Company lists · Data verified August 2026

Top 25 Automotive cybersecurity companies based in the United States

Name: Automotive cybersecurity companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 69 companies tracked

There are 69 automotive cybersecurity companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 1,409 professional contacts across them, including 471 with verified work emails and 463 with mobile numbers. San Jose is the largest hub.

This list covers automotive cybersecurity companies headquartered in the 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.

69Companies

1,409Contacts tracked

471Verified emails

463Mobile numbers

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The 25 largest automotive cybersecurity companies based in the United States

Ranked by team size

Top 25 of 69 automotive cybersecurity companies based in the 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	horizon3.ai	Durham, NC	201-500	356	246
2	LHP Engineering Solutions	Pontiac, MI	501-1,000	209	55
3	Autocrypt	San Jose, CA	201-500	161	13
4	Securethings	Sunnyvale, CA	11-50	63	2
5	Palmchip	San Diego, CA	51-200	40	2
6	Star Lab, A Wind River Company	Washington, DC	11-50	35	5
7	Device Authority	Fremont, CA	11-50	32	18
8	Runsafe Security INC	Huntsville, AL	11-50	31	16
9	Perfecta	Phoenix, AZ	51-200	29	7
10	Auto-Isac	Washington, DC	1-10	28	13
11	Block Harbor Cybersecurity	Detroit, MI	11-50	22	12
12	Certus Cybersecurity	Redwood City, CA	11-50	20	11
13	Mantis Security Corporation	Alexandria, VA	11-50	20	7
14	Ncyber	Columbia, MD	51-200	19	6
15	Trovetechs INC	Hillsborough, NJ	11-50	15	1
16	Scalarr	Wilmington, DE	51-200	13	7
17	Secured Mobility, LLC	Georgetown, TX	11-50	12	1
18	Veridify Security	San Jose, CA	11-50	11	6
19	Ampersand Solutions Group	Huntsville, AL	11-50	8	7
20	BG Networks	Weston, MA	11-50	8	7
21	Perseus Information Security Consulting	Tampa, FL	1-10	8	7
22	Upsight Security INC	Beaverton, OR	1-10	8	6
23	Dellfer, INC	Novato, CA	11-50	6	2
24	Sekyurity AI	Washington D.C., VA	1-10	5	1
25	Kutoa Technologies	Frederick, MD	1-10	4	3

Showing 25 of 69 automotive cybersecurity companies based in the United States

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Automotive cybersecurity companies based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

San JoseLargest hub · 5 HQs

463Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Automotive cybersecurity companies by metro

Metro	Companies
Automotive cybersecurity companies in San Jose	5
Automotive cybersecurity companies in Washington	4
Automotive cybersecurity companies in Seattle	3
Automotive cybersecurity companies in San Francisco	3
Automotive cybersecurity companies in Detroit	2
Automotive cybersecurity companies in Huntsville	2
Automotive cybersecurity companies in Sunnyvale	2
Automotive cybersecurity companies in Wilmington	2

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 “automotive cybersecurity companies”, with match quality audited by blind human judging, and headquartered in the 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; 1 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 automotive cybersecurity companies are there based in the United States?

There are 69 automotive cybersecurity companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

horizon3.ai, headquartered in Durham, tops this list with the largest team on record.

Which city has the most automotive cybersecurity companies?

San Jose leads with 5 headquartered companies, followed by Washington (4) and Seattle (3).

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 471 verified decision-maker contacts tracked across these 69 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.