Company lists · Data refreshed September 2026
Top 23 Critical infrastructure defense based in Hyderabad, India
RevenueBase identified 115 critical infrastructure defense headquartered in Hyderabad, India as of September 2026 and tracks 1,120 professional contacts across them, including 113 with verified work emails. New Delhi is the largest hub.
This list covers critical infrastructure defense headquartered in Hyderabad, India, 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 16, 2026.
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 23 largest critical infrastructure defense based in Hyderabad, India
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 108 contacts → | ||||
Indirect evidence “Agile Group is ranked as the best amongst the most trusted service providers.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 45 contacts → | ||||
Indirect evidence “VSigma IT Labs primary focus is on providing specialized Cyber Security Services and AI Analytics Services, Security Analytics, IoT, Cloud, Data Science to our esteemed clients…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 39 contacts → | ||||
Indirect evidence “Kinich IT Labs® (Kinich®)is a new age innovative IT services company, providing end-to-end design, development, testing and support activities.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 39 contacts → | ||||
Strong evidence “Our passion is to improve Resilience of Critical Infrastructure with minimal impact on productivity to provide Zero-Data-loss, Zero-Downtime and Zero-Trust Security.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 37 contacts → | ||||
Indirect evidence “ESF Labs, established in 2014, is a leading provider of digital forensics and cybersecurity services, specializing in helping organizations navigate the complex and rapidly…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 28 contacts → | ||||
Indirect evidence “Next Generation Simple Solutions Private Limited We “NGSS (Next Generation Simple Solutions Private Limited) ” are a leading Gold partner and distributor of a wide range of…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 27 contacts → | ||||
Indirect evidence “RHYM Technologies LLP provides end-to-end Cybersecurity services with our AI driven Threat Intelligence platform, RHYMIntellect™.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 21 contacts → | ||||
Indirect evidence “Hala Infosec is a fast-growing cyber security firm committed to delivering quality-driven, outcome-focused security services.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 18 contacts → | ||||
Indirect evidence “At SHI | Cymune (An SHI Company), we bridge the visible and the invisible Cyber Security gaps for the businesses that aspire to be Digital with an uncompromising approach to…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 17 contacts → | ||||
Indirect evidence “VATINS Systems is a Next-Gen Cyber Investigations & Cyber Security expert.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 16 contacts → | ||||
Indirect evidence “SecurWeave is a cutting-edge cybersecurity company headquartered in Hyderabad, India, with a mission to address the security and safety needs of the rapidly evolving digital world.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 16 contacts → | ||||
Indirect evidence “Cyber Command: Your Trusted MSSP for comprehensive Cybersecurity solutions In the digital age, cybersecurity is paramount.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 15 contacts → | ||||
Indirect evidence “fnCyber got incepted with the sole purpose to uncover vulnerabilities in any business system at the functional level combining the expertise in business continuity, cybersecurity…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 14 contacts → | ||||
Indirect evidence “Totem International is a global company established in 2009, with a vast pool of professionals from diverse industry background having strength in consulting integrated physical…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 11 contacts → | ||||
Indirect evidence “Welcome to Crystalline, where cybersecurity meets excellence!” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 9 contacts → | ||||
Indirect evidence “CynorSense is a unique player in security assessments and risk analysis.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 6 contacts → | ||||
Indirect evidence “Cyber Hat Solutions Private Limited, is a leading company in the India that specializes in information security services.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 5 contacts → | ||||
Partial evidence “Hackrew is a cyber security firm relentlessly pursuing to make an organisation's data and online infrastructure secure.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 4 contacts → | ||||
Indirect evidence “Trinay has been helping organizations to gain 360 degree visibility over the security gaps and we are happy to extend our services to your esteemed organization.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 4 contacts → | ||||
Indirect evidence “SYSOWL is an IT Services & Cybersecurity Solutions company offering the best of breed Managed Security Services!” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 3 contacts → | ||||
Indirect evidence “Syberbrigade is a cyber security firm, with a focus on Penetration Testing, Architecture Review, Risk & Compliance, and Managed Security Services.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 contacts → | ||||
Partial evidence “Security Services are complex and hard to define and manage for SME’s.In the plethora of tools, its hard for a customer to define what is needed for their specific infrastructure.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2 contacts → | ||||
Indirect evidence “T Security Solutions#Antivirus# Endpoint Security#ata Management Solutions# Backup#Virtualization Solutions#Data Center Solutions#IT Software Solutions#IT Hardware#Consulting…” Source: RevenueBase Database · checked Sep 16, 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: critical infrastructure defense. 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 critical infrastructure defense.
- Partial evidence
- Its own public description names part of critical infrastructure defense, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name critical infrastructure defense. 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 23 of 115 critical infrastructure defense based in Hyderabad, India
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Critical infrastructure defense based in Hyderabad, India at a glance
As of Sep 16, 2026Companies by employee count
Email recency for this list is measured across the whole India list rather than for Hyderabad, so it is reported there. Company counts and contact totals on this page are exact for Hyderabad, over 115 companies.
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 critical infrastructure defense, 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.
- What qualifies
- Companies headquartered in Hyderabad, India whose own description of what they do matches “critical infrastructure defense”. 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 critical infrastructure defense), 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 critical infrastructure defense, and records with no verified work email. Companies headquartered outside Hyderabad are excluded even when they keep an office there.
- 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, 113 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 16, 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.
Critical infrastructure defense by metro in India
- Critical infrastructure defense in New Delhi124
- Critical infrastructure defense in Pune117
- Critical infrastructure defense in Hyderabad115
- Critical infrastructure defense in Mumbai113
- Critical infrastructure defense in Bangalore110
- Critical infrastructure defense in Chennai88
- Critical infrastructure defense in Ahmedabad78
- Critical infrastructure defense in Bengaluru76
- Critical infrastructure defense in Noida73
- Critical infrastructure defense in Gurgaon47
- Critical infrastructure defense in Delhi46
- Critical infrastructure defense in Gurugram31
- Critical infrastructure defense in Kolkata31
- Critical infrastructure defense in Jaipur30
- Critical infrastructure defense in Navi Mumbai29
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 critical infrastructure defense, 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 critical infrastructure defense are there based in Hyderabad, India?
RevenueBase identified 115 critical infrastructure defense headquartered in Hyderabad, India 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?
Agile Security Force Pvt. LTD, headquartered in Hyderabad, tops this list with the largest team on record.
Which city has the most critical infrastructure defense?
New Delhi leads with 124 headquartered companies, followed by Pune (117) and Hyderabad (115).
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 113 verified decision-maker contacts tracked across these 115 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 16, 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.
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