Company lists · Data refreshed September 2026
Top 25 Signal intelligence equipment companies worldwide
RevenueBase identified 285 signal intelligence equipment companies worldwide as of September 2026 and tracks 15,605 professional contacts across them, including 1,628 with verified work emails. The United States is the largest market and Ankara the largest hub.
This list covers signal intelligence equipment companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 22, 2026. Country and city lists for signal intelligence equipment companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest signal intelligence equipment companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,157 contacts → | ||||
Partial evidence “Mercury Systems – Innovation that matters® Mercury Systems is a global leader in aerospace and defense electronics, providing breakthrough capabilities in signal and data…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,917 contacts → | ||||
Indirect evidence “Scientific Research Corporation is an advanced engineering company that was founded in 1988 to provide innovative solutions to the U.S.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,782 contacts → | ||||
Indirect evidence “Founded in1967, ELTA Systems Ltd, a group and subsidiary of Israel Aerospace Industries, is one of Israel’s leading innovative defense companies and a global leader in the field…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,527 contacts → | ||||
Indirect evidence “Thales Defense & Security, Inc.(TDSI) Headquartered in Clarksburg, MD, Thales Defense & Security, Inc.(TDSI) is a U.S.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 409 contacts → | ||||
Indirect evidence “Areté, an employee-owned company, is an advanced science and engineering company that provides innovative solutions to the most challenging technical problems faced by the United…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 6 | 345 contacts → | ||||
Partial evidence “Digital Receiver Technology (DRT) designs and manufactures DSP-based receivers, communications test and measurement equipment.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 7 | 297 contacts → | ||||
Indirect evidence “Established in 2005 and currently headquartered at the Middle East Technical University (METU) Teknopark in Ankara, SDT Space & Defence Technologies (SDT) has become as a…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 8 | 278 contacts → | ||||
Strong evidence “Since 1984, Zeta Associates has been a leading provider of Signals Intelligence (SIGINT), and Special COMMs products and services, to the Intelligence Community.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 267 contacts → | ||||
Indirect evidence “EWA is a veteran-owned, small broad-based technology business providing professional services and specialized products to its customers.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 263 contacts → | ||||
Indirect evidence “Welcome to AMEWAS (American Electronic Warfare Associates), a vibrant, veteran-run small business situated in the heart of California, Maryland, just a stone's throw away from the…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 11 | 255 contacts → | ||||
Partial evidence “At Rincon Research Corporation, our core business is to design, build, test, and field digital signal processing (DSP) products and services for the United States Defense and…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 12 | 244 contacts → | ||||
Indirect evidence “EHSİM, elektronik harp sistemleri alanında faaliyet göstermek üzere 1998 yılında kurulmuştur.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 13 | 224 contacts → | ||||
Strong evidence “HawkEye 360 is equipping defense, intelligence and national security leaders with mission-critical signals intelligence to enable faster, better decision making.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 14 | 195 contacts → | ||||
Indirect evidence “For over 35 years Giga-tronics Incorporated (Nasdaq “GIGA”), has been helping solving the world‘s next generation Radar and Electronic Warfare problems.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 169 contacts → | ||||
Strong evidence “Founded by a small group of engineers in BITS grew into a leading sensor development and signal processing company for the Intelligence Community and Department of Defense.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 165 contacts → | ||||
Indirect evidence “SENTEL, a wholly owned subsidiary of Vectrus Systems Corporation was founded in 1987 as an engineering company, supporting the U.S.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 143 contacts → | ||||
Indirect evidence “ATEL Technology and Defense, established in Ankara, Turkey, in 1997, is a leader in the design, development, and manufacturing of advanced Electronic Warfare, Countermeasure and…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 18 | 142 contacts → | ||||
Indirect evidence “N/A inactive account.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 19 | 129 contacts → | ||||
Indirect evidence “ARA is a leading C5ISR company that designs, manufactures, tests and installs innovative technologies that provide the national security community with unparalleled situational…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 20 | 120 contacts → | ||||
Indirect evidence “STS Defence, a part of the Cicor Group, is a UK-based engineering and technology company specialising in mission-critical, secure communications & networks, electronic warfare &…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 21 | 104 contacts → | ||||
Indirect evidence “CRFS was acquired by Motorola Solutions in 2025.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 22 | 104 contacts → | ||||
Partial evidence “Our mission is to provide the highest quality engineering services to the Intelligence Community (IC) in support of the national defense of the United States of America.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 23 | 98 contacts → | ||||
Indirect evidence “At Expedition Technology (EXP), we’re innovating for a safer nation.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 24 | 91 contacts → | ||||
Indirect evidence “Herrick Technology Laboratories Inc.(HTL) is a leading provider of high performance, SIGINT/EW/Communications products and systems to the US Department of Defense.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 25 | 79 contacts → | ||||
Indirect evidence “Constelli is a technology startup based out of Hyderabad, India.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: signal intelligence equipment companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names signal intelligence equipment companies.
- Partial evidence
- Its own public description names part of signal intelligence equipment companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name signal intelligence equipment companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 285 signal intelligence equipment companies worldwide
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Signal intelligence equipment companies worldwide at a glance
As of Sep 22, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among signal intelligence equipment companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for signal intelligence equipment companies are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “signal intelligence equipment companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names signal intelligence equipment companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among signal intelligence equipment companies, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 1,628 across the full list. 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 22, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Signal intelligence equipment companies by location
1 lists · largest firstEvery Signal intelligence equipment companies 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 Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names signal intelligence equipment companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many signal intelligence equipment companies are there worldwide?
RevenueBase identified 285 signal intelligence equipment companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Mercury Systems, headquartered in Andover, tops this list with the largest team on record.
Which country has the most signal intelligence equipment companies?
The United States leads with 110 companies. Every signal intelligence equipment companies list by country and city is linked on this page.
Which city has the most signal intelligence equipment companies?
Ankara leads with 5 headquartered companies, followed by Herndon (5) and Fort Lauderdale (4).
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 1,628 verified decision-maker contacts tracked across these 285 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 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 Smart Search, 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.