Company lists · Data verified August 2026

Top 25 Aerospace cybersecurity companies based in the United States

Name: Aerospace 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 446 companies tracked

There are 446 aerospace cybersecurity companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 13,740 professional contacts across them, including 3,454 with verified work emails and 5,831 with mobile numbers. Washington is the largest hub.

This list covers aerospace 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.

446Companies

13,740Contacts tracked

3,454Verified emails

5,831Mobile numbers

Unlock all 446 companies Free account · no credit card · 2 minutes

The 25 largest aerospace cybersecurity companies based in the United States

Ranked by team size

Top 25 of 446 aerospace 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	Sierra Nevada Corporation	Sparks, NV	1,001-5,000	4,442	81
2	Fortra	Eden Prairie, MN	1,001-5,000	1,640	1,037
3	Telos Corporation	Las Vegas, NV	501-1,000	636	230
4	Securityhq	New York, NY	501-1,000	492	279
5	United Security, Inc. USI	Boston, MA	1,001-5,000	409	72
6	System High Corporation	Chantilly, VA	501-1,000	369	177
7	US Claro	Miramar, FL	201-500	344	141
8	VMD Corp	Sacramento, CA	501-1,000	251	6
9	Fortress Information Security	Orlando, FL	201-500	231	172
10	Tsunami Tsolutions	Vandalia, OH	51-200	138	3
11	Adapt Forward	North Charleston, SC	51-200	130	36
12	Integrity Applications Incorporated	Colorado Springs, CO	1,001-5,000	124	1
13	Maveris	Martinsburg, WV	51-200	120	68
14	CNF Technologies	San Antonio, TX	51-200	120	2
15	Sealing Technologies, A Parsons Company	Columbia, MD	51-200	119	1
16	Accessit Group	King Of Prussia, PA	51-200	92	57
17	Ipkeys Technologies	Annapolis Junction, MD	51-200	89	5
18	Silveredge Government Solutions	Columbia, MD	201-500	88	69
19	Ipsecure, INC	San Antonio, TX	51-200	80	39
20	Vertek Corporation	Burlington, VT	51-200	76	49
21	Inversion6	Westlake, OH	51-200	75	28
22	A3t Agil3 Technology Solutions	Falls Church, VA	51-200	71	10
23	JFL Consulting, LLC	Edgewater, MD	51-200	66	39
24	Bastille	San Francisco, CA	51-200	66	14
25	Delviom, LLC	Ashburn, VA	51-200	64	19

Showing 25 of 446 aerospace cybersecurity companies based in the United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 3,454 reachable decision-makers.

Free account · no credit card

See all 446 companies

Aerospace cybersecurity companies based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

WashingtonLargest hub · 14 HQs

5,831Contacts with mobile numbers

22Emails re-verified in last 30 days

Companies by employee count

1-10

211

11-50

159

51-200

201-500

501-1,000

1,001-5,000

Aerospace cybersecurity companies by metro

Metro	Companies
Aerospace cybersecurity companies in Washington	14
Aerospace cybersecurity companies in Dallas	9
Aerospace cybersecurity companies in New York	9
Aerospace cybersecurity companies in Los Angeles	9
Aerospace cybersecurity companies in Columbia	8
Aerospace cybersecurity companies in Huntsville	8
Aerospace cybersecurity companies in Phoenix	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 “aerospace 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; 22 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 aerospace cybersecurity companies are there based in the United States?

There are 446 aerospace cybersecurity companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Sierra Nevada Corporation, headquartered in Sparks, tops this list with the largest team on record.

Which city has the most aerospace cybersecurity companies?

Washington leads with 14 headquartered companies, followed by Dallas (9) and New York (9).

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 3,454 verified decision-maker contacts tracked across these 446 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.

Ready to reach these companies? Verified emails and direct dials for all 446 aerospace cybersecurity companies based in the United States. Start with a free account, no credit card.

Get the full list

Related lists

Aerospace cybersecurity companies by geography

Browse the directory

Browse: Companies home · All United States lists · All Aerospace cybersecurity companies lists · New lists

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.