Company lists · Data verified August 2026

Top 25 AI platform providers based in San Francisco, United States

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 326 companies tracked

There are 326 AI platform providers headquartered in San Francisco, United States (RevenueBase, August 2026). RevenueBase tracks 29,084 professional contacts across them, including 8,003 with verified work emails and 4,888 with mobile numbers. San Francisco is the largest hub.

This list covers AI platform providers headquartered in San Francisco, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

326Companies

29,084Contacts tracked

8,003Verified emails

4,888Mobile numbers

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

Ranked by team size

Top 25 of 326 AI platform providers based in San Francisco, United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Scale AI	San Francisco, CA	n/a	5,971	1,071
2	Turing	San Francisco, CA	1,001-5,000	5,900	1,102
3	Celonis	San Francisco, CA	1,001-5,000	3,632	658
4	Innovaccer	San Francisco, CA	1,001-5,000	1,831	789
5	Writer	San Francisco, CA	n/a	1,564	391
6	SIGMA	San Francisco, CA	501-1,000	1,036	705
7	Cohere	San Francisco, CA	201-500	940	430
8	Airtable	San Francisco, CA	501-1,000	928	484
9	Anyscale	San Francisco, CA	201-500	768	141
10	AI R Everymind	San Francisco, CA	501-1,000	485	103
11	Weights & Biases	San Francisco, CA	201-500	342	76
12	Together AI	San Francisco, CA	201-500	292	192
13	gooddata.ai	San Francisco, CA	201-500	275	149
14	Rescale	San Francisco, CA	201-500	237	159
15	VYRO	San Francisco	51-200	181	43
16	Baseten	San Francisco, CA	201-500	173	111
17	Functionize	San Francisco, CA	51-200	167	95
18	Arize AI	San Francisco, CA	51-200	157	108
19	Hebbia	San Francisco, CA	51-200	154	104
20	Fluidstack	San Francisco, CA	51-200	141	104
21	MERGE	San Francisco, CA	51-200	126	83
22	AZUMO	San Francisco, CA	201-500	122	15
23	Voltage Park	San Francisco, CA	51-200	91	71
24	smartcat.io	San Francisco, CA	51-200	84	55
25	Runpod	San Francisco, CA	51-200	81	43

Showing 25 of 326 AI platform providers based in San Francisco, United States

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

As of Aug 28, 2026

1-10Median size (employees)

San FranciscoLargest hub · 326 HQs

4,888Contacts with mobile numbers

51Emails re-verified in last 30 days

Companies by employee count

1-10

172

11-50

102

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

AI platform providers by metro in the United States

Metro	Companies
AI platform providers in San Francisco	326
AI platform providers in New York	270
AI platform providers in Austin	143
AI platform providers in Los Angeles	95
AI platform providers in Chicago	94
AI platform providers in Miami	91
AI platform providers in Dallas	75

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “AI platform providers”, with match quality audited by blind human judging, and headquartered in San Francisco, United States.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Contact records re-verify on a rolling cadence; 51 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

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

There are 326 AI platform providers headquartered in San Francisco, United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Scale AI, headquartered in San Francisco, tops this list with the largest team on record.

Which city has the most AI platform providers?

San Francisco leads with 326 headquartered companies, followed by New York (270) and Austin (143).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 8,003 verified decision-maker contacts tracked across these 326 companies.

How current is this list?

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

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.