F5 Advanced Firewall Manager - Stop even the most massive and complex DDoS attacks with BIG-IP Advanced Firewall Manager: advanced data center protection against layer 3–4 threats.
pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
SRX firewalls - Protect your small branch office, midsize enterprise, large data center, or cloud applications with Juniper next-generation firewalls and virtual firewalls.
Hillstone E-Series Next-Generation Firewalls - Hillstone Computing is a leading high-performance network security solution.
FireMon - FireMon Security Intelligence Platform delivers continuous visibility into and control over firewall infrastructure.
Palo Alto Next-Generation Firewall - Palo Alto Networks next-generation firewalls are architected to safely enable applications and prevent modern threats.