Company lists · Data verified August 2026

Top 25 Cybersecurity defense contractors based in Israel

Name: Cybersecurity defense contractors based in Israel
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 213 companies tracked

There are 213 cybersecurity defense contractors headquartered in Israel (RevenueBase, August 2026). RevenueBase tracks 3,437 professional contacts across them, including 1,427 with verified work emails and 262 with mobile numbers. Tel Aviv is the largest hub.

This list covers cybersecurity defense contractors headquartered in Israel, 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.

213Companies

3,437Contacts tracked

1,427Verified emails

262Mobile numbers

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The 25 largest cybersecurity defense contractors based in Israel

Ranked by team size

Top 25 of 213 cybersecurity defense contractors based in Israel, 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	Cybereason, A Levelblue Company	Tel Aviv	1,001-5,000	576	377
2	Sygnia	Tel Aviv	201-500	249	80
3	Kayhut	n/a	201-500	185	99
4	Matrix 2bsecure	Tel Aviv	51-200	181	85
5	High SEC Labs	Or Akiva	201-500	111	66
6	GENIE	Givat Shmuel	201-500	77	31
7	Intezer	Tel Aviv	51-200	71	37
8	stream.security	Tel Aviv	51-200	69	30
9	Bulwarx	Raanana	51-200	68	35
10	Oasis Communication Technologies	Shoham	51-200	66	42
11	Integrity Cyber Consulting	Tel Aviv	51-200	64	4
12	Intensity Global Group	Netanya	51-200	49	24
13	Qmasters Cyber Security Services	Tel Aviv	11-50	45	31
14	Cybercom	Holon	51-200	42	29
15	CWG	Tel Aviv Israel	11-50	38	16
16	Codsec	Ramat Gan	11-50	37	16
17	Kazuar Technologies	Ramat Gan Israel	51-200	35	9
18	Spider Solutions	n/a	51-200	33	24
19	Madsec	Tel Aviv	11-50	33	20
20	CYFOX	n/a	11-50	31	15
21	10secure	n/a	11-50	27	19
22	Cyberteam360	n/a	11-50	25	20
23	Sophtix Security	Givat Shmuel	11-50	24	12
24	Rockwell Automation Israel Cyber Organization	Holon Israel	51-200	23	7
25	CRG Engineering LTD	Ramat Gan	51-200	22	2

Showing 25 of 213 cybersecurity defense contractors based in Israel

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 1,427 reachable decision-makers.

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Cybersecurity defense contractors based in Israel at a glance

As of Aug 28, 2026

11-50Median size (employees)

Tel AvivLargest hub · 57 HQs

262Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

5,001-10,000

10001+

Cybersecurity defense contractors by metro

Metro	Companies
Cybersecurity defense contractors in Tel Aviv	57
Cybersecurity defense contractors in Ramat Gan	7
Cybersecurity defense contractors in Holon	6
Cybersecurity defense contractors in Jerusalem	6
Cybersecurity defense contractors in Petah Tikva	6
Cybersecurity defense contractors in Israel	6
Cybersecurity defense contractors in Herzliya	5

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 “cybersecurity defense contractors”, with match quality audited by blind human judging, and headquartered in Israel.
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 cybersecurity defense contractors are there based in Israel?

There are 213 cybersecurity defense contractors headquartered in Israel as of August 2026 (RevenueBase).

What is the largest company on this list?

Cybereason, A Levelblue Company, headquartered in Tel Aviv, tops this list with the largest team on record.

Which city has the most cybersecurity defense contractors?

Tel Aviv leads with 57 headquartered companies, followed by Ramat Gan (7) and Holon (6).

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 1,427 verified decision-maker contacts tracked across these 213 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.