Company lists · Data refreshed September 2026

Top 25 AI platform development companies based in San Francisco, United States

Name: AI platform development companies based in San Francisco, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 396 companies tracked

RevenueBase identified 396 company matches for AI platform development companies associated with San Francisco, United States as of September 2026 and tracks 31,726 professional contacts across them, including 13,922 with verified work emails. Across the United States, New York is the largest hub for this category (401 companies); San Francisco follows with 396.

This list covers company matches for AI platform development 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 27, 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 27, 2026 How this list was built

396Companies

31,726Contacts tracked

13,922Verified emails

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The 25 largest AI platform development companies based in San Francisco, United States

Ranked by team size

Top 25 of 396 company matches for AI platform development companies based in San Francisco, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Databricks	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	5,001-10,000	12,830 contacts →
	Exact match “Databricks is the Data and AI company.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2	Turing	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	1,001-5,000	6,094 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 27, 2026 · View company records in RevenueBase
3	Writer	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	n/a	1,596 contacts →
	Exact match “WRITER is where the world’s leading enterprises orchestrate AI-powered work.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4	SIGMA	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	501-1,000	1,054 contacts →
	Exact match “Sigma is the AI apps and analytics platform connected to the cloud data warehouse.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5	Airtable	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	501-1,000	912 contacts →
	Exact match “Airtable’s AI app platform is the easiest way to build custom apps that accelerate your business operations.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6	Avenue Code	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	1,001-5,000	704 contacts →
	Exact match “We are AI/R.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7	Woflow	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	n/a	533 contacts →
	Exact match “Woflow builds AI Agents for enterprises.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8	Tools For Humanity	Exact match	San Francisco, United StatesHQ recorded Sep 27, 2026	51-200	438 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 27, 2026 · View company records in RevenueBase
9	Retool	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	201-500	413 contacts →
	Exact match “Vibe coding got apps out of engineering.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10	Weights & Biases	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	201-500	357 contacts →
	Exact match “Weights & Biases: the AI developer platform.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11	Together AI	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	201-500	304 contacts →
	Exact match “Together AI is the AI Native Cloud, purpose-built for AI engineers and researchers with a full suite of tooling across inference, model shaping, and pre-training.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12	gooddata.ai	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	201-500	280 contacts →
	Exact match “GoodData.AI is the AI-native, full-stack decision intelligence platform that helps businesses turn data into actionable, enterprise-grade insights.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13	Addo AI	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	201-500	269 contacts →
	Exact match “Addo means "to add" in Latin and we believe that by adding artificial intelligence (AI), we can democratize access to better infrastructure and services, tackle grand challenges…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14	gnani.ai	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	51-200	234 contacts →
	Exact match “Gnani AI is the frontier Voice AI company the world runs on.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15	Rescale	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	201-500	228 contacts →
	Exact match “Rescale’s cloud platform for modeling & simulation and applied AI accelerates product development and discovery for any organization.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16	Lucidworks	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	201-500	205 contacts →
	Exact match “Lucidworks makes search a superpower-ensuring the right information reaches the right people at the right time.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17	Sculptsoft AI Software Development Company	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	51-200	168 contacts →
	Exact match “SculptSoft is an AI-Software Development Company that transforms bold ideas into intelligent, scalable, and future-ready digital solutions.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18	Arize AI	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	51-200	159 contacts →
	Exact match “The AI engineering platform for teams shipping reliable AI agents and LLM applications.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19	Functionize	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	51-200	154 contacts →
	Exact match “Functionize: Pioneering the Future of Enterprise Agentic Automation Functionize is revolutionizing enterprise automation with its innovative Agentic Automation Platform.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20	Asap Developers	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	11-50	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 27, 2026 · View company records in RevenueBase
21	tray.ai	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	201-500	137 contacts →
	Exact match “Tray.ai is the enterprise AI orchestration platform.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22	Startupsoft	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	51-200	128 contacts →
	Exact match “StartupSoft is an AI-focused software engineering company.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23	Reforge	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	51-200	121 contacts →
	Exact match “Reforge provides expert training & AI-powered tools for product teams.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24	Mechanical Orchard	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	51-200	116 contacts →
	Exact match “Mechanical Orchard is an AI-native technology company that de-risks the process of bringing old but critical computer systems up to date.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25	BRIX	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	11-50	96 contacts →
	Exact match “Brix is an AI-native recruiting and organization platform, incubated by HF0-one of Silicon Valley’s most selective accelerators-and a proud member of the NVIDIA Inception Program.” Recorded in the RevenueBase company graph · Sep 27, 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 platform development 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 25 of 396 AI platform development companies based in San Francisco, United States

See the full list, filter by size, metro and specialty, and access 13,922 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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AI platform development companies based in San Francisco, United States at a glance

As of Sep 27, 2026

43.9%Verified-email coverage

80.1Average contacts per company

1-10Median size (employees)

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

209

11-50

127

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 396 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 platform development 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 13,922 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 27, 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 platform development 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 platform development companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many AI platform development companies are there based in San Francisco, United States?

RevenueBase identified 396 company matches for AI platform development 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?

Databricks 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 platform development companies?

New York leads the United States with 401 company records, followed by San Francisco (396) and Austin (166).

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 13,922 professional contacts with verified work emails tracked across these 396 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 27, 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.