Company lists · Data verified August 2026

Top 21 Artificial intelligence quality companies based in San Francisco, United States

Name: Artificial intelligence quality companies 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 62 companies tracked

There are 62 artificial intelligence quality companies headquartered in San Francisco, United States (RevenueBase, August 2026). RevenueBase tracks 931 professional contacts across them, including 204 with verified work emails and 134 with mobile numbers. San Francisco is the largest hub.

This list covers artificial intelligence quality companies 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.

62Companies

931Contacts tracked

204Verified emails

134Mobile numbers

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The 21 largest artificial intelligence quality companies based in San Francisco, United States

Ranked by team size

Top 21 of 62 artificial intelligence quality companies 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	Rainforest QA	San Francisco, CA	11-50	122	4
2	Autify	San Francisco, CA	51-200	98	38
3	UNITQ	San Francisco, CA	51-200	65	39
4	Fractional AI	San Francisco, CA	51-200	49	18
5	R&d Center Winstars.ai	San Francisco, CA	51-200	42	10
6	It-Jim	San Francisco, CA	11-50	33	17
7	Fedrus Global	San Francisco, CA	51-200	29	3
8	checksum.ai	San Francisco, CA	11-50	27	15
9	Dhuni Software	San Francisco, CA	11-50	25	13
10	Primeqa Solutions	San Francisco, CA	51-200	23	8
11	Solidroad	San Francisco, CA	11-50	15	13
12	COVAL	San Francisco	11-50	15	8
13	heal.dev	San Francisco, CA	1-10	9	4
14	Sowfin	San Francisco, CA	1-10	8	1
15	Isoform	San Francisco, CA	11-50	6	2
16	Confident AI YC W25	San Francisco, CA	11-50	6	2
17	Shelpuk AI Technology Consulting	San Francisco	11-50	5	2
18	Marketrix AI	San Francisco, CA	1-10	5	2
19	ARKOZ	San Francisco, CA	11-50	4	3
20	All-In Consulting	San Francisco, CA	11-50	2	1
21	Bytesalt	San Francisco, CA	1-10	1	1

Showing 21 of 62 artificial intelligence quality companies based in San Francisco, United States

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Artificial intelligence quality companies based in San Francisco, United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

San FranciscoLargest hub · 34 HQs

134Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Artificial intelligence quality companies by metro in the United States

Metro	Companies
Artificial intelligence quality companies in San Francisco	34
Artificial intelligence quality companies in New York	18
Artificial intelligence quality companies in Austin	14
Artificial intelligence quality companies in Atlanta	9
Artificial intelligence quality companies in Dover	9
Artificial intelligence quality companies in San Diego	7
Artificial intelligence quality companies in Wilmington	7

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 “artificial intelligence quality companies”, 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; 0 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 artificial intelligence quality companies are there based in San Francisco, United States?

There are 62 artificial intelligence quality companies headquartered in San Francisco, United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Rainforest QA, headquartered in San Francisco, tops this list with the largest team on record.

Which city has the most artificial intelligence quality companies?

San Francisco leads with 34 headquartered companies, followed by New York (18) and Austin (14).

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 204 verified decision-maker contacts tracked across these 62 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.