Company lists · Data refreshed September 2026

Top 25 Responsible AI software companies based in San Francisco, United States

RevenueBase identified 93 company matches for responsible AI software companies associated with San Francisco, United States as of September 2026 and tracks 14,016 professional contacts across them, including 2,974 with verified work emails. Across the United States, New York is the largest hub for this category (94 companies); San Francisco follows with 93.

This list covers company matches for responsible AI software 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 29, 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 Sep 29, 2026 How this list was built
93Companies
14,016Contacts tracked
2,974Verified emails
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The 25 largest responsible AI software companies based in San Francisco, United States

Ranked by team size
Top 25 of 93 company matches for responsible AI software companies based in San Francisco, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 matchSan Francisco, CA, United StatesHQ recorded Sep 29, 2026n/a6,133 contacts →

Exact match

“Scale’s mission is to develop reliable AI systems for the world’s most important decisions.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 20261,001-5,0006,094 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchSan Francisco, United StatesHQ recorded Sep 29, 202651-200438 contacts →

Exact match

“Tools for Humanity is a technology company built to ensure a more just economic system.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202651-200128 contacts →

Exact match

“StartupSoft is an AI-focused software engineering company.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202651-20093 contacts →

Exact match

“The Voltage Park AI Factory: a fully integrated hardware and software platform that eliminates the learning curve, vendor lock-in, and data privacy tradeoffs holding companies…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202611-5069 contacts →

Exact match

“Holistic AI is the control layer for enterprise AI.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202611-5062 contacts →

Exact match

“AI is only as good as the data it runs on.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202651-20056 contacts →

Exact match

“The next generation of AI won't be built by five companies.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202651-20050 contacts →

Exact match

“Security, hallucination, and compliance gaps are stifling your AI production goals.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202651-20050 contacts →

Exact match

“Fractional AI is focused on putting frontier AI to work.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202611-5037 contacts →

Exact match

“AI is driving a massive platform shift, but like every major shift (PC, mobile, cloud), it demands a trust layer upgrade.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202611-5037 contacts →

Exact match

“SimplAI is a full-stack Agentic AI Operating System built for enterprises that need to move beyond isolated LLM experiments and deploy AI that actually runs production workflows.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202611-5034 contacts →

Exact match

“At Maxim AI, we are building the production infrastructure for AI.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202611-5028 contacts →

Exact match

“Virtue AI sets the standard for advanced AI security platforms.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202651-20026 contacts →

Exact match

“Turium offers the world's first secure, private, and the most powerful version of Enterprise AI.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202611-5024 contacts →

Exact match

“Openlayer is the AI Governance Control Plane for Regulated Enterprises.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202611-5019 contacts →

Exact match

“Promptfoo is the leading open-core platform for AI application security, enabling enterprises to identify and remediate vulnerabilities in LLMs, RAG systems, and AI agents before…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 20261-1019 contacts →

Exact match

“Transluce is an independent research lab that builds open, scalable technology for understanding AI systems and steering them in the public interest.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202611-5019 contacts →

Exact match

“Sensfix is an agentic AI platform for buildings & facilities using multi-modal AI to digitize diverse inputs, automate workflows & run unmanned decision-making in logistics…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 20261-1013 contacts →

Exact match

“Founded in March 2018.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202611-5013 contacts →

Exact match

“In asset-intensive and regulated industries like Pharma, Manufacturing, and Critical Infrastructure, operational downtime is a multi-million dollar problem.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 20261-107 contacts →

Exact match

“ErisAI is an Applied AI Research and Deployment Company building intelligent systems for real-world enterprise and government environments.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202611-506 contacts →

Exact match

“nFactor harnesses AI to enhance enterprise security, offering secure and responsible applications.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 20261-106 contacts →

Exact match

“Empromptu builds custom AI models for businesses running production AI at scale.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202611-505 contacts →

Exact match

“Your trading partners are about to start transacting through agents.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 93 responsible AI software companies based in San Francisco, United States

See the full list, filter by size, metro and specialty, and access 2,974 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Responsible AI software companies based in San Francisco, United States at a glance

As of Sep 29, 2026
21.2%Verified-email coverage
150.7Average contacts per company
1-10Median size (employees)
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
47
11-50
31
51-200
12
501-1,000
2
1,001-5,000
1

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 93 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 “responsible AI software 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 2,974 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 29, 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.

Responsible AI software 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 “responsible AI software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many responsible AI software companies are there based in San Francisco, United States?

RevenueBase identified 93 company matches for responsible AI software 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?

Scale AI 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 responsible AI software companies?

New York leads the United States with 94 company records, followed by San Francisco (93) 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 2,974 professional contacts with verified work emails tracked across these 93 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 29, 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.