm companies based in San Francisco, United States, with 681 tracked contacts and 245 verified work emails.
This public preview shows 19 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 12, 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 19 llm 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 |  Redrobredrob.ioHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 164 contacts → |
“Redrob -'border' in reverse - is building LLMs for the next 3 billion.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Murf AImurf.aiHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 147 contacts → |
“At Murf AI, we believe voice will always be humanity’s most natural interface and we empower builders and creators to unlock the full potential of AI voice.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Assemblyaiassemblyai.comHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 106 contacts → |
“AssemblyAI is the best way to build Voice AI apps.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  smallest.aismallest.aiHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 64 contacts → |
“Smallest.ai is an AI research lab pioneering the future of compact, powerful models.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Arcee AIarcee.aiHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 35 contacts → |
“World-class performance per parameter language models, from IoT to the data center.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  ZUROgetzuro.comHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 15 contacts → |
“Zuro is your partner in your AI journey, offering you the tools and expertise needed to unlock the full potential of AI for your enterprise.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Hypernymhypernym.aiHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 13 contacts → |
“Every AI system eventually runs out of room.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Athina AI YC W23athina.aiHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 12 contacts → |
“Athina helps LLM developers prototype, experiment, evaluate and monitor production-grade AI pipelines.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Waveforms AIwaveforms.aiHQ: San Francisco, United StatesReported employees: 1-10 | San Francisco, United States | 1-10 | Exact match | 10 contacts → |
“WaveForms AI is an Audio LLM research and product company aiming to solve the Speech Turing Test and create Emotional General Intelligence.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Outpostoutpost.runHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 9 contacts → |
“Making it easy to run or deploy machine learning models and develop LLM applications.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Refuelrefuel.aiHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 8 contacts → |
“Generate, annotate, clean and enrich datasets for all your AI needs with Refuel's LLM-powered platform.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Pointablepointable.aiHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 6 contacts → |
“Pointable enables teams to quickly build accurate and reliable LLM-native products.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Litellm YC W23berri.ai HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 6 contacts → |
“Build LLM Apps in minutes, not days.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Okareookareo.comHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 5 contacts → |
“Okareo helps enterprises ship reliable Voice AI.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Sapien AIsapien.aiHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 5 contacts → |
“Sapien provides generative ai search and custom LLMs for brands worldwide.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Langbaselangbase.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 4 contacts → |
“The complete LLM platform with a superior developer experience and robust infrastructure.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Lunarylunary.aiHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 1 contacts → |
“Enterprise LLM-ops platform to build, observe and protect GenAI apps.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Phronemaphronema.aiHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 1 contacts → |
“Phronema LLC is a private software and research company that develops software and consumer-facing applications, conducts applied research on large language models (LLMs), and…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  sapling.aisapling.aiHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 1 contacts → |
“Language model toolkit for enterprise applications.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 19 of 39 company matches
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Llm companies: dataset insights
September 12, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
39 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.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 14.0dCompany record updated
Median 54.0dHow 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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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 12, 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 ↗
Questions about this company list
What does Exact match mean for llm 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 llm companies did RevenueBase find based in San Francisco, United States?
The saved snapshot records 39 matching company records, 681 tracked contacts and 245 verified emails. The public preview displays 19 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 12, 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
Llm companies by geography
Cite this list
RevenueBase Data Team. Top 19 llm companies based in San Francisco, United States. Snapshot: September 12, 2026. https://revenuebase.ai/companies/llm-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
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- Lists by location
- Lists A-Z
- New lists
- Llm companies based in the United States
- Llm companies based in India
- 2d animation companies based in San Francisco, United States
- 2d animation services based in San Francisco, United States
- 2d animation studios based in San Francisco, United States
- 2d studios based in San Francisco, United States
Company intelligence · public preview
Top 19 llm companies based in San Francisco, United States
RevenueBase records 39 matching company records for llm companies based in San Francisco, United States, with 681 tracked contacts and 245 verified work emails.
This public preview shows 19 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 12, 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 19 llm 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 | Redrobredrob.io HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 164 contacts → |
“Redrob -'border' in reverse - is building LLMs for the next 3 billion.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Murf AImurf.ai HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 147 contacts → |
“At Murf AI, we believe voice will always be humanity’s most natural interface and we empower builders and creators to unlock the full potential of AI voice.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Assemblyaiassemblyai.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 106 contacts → |
“AssemblyAI is the best way to build Voice AI apps.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | smallest.aismallest.ai HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 64 contacts → |
“Smallest.ai is an AI research lab pioneering the future of compact, powerful models.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Arcee AIarcee.ai HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 35 contacts → |
“World-class performance per parameter language models, from IoT to the data center.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | ZUROgetzuro.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 15 contacts → |
“Zuro is your partner in your AI journey, offering you the tools and expertise needed to unlock the full potential of AI for your enterprise.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Hypernymhypernym.ai HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 13 contacts → |
“Every AI system eventually runs out of room.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Athina AI YC W23athina.ai HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 12 contacts → |
“Athina helps LLM developers prototype, experiment, evaluate and monitor production-grade AI pipelines.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Waveforms AIwaveforms.ai HQ: San Francisco, United StatesReported employees: 1-10 | San Francisco, United States | 1-10 | Exact match | 10 contacts → |
“WaveForms AI is an Audio LLM research and product company aiming to solve the Speech Turing Test and create Emotional General Intelligence.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Outpostoutpost.run HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 9 contacts → |
“Making it easy to run or deploy machine learning models and develop LLM applications.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Refuelrefuel.ai HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 8 contacts → |
“Generate, annotate, clean and enrich datasets for all your AI needs with Refuel's LLM-powered platform.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Pointablepointable.ai HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 6 contacts → |
“Pointable enables teams to quickly build accurate and reliable LLM-native products.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Litellm YC W23berri.ai HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 6 contacts → |
“Build LLM Apps in minutes, not days.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Okareookareo.com HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 5 contacts → |
“Okareo helps enterprises ship reliable Voice AI.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Sapien AIsapien.ai HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 5 contacts → |
“Sapien provides generative ai search and custom LLMs for brands worldwide.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Langbaselangbase.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 4 contacts → |
“The complete LLM platform with a superior developer experience and robust infrastructure.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Lunarylunary.ai HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 1 contacts → |
“Enterprise LLM-ops platform to build, observe and protect GenAI apps.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Phronemaphronema.ai HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 1 contacts → |
“Phronema LLC is a private software and research company that develops software and consumer-facing applications, conducts applied research on large language models (LLMs), and…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | sapling.aisapling.ai HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 1 contacts → |
“Language model toolkit for enterprise applications.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 19 of 39 company matches
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Llm companies: dataset insights
September 12, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
39 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.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 14.0dCompany record updated
Median 54.0dHow 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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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 12, 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 ↗
Questions about this company list
What does Exact match mean for llm 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 llm companies did RevenueBase find based in San Francisco, United States?
The saved snapshot records 39 matching company records, 681 tracked contacts and 245 verified emails. The public preview displays 19 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 12, 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
Llm companies by geography
Cite this list
RevenueBase Data Team. Top 19 llm companies based in San Francisco, United States. Snapshot: September 12, 2026. https://revenuebase.ai/companies/llm-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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