Company lists · Data verified August 2026

Top 25 Artificial intelligence reasoning companies based in San Francisco, United States

Name: Artificial intelligence reasoning 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 58 companies tracked

There are 58 artificial intelligence reasoning companies headquartered in San Francisco, United States (RevenueBase, August 2026). RevenueBase tracks 1,035 professional contacts across them, including 398 with verified work emails and 193 with mobile numbers. New York is the largest hub.

This list covers artificial intelligence reasoning 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.

58Companies

1,035Contacts tracked

398Verified emails

193Mobile numbers

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The 25 largest artificial intelligence reasoning companies based in San Francisco, United States

Ranked by team size

Top 25 of 58 artificial intelligence reasoning 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	gooddata.ai	San Francisco, CA	201-500	275	149
2	Hebbia	San Francisco, CA	51-200	154	104
3	Theagentic	San Francisco, CA	51-200	54	30
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	Turium AI	San Francisco, CA	51-200	24	9
8	Cynch AI	San Francisco, CA	11-50	23	10
9	Kiso Technology	San Francisco, CA	11-50	22	18
10	traversaal.ai	San Francisco, CA	1-10	20	9
11	Consilient Labs INC	San Francisco, CA	11-50	12	2
12	Enegma	San Francisco, CA	1-10	11	2
13	Sapient Intelligence	San Francisco	11-50	10	3
14	Proprise YC S23	San Francisco, CA	1-10	9	4
15	Ruvivo	San Francisco, CA	201-500	8	1
16	Sowfin	San Francisco, CA	1-10	8	1
17	Trissino	San Francisco, CA	1-10	7	2
18	Erisai	San Francisco, CA	1-10	7	1
19	Khoj YC S23	San Francisco, CA	1-10	3	2
20	Gradient	San Francisco	11-50	3	1
21	Hyperbloom	San Francisco, CA	11-50	3	1
22	COBI	San Francisco, CA	1-10	3	1
23	Turingeval	San Francisco, CA	1-10	2	1
24	Octagon	San Francisco	1-10	2	1
25	LOOM	San Francisco, CA	11-50	1	1

Showing 25 of 58 artificial intelligence reasoning companies based in San Francisco, United States

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

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 75 HQs

193Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Artificial intelligence reasoning companies by metro in the United States

Metro	Companies
Artificial intelligence reasoning companies in New York	75
Artificial intelligence reasoning companies in San Francisco	72
Artificial intelligence reasoning companies in Austin	40
Artificial intelligence reasoning companies in Los Angeles	30
Artificial intelligence reasoning companies in Boston	21
Artificial intelligence reasoning companies in Miami	21
Artificial intelligence reasoning companies in Chicago	16

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 reasoning 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; 3 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 reasoning companies are there based in San Francisco, United States?

There are 58 artificial intelligence reasoning companies headquartered in San Francisco, United States as of August 2026 (RevenueBase).

What is the largest company on this list?

gooddata.ai, headquartered in San Francisco, tops this list with the largest team on record.

Which city has the most artificial intelligence reasoning companies?

New York leads with 75 headquartered companies, followed by San Francisco (72) and Austin (40).

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 398 verified decision-maker contacts tracked across these 58 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.