Company lists · Data refreshed September 2026

Top 25 Communications security contractors worldwide

RevenueBase identified 2,038 company matches for communications security contractors worldwide as of September 2026 and tracks 26,675 professional contacts across them, including 5,062 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for communications security contractors worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 27, 2026. Country and city lists for communications security contractors follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 27, 2026 How this list was built
2,038Companies
26,675Contacts tracked
5,062Verified emails
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The 25 largest communications security contractors worldwide

Ranked by team size
Top 25 of 2,038 company matches for communications security contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAl Nakheel, Saudi ArabiaHQ recorded Sep 27, 2026501-1,0001,378 contacts →

Exact match

“We are established for enriching local content in designing, developing, and operating secure digital computing environments through Saudi talents, by fulfilling our role as a…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchCiudad De Mexico, MexicoHQ recorded Sep 27, 20261,001-5,0001,041 contacts →

Exact match

“A lo largo de 30 años, hemos incursionado y evolucionado en distintas áreas atendiendo en el continente americano a clientes privados, corporativos y sector gobierno.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202610001+571 contacts →

Exact match

“Allied Universal Enhanced Protection Services delivers unrivaled threat mitigation expertise for government and business entities worldwide.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchMiami, FL, United StatesHQ recorded Sep 27, 20261,001-5,000553 contacts →

Exact match

“Security Alliance is a highly experienced provider of security solutions for private and business environments.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchRed Bank, NJ, United StatesHQ recorded Sep 27, 20261,001-5,000416 contacts →

Exact match

“United Security Inc.(USI) provides personalized security solutions enhanced by advanced technology and cyber services.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchRockville, MD, United StatesHQ recorded Sep 27, 2026201-500296 contacts →

Exact match

“Founded in 2003, FEDITC, LLC is an ISO and CMMI level 3 certified cyber security, IT, and engineering services firm.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchNew Maadi, EgyptHQ recorded Sep 27, 20261,001-5,000254 contacts →

Exact match

“HOI-MEA is presently capable of undertaking a telecommunication projects on a Turnkey Basis (including supply and installation material) for the following technologies (GSM, CDMA…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchEdmond, OK, United StatesHQ recorded Sep 27, 202651-200250 contacts →

Exact match

“Orion Security Systems (OSS) provides elite technical, physical, and cyber security solutions for customers with simple to complex needs.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchUnited StatesHQ recorded Sep 27, 2026501-1,000249 contacts →

Exact match

“KATIM is a leader in the development of innovative secure communication products and solutions for governments and businesses.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchBeavercreek, OH, United StatesHQ recorded Sep 27, 2026201-500234 contacts →

Exact match

“For over 20 years, Sawdey Solutions Services has provided both Government and commercial clients with innovative cross-disciplined professional services that aim not only to…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchReston, VA, United StatesHQ recorded Sep 27, 20261,001-5,000204 contacts →

Exact match

“MindPoint Group, a Quantum Sky company, is a cybersecurity specialist trusted by U.S.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchWarszawa, PolandHQ recorded Sep 27, 2026201-500191 contacts →

Exact match

“Enigma Systemy Ochrony Informacji (Enigma Information Security Systems) was founded in 1993 on the initiative of workers and graduates of Warsaw University of Technology…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchCuritiba, BrazilHQ recorded Sep 27, 202651-200180 contacts →

Exact match

“A Abix é especializada em aluguel, venda e projeto de sistemas de radiocomunicação, monitoramento por câmeras de segurança (CFTV) e transmissão de dados sem fio.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchRehovot, IsraelHQ recorded Sep 27, 202651-200167 contacts →

Exact match

“Citadel is an Information Security Consulting company.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchTehran, IranHQ recorded Sep 27, 202651-200161 contacts →

Exact match

“PayamPardaz Communication Engineering Company was established in 1996 with the aim of providing professional services in field of information and communication security.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchOklahoma City, OK, United StatesHQ recorded Sep 27, 202651-200161 contacts →

Exact match

“Established in 1995, Long Wave Inc.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchMclean, VA, United StatesHQ recorded Sep 27, 202651-200152 contacts →

Exact match

“NDi is a Verified Service-Disabled Veteran Owned Small Business [SDVOSB] professional services firm, supporting Federal and Commercial customers since 1995.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchKingsport, TN, United StatesHQ recorded Sep 27, 202651-200152 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchSlidell, LA, United StatesHQ recorded Sep 27, 202651-200151 contacts →

Exact match

“In-Telecom offers a full spectrum of solutions such as VoIP phones, access control, unparalleled customer service, IT consulting, and quality workmanship from our experienced…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchEspanola, NM, United StatesHQ recorded Sep 27, 2026201-500151 contacts →

Exact match

“Coastal International Security provides strategic planning and security services to high-impact government agencies such as the Department of State, Homeland Security and Defense…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchPlymouth, MI, United StatesHQ recorded Sep 27, 2026201-500150 contacts →

Exact match

“Our vision is to build a turnkey communications contractor that is second to none in product quality, customer service, and delivering your project to the marketplace.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchPeachtree Corners, GA, United StatesHQ recorded Sep 27, 2026201-500146 contacts →

Exact match

“Founded in GC & E Systems Group, LLC (GC & E), headquartered in Peachtree Corners, GA with a major office located in Tampa, FL, is a wholly-owned subsidiary of Bristol Bay Native…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchBedford, NS, CanadaHQ recorded Sep 27, 2026201-500144 contacts →

Exact match

“VistaCare was established in greater Halifax in 2003 to solve technology challenges for today's businesses and organizations.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchSan Antonio, TX, United StatesHQ recorded Sep 27, 202651-200134 contacts →

Exact match

“Silotech Group emerged in 2008, as a valued leader in the consulting space, with over 50 years of accumulative expertise in Advanced Cyber Technologies, Systems Engineering…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchMontréal, QC, CanadaHQ recorded Sep 27, 2026501-1,000132 contacts →

Exact match

“SC360 Our telecommunications company offers a perfect blend of technical skills and a deep understanding of the telecommunications industry.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 2,038 communications security contractors worldwide

See the full list, filter by size, metro and specialty, and access 5,062 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Communications security contractors worldwide at a glance

As of Sep 27, 2026
19.0%Verified-email coverage
13.1Average contacts per company
1-10Median size (employees)
1.2%Largest-city concentration · London
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
1,030
11-50
685
51-200
230
201-500
51
501-1,000
17
1,001-5,000
13
5,001-10,000
1
10001+
2

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for communications security contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “communications security contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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
Every displayed company carries at least one verified work email. RevenueBase tracks 5,062 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 27, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Communications security contractors by location

9 lists · largest first

Every Communications security contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “communications security contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many communications security contractors are there worldwide?

RevenueBase identified 2,038 company matches for communications security contractors worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Site سايت tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most communications security contractors?

The United States leads with 709 companies, followed by the United Kingdom (89) and Brazil (85). Every communications security contractors list by country and city is linked on this page.

Which city has the most communications security contractors?

London leads with 24 company records, followed by Washington (23) and Sao Paulo (18).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 5,062 professional contacts with verified work emails tracked across these 2,038 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.