Firewall vendors
We list 32 companies active in firewalls, and 17 of them have it as their main focus. 5 are public, 8 are owned by another company and 19 are private. Most are based in the United States (16) and Israel (4). The oldest, Teldat, was founded in 1985. By revenue from annual reports, the largest company here is Palo Alto Networks ($11.5bn in FY2026).
By countryUnited States 16
Companies focused on firewalls
17 companies| Company | Based in | Founded | Size | Ownership | Revenue |
|---|---|---|---|---|---|
Palo Alto Networks Palo Alto Networks provides cybersecurity platforms and services to protect organizations from cyber threats. | Santa Clara, United States | 2005 | 13,900 staff | Public, PANW | $11.5bn (FY2026) |
Fortinet Fortinet provides cybersecurity solutions and services, including networking and security convergence, for enterprises and governments. | Sunnyvale, United States | 2000 | 15,109 staff | Public, FTNT | $6.8bn (FY2025) |
Check Point Check Point Software provides cyber security solutions including network, cloud, and AI security. | Tel Aviv, Israel | 1993 | Public, CHKP | $2.7bn (FY2025) | |
Clavister Clavister is a Swedish cybersecurity company that develops, tests and supports all its technology in Sweden. | Örnsköldsvik, Sweden | 1997 | Public, CLAV | ||
E Everfox Everfox provides cybersecurity solutions for cross domain, threat protection, and insider risk management. | Herndon, United States | Private | |||
genua GmbH genua GmbH is a German IT security company that protects critical and highly sensitive digital infrastructures. | Kirchheim bei München, Germany | 1992 | Owned by Bundesdruckerei | ||
Hillstone Networks Hillstone Networks provides cyber security products including firewalls, threat detection and cloud workload protection. | Santa Clara, United States | Private | |||
J Juniper Networks Juniper Networks is now part of HPE. | San Mateo, United States | 2000 | Owned by Hewlett Packard Enterprise | ||
Netgate Netgate provides open source firewall and network security software and hardware appliances. | Austin, United States | 2004 | Private | ||
PONA Technology PONA Teknoloji manufactures firewalls, VPNs and endpoint security products for corporate networks. | Turkey | Private | |||
SkyCloud SkyCloud provides software for managing and automating firewall security policies across multiple vendors. | Shenzhen, China | Private | |||
SonicWall SonicWall provides unified cybersecurity for SMBs, MSPs, and IT teams. | Milpitas, United States | 1991 | Owned by Francisco Partners and Elliott Investment Management | ||
Stormshield Stormshield provides cybersecurity solutions for networks, endpoints, data, and industrial environments. | Issy-les-Moulineaux, France | Private | |||
WatchGuard WatchGuard provides unified cybersecurity solutions for networks, endpoints, identities, and cloud environments. | Seattle, United States | 1996 | Owned by Vector Capital | ||
Zyxel Networks Next generation firewalls and security routers for small and midsize businesses, alongside switches, wireless access points, Nebula cloud management and broadband access equipment. | Hsinchu, Taiwan | Private | |||
Huawei Network security products including firewalls, unified SASE and HiSec Endpoint security, alongside Huawei's enterprise networking and telecommunications equipment. | Shenzhen, China | Private | |||
Sangfor Technologies Next generation firewalls, endpoint protection, secure web gateway, NDR, SASE and managed detection and response, plus hyperconverged infrastructure and virtual desktop products. | Shenzhen, China | Private |
Also active in firewalls
15 companies| Company | Based in | Founded | Size | Ownership | Revenue |
|---|---|---|---|---|---|
A10 Networks A10 Networks provides secure, high-performance networking solutions for applications and AI workloads. | San Jose, United States | 2004 | Public, ATEN | $290.6m (FY2025) | |
Sophos Sophos provides cybersecurity products and managed detection and response services to organisations worldwide. | Atlanta, United States | 1999 | 500+ staff | Owned by Thoma Bravo | |
iboss iboss provides security for AI, data, and applications through a unified SASE platform. | Boston, United States | 2003 | 375 staff | Private | |
AT&T Cybersecurity AT&T Cybersecurity provides network security services to businesses of all sizes. | San Mateo, United States | 2007 | Owned by WillJam Ventures | ||
Barracuda Networks Barracuda Networks provides cybersecurity solutions for email, networks, applications, and data. | Campbell, United States | 2003 | Owned by KKR | ||
Cato Networks Cato Networks provides a SASE platform that secures enterprise, cloud and AI interactions. | Tel Aviv, Israel | 2015 | Private | ||
Forcepoint Forcepoint provides data security software that controls how AI applications and agents access sensitive information. | Austin, United States | 1994 | Owned by Francisco Partners | ||
Red Piranha Red Piranha provides cybersecurity technology that consolidates protection, detection, and response across cloud, on-prem, and endpoints. | Australia | Private | |||
SecureNET Systems SecureNET Systems provides IT outsourcing and cybersecurity services to small and medium businesses in Bucharest and Ilfov. | Romania | 2025 | Private | ||
Teldat Teldat sells networking and security equipment and software. | Madrid, Spain | 1985 | Private | ||
TXOne Networks TXOne Networks provides operations-first cybersecurity for industrial operational technology environments. | Taipei, Taiwan | Private | |||
Versa Networks Versa Networks provides secure access service edge (SASE) solutions that combine networking and security. | Santa Clara, United States | 2012 | Private | ||
Waterfall Security Solutions Waterfall Security provides hardware-enforced OT security solutions for critical infrastructure and industrial systems. | Rosh HaAyin, Israel | 2007 | Private | ||
Zero Networks Zero Networks provides automated microsegmentation and zero trust security to stop lateral movement and contain attacks. | Tel Aviv, Israel | Private | |||
HPE Security service edge combining ZTNA, secure web gateway, CASB and firewall as a service, alongside HPE servers, storage, networking and hybrid cloud. | Houston, United States | Private |
Recent deals in firewalls
All firewalls dealsAcquisitions come from SecurityWeek's monthly M&A round-ups from 2021 onwards, from Cybersecurity Ventures' quarterly M&A reports for 2020, and a few from Wikipedia lists. These are dated to the month. A few deals added from the news are dated to the day. Smaller deals may be missing. Amounts are in US dollars.
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