In today’s threat-heavy digital landscape, properly configured firewalls are a critical defense layer for businesses of all sizes. Choosing the right service provider can make all the difference in safeguarding your network, ensuring compliance, and preventing costly breaches. This guide highlights the top firewall configuration companies in the USA, known for their technical expertise, reliability, and tailored security solutions.
1. A-Listware
We provide firewall configuration services tailored to companies across the USA, combining our security practice with broad software engineering experience. Our team reviews existing network architectures, designs clear firewall policies, and deploys rule sets that balance protection with performance. Working from our New Jersey office and remote security center, we integrate seamlessly with in-house IT, ensuring each policy reflects real traffic patterns and regulatory needs.
We also handle day-to-day operations once the firewall is live. This includes continuous rule tuning, patch management, and incident response coordination. By pairing automated monitoring with scheduled audits, we help clients maintain an accurate, documented rule base that scales with changing cloud and on-premises workloads.
Key Highlights:
- In-house and cloud firewall expertise
- 24/7 monitoring from a US security center
- Platform-agnostic approach covering major vendors
- Rule audit methodology aligned with compliance standards
- Option to augment internal teams or deliver a managed service
Services:
- Firewall policy design and implementation
- Rule review and hardening workshops
- Next-generation firewall deployment
- Cloud firewall configuration for AWS, Azure, and GCP
- Ongoing monitoring, patching, and log analysis
- VPN and secure remote access setup
- Network segmentation planning and documentation
Contact Information:
- Website: a-listware.com
- Email: info@a-listware.com
- Facebook: www.facebook.com/alistware
- LinkedIn: www.linkedin.com/company/a-listware
- Address: North Bergen, NJ 07047, USA
- Phone Number: +1 (888) 337 93 73
2. Fortinet
Fortinet is a leading provider of firewall configuration services in the USA, delivering secure network architecture for enterprises across finance, healthcare, government, and critical infrastructure. Their consultants configure, audit, and optimize both on-premises and cloud-based firewalls – such as FortiGate appliances – to enforce granular security policies, reduce attack surfaces, and maintain compliance with NIST, PCI DSS, and HIPAA standards.
Fortinet’s service includes rulebase cleanup, segmentation design, intrusion prevention tuning, and integration with threat intelligence feeds. They also offer automated policy enforcement through centralized management tools, allowing security teams to track, test, and deploy firewall changes with minimal disruption. With deep experience in hybrid and multi-cloud environments, Fortinet ensures that firewall configurations adapt seamlessly to evolving workloads and business needs.
Key Highlights:
- Integration with existing build pipelines
- Combination of automated and manual review techniques
- Guidance aligned with common compliance frameworks
- Ongoing collaboration with development and operations teams
- Access to current threat intelligence for context
Services:
- Static source code analysis
- Manual secure code walkthroughs
- Dependency and open source component scanning
- Remediation validation and retesting
- Secure development training sessions
- Advisory on secure coding standards and policies
Contact Information:
- Website: www.fortinet.com
- E-mail: info@fortinetfederal.com
- Facebook: www.facebook.com/fortinet
- Twitter: x.com/Fortinet
- LinkedIn: www.linkedin.com/company/fortinet
- Instagram: www.instagram.com/fortinet
- Address: 909 Kifer Road Sunnyvale, CA 94086 USA
- Phone: +1-866-868-3678
3. Juniper Networks
Juniper Networks is a top-tier firewall configuration company in the USA, offering advanced services for enterprises seeking robust network security across cloud, hybrid, and on-prem environments. Their firewall configuration services cover everything from policy design and rule optimization to segmentation, NAT setup, and threat prevention alignment. Using Juniper’s SRX Series firewalls and Junos OS, their engineers tailor configurations to meet compliance requirements like PCI DSS, HIPAA, and NIST.
Clients benefit from Juniper’s Configuration Analysis and Change Review Service, which audits firewall rulebases, identifies misconfigurations, and validates change requests to minimize operational risk. They also provide zero-trust architecture support, integrate firewalls with SIEM and identity systems, and enable secure east-west traffic control in complex infrastructures. Juniper ensures firewall policies are not only technically sound but also aligned with business goals and evolving threat landscapes.
Key Highlights:
- Combines automated static analysis with manual review
- Process aligned with Juniper Secure Development Lifecycle
- Findings delivered through existing CI/CD tooling
- Ongoing change reviews to verify remediation
- Context from threat intelligence and architecture assessments
Services:
- Static code analysis
- Manual secure code walkthroughs
- Configuration and change review support
- Remediation validation and retesting
- Compliance and architecture assessments
- Developer guidance on secure coding practices
Contact Information:
- Website: www.juniper.net
- Facebook: www.facebook.com/JuniperNetworks
- Twitter: x.com/JuniperNetworks
- LinkedIn: www.linkedin.com/company/juniper-networks
- Instagram: www.instagram.com/junipernetworks
- Address: 1133 Innovation Way Sunnyvale, California, 94089 USA
- Phone: +1 866-298-6428
4. Cisco Systems
Cisco Systems is a leading provider of firewall configuration services in the USA, delivering tailored solutions that secure enterprise, government, and cloud infrastructures. Their experts design and optimize firewall policies across Cisco’s own ASA and Firepower Next-Generation Firewalls, ensuring precise rule implementation, intrusion prevention, and application-layer controls. Whether for zero-trust architectures or hybrid environments, Cisco configures and maintains firewalls to meet regulatory and internal security standards.
Cisco’s Firewall Configuration Services include rulebase audits, segmentation design, high-availability setup, and VPN policy enforcement. Clients also benefit from the Cisco Secure Firewall Management Center, which provides centralized policy orchestration, visibility into traffic flows, and dynamic updates tied to threat intelligence from Cisco Talos. Their ongoing support covers change validation, misconfiguration resolution, and integration with identity and access systems – ensuring continuous policy alignment as networks evolve.
Key Highlights:
- Automated and manual checks in one workflow
- Reviews follow the Cisco Secure Development Lifecycle model
- Dedicated lab for customer source-code inspection
- Support for remediation tracking and retest
- Context drawn from network and cloud security teams
Services:
- Static code analysis
- Manual secure code walkthroughs
- Third-party dependency scanning
- Remediation validation and change review
- Secure development coaching sessions
- On-site source-code access at Transparency Service Center
Contact Information:
- Website: www.cisco.com
- Facebook: www.facebook.com/CiscoUKI
- Twitter: x.com/CiscoUKI
- LinkedIn: www.linkedin.com/company/cisco
- Address: 170 West Tasman Drive San Jose, California 95134
- Phone: 1 888 852 2726
5. Palo Alto Networks
Palo Alto Networks is a top-tier firewall configuration company in the USA, known for its industry-leading Next-Generation Firewalls (NGFWs) and advanced security orchestration. Their firewall configuration services include the design, deployment, and optimization of policies across both physical and virtual firewalls, with a focus on application-layer control, zero-trust enforcement, and threat prevention. Using their centralized Panorama management system, organizations can streamline rule management, apply consistent policies, and monitor network activity in real time.
In addition to initial setup, Palo Alto offers ongoing firewall tuning, rule audits, and best-practice assessments through its professional services team. Their Unit 42 threat intelligence division supports these configurations with up-to-date data on emerging threats, ensuring firewall rules are aligned with real-world risk. Whether for enterprise networks, hybrid clouds, or remote workforces, Palo Alto’s firewall configuration services ensure tight control, minimal attack surface, and compliance with industry regulations.
Key Highlights:
- U.S.-based cybersecurity company with global reach
- Offers AI-driven analysis for secure code and software infrastructure
- Unit 42 team specializes in incident response and threat intelligence
- Focuses on secure cloud, network, and application environments
- Provides managed detection and response services
Services:
- Secure code review and proactive security assessments
- Threat intelligence and incident response
- AI-powered security operations (Cortex platform)
- Application and cloud security solutions
- Managed XSIAM and detection services
- Network and endpoint protection
Contact Information:
- Website: www.paloaltonetworks.com
- E-mail: info@paloaltonetworks.com
- Facebook: www.facebook.com/PaloAltoNetworks
- Twitter: x.com/PaloAltoNtwks
- LinkedIn: www.linkedin.com/company/palo-alto-networks
- Address: 3000 Tannery Way Santa Clara, CA 95054
- Phone: +1 408 738 7799
6. SonicWall
SonicWall is a leading firewall configuration company in the USA, offering robust network security solutions backed by deep threat intelligence and a partner-driven delivery model. From their headquarters in California, they help organizations configure, optimize, and manage SonicWall firewalls to protect against evolving cyber threats. Their services include initial firewall setup, policy tuning, rulebase cleanup, and secure remote access configuration tailored to both on-premises and hybrid cloud environments.
Through their Network Security Manager (NSM) and Capture Advanced Threat Protection (ATP), SonicWall ensures firewalls are not only properly configured but also constantly updated with real-time threat data. Partner-led services provide hands-on assistance with rule verification, configuration hardening, and change validation to ensure firewall policies align with compliance standards and operational needs. This approach allows businesses to maintain strong perimeter defenses while ensuring smooth integration into broader IT and DevSecOps workflows.
Key Highlights:
- Headquarters in California with partner reach across the USA
- Sandboxing and behaviour checks for unsafe code paths
- SWARM reports link findings to current threat activity
- Partner experts support remediation and policy alignment
- Fits into existing network and cloud security tooling
Services:
- Automated static and dynamic code scans
- Behaviour based malware analysis in sandbox
- Vulnerability assessment with SWARM reporting
- Manual review and remediation guidance
- Ongoing change and configuration reviews
- Mapping fixes to compliance requirements
Contact Information:
- Website: www.sonicwall.com
- E-mail: Sales@sonicwall.com
- Facebook: www.facebook.com/SonicWall
- Twitter: x.com/SonicWALL
- LinkedIn: www.linkedin.com/company/sonicwall
- Instagram: www.instagram.com/sonicwall_inc
- Address: 1033 McCarthy Blvd, Milpitas, CA 95035 United States
- Phone: +1-888-557-6642
7. Sophos
Sophos is a trusted firewall configuration company in the USA, offering centralized management, intelligent threat detection, and fine-tuned policy control through its next-gen firewall solutions. Their team assists organizations with configuring Sophos Firewalls to enable secure segmentation, application control, deep packet inspection, and VPN access across distributed networks. Services include initial setup, ruleset design, advanced threat response tuning, and integration with cloud workloads or hybrid environments.
Sophos Central provides a unified dashboard to manage firewall configurations alongside endpoint, email, and cloud security tools, streamlining security posture management across the enterprise. For teams adopting DevSecOps or scaling cloud-native infrastructure, Sophos also supports automated policy deployment through Sophos Factory, ensuring consistent firewall rule enforcement and simplified change control. Their US-based teams help organizations stay compliant, protected, and agile in the face of evolving threats.
Key Highlights:
- Secure Development Lifecycle backed by OpenSAMM
- Automated scans paired with manual policy checks
- Continuous attack-surface monitoring through managed risk service
- DevSecOps automation for repeatable review pipelines
- Guidance available for remediation and retest
Services:
- Static and dynamic code analysis
- Fuzz testing of critical modules
- Third-party dependency assessment
- Continuous vulnerability scanning and prioritization
- DevSecOps pipeline integration with Sophos Factory
- Scheduled remediation reviews with security specialists
Contact Information:
- Website: www.sophos.com
- Address: 571 S Main Street, Ste 1 Stowe, Vermont 05672 USA
- Phone: 8022533163
8. WatchGuard
WatchGuard is a leading firewall configuration company in the USA, known for delivering robust network protection through its Firebox appliances and cloud-managed services. Their experts help businesses design and fine-tune firewall configurations to enforce access control, content filtering, VPN policies, and intrusion prevention across branch offices and hybrid environments. With WatchGuard Cloud, admins get centralized visibility to manage firewall rules, monitor threats, and deploy security policies from a single console.
WatchGuard also supports ongoing firewall optimization through its “Hire an Expert” program, offering remote or on-site assistance to adjust rulesets, apply firmware updates, and respond to new threat intelligence from the WatchGuard Threat Lab. Managed service providers (MSPs) benefit from automated policy deployment, multi-tenant controls, and advanced reporting, making it easy to deliver compliant and resilient firewall protection to clients of any size.
Key Highlights:
- Combines automated scans with manual review
- Insights backed by Threat Lab research
- Findings appear inside WatchGuard Cloud workflows
- Ongoing patch and retest support for MSPs and in-house teams
- Remote and on-site assistance available through expert services
Services:
- Static and dynamic code analysis
- Third-party and open-source package review
- Manual logic and input validation checks
- Patch planning and remediation validation
- Supply-chain risk assessment for software components
- Secure configuration guidance for build pipelines
Contact Information:
- Website: www.watchguard.com
- E-mail: businessdevelopment@watchguard.com
- Facebook: www.facebook.com/watchguardtechnologies
- Twitter: x.com/watchguard
- LinkedIn: www.linkedin.com/company/watchguard-technologies
- Instagram: www.instagram.com/watchguard_technologies
- Address: 255 S. King Street Suite 1100 Seattle, WA 98104 United States
- Phone: +1.206.613.6600
9. Check Point Software Technologies Ltd.
Check Point Software Technologies Ltd. is one of the top firewall configuration companies in the USA, offering advanced security solutions built around its Next Generation Firewalls and unified threat management platform. Through its Infinity Global Services, Check Point provides tailored firewall configuration services that help organizations segment networks, manage access control policies, and deploy intrusion prevention rules based on real-time threat intelligence. Their SmartConsole and R80 platform enable centralized rule creation, policy tuning, and real-time monitoring across physical and cloud-based assets.
Firewall configuration services are delivered via expert-led professional engagements, including rulebase audits, performance tuning, high availability setup, and Zero Trust policy enforcement. For ongoing support, Check Point also offers managed firewall services that ensure continuous policy updates, compliance alignment, and rapid response to evolving threats. These services are ideal for enterprises seeking scalable, policy-driven network security without adding in-house firewall management overhead.
Key Highlights:
- Offers secure code reviews as part of broader security assessments
- Integrated with managed detection and response services
- Covers both cloud-native and traditional infrastructure
- Delivers services through Infinity Global Services and professional consultants
- Provides risk and compliance-focused reviews, including vCISO services
Services:
- Secure code review and vulnerability identification
- Cyber risk and attack surface assessment
- Managed detection and response (MDR)
- Penetration testing
- Incident response and digital forensics
- Strategy and compliance advisory through vCISO
- Security training and awareness programs
- Lifecycle security management and optimization
Contact Information:
- Website: www.checkpoint.com
- E-mail: press@checkpoint.com
- Facebook: www.facebook.com/checkpointsoftware
- Twitter: x.com/checkpointsw
- LinkedIn: www.linkedin.com/company/check-point-software-technologies
- Address: 100 Oracle Parkway, Suite 800 Redwood City, CA 94065
- Phone: +1-866-488-6691
10. McAfee
McAfee is a leading cybersecurity company in the USA that provides comprehensive firewall configuration services designed to protect enterprise networks from evolving threats. Their solutions include Next-Generation Firewalls (NGFW) that support detailed policy creation, advanced traffic filtering, and integration with threat intelligence to proactively block attacks at the network perimeter.
Their firewall configuration services cover rulebase design and optimization, ensuring firewall policies are precise, effective, and compliant with organizational security requirements. McAfee’s experts assist clients in implementing centralized management for firewall deployment across physical, virtual, and cloud environments, simplifying policy updates and monitoring. They also provide ongoing firewall tuning, vulnerability assessments, and high-availability configurations to maintain network performance and security resilience. With a focus on scalable, customizable firewall management, McAfee helps businesses strengthen network defenses while reducing operational complexity and risk exposure.
Key Highlights:
- Offers AI-supported threat detection for consumer and enterprise environments
- Provides tools for secure software development and vulnerability identification
- Supports data and identity protection through continuous monitoring
- Includes scam detection and alerting for email, text, and digital content
- Coverage includes both individual users and enterprise clients
Services:
- Secure code and application vulnerability assessment
- Endpoint and device security management
- Identity theft monitoring and support
- Web protection and secure browsing tools
- VPN and privacy management for individuals and teams
- Family and multi-user security configurations
- Threat intelligence and automated alerting
Contact Information:
- Website: www.mcafee.com
- Facebook: www.facebook.com/McAfee
- Twitter: x.com/McAfee
- LinkedIn: www.linkedin.com/company/mcafee
- Instagram: www.instagram.com/lifeatmcafee
- Address: 6220 America Center Drive San Jose, CA 95002 USA
11. FireMon
FireMon provides security policy and firewall management solutions aimed at improving the visibility and control of security configurations across complex IT environments. Their focus lies in helping organizations manage risk and enforce compliance by automating and monitoring policy changes across cloud and on-premises infrastructure. FireMon supports integration with a wide range of network and cloud systems, offering a unified view of policies and configurations.
They address challenges related to hybrid networks, cloud transitions, and audit readiness. Their services are built to reduce manual workloads, track policy effectiveness, and detect configuration gaps that might lead to vulnerabilities. The company’s solutions are used across sectors including healthcare, finance, retail, and manufacturing, supporting teams looking to streamline their security operations without disrupting existing workflows.
Key Highlights:
- Focus on firewall policy and security posture management
- Unified visibility across hybrid and multi-cloud environments
- Emphasis on compliance enforcement and audit support
- Support for network discovery and endpoint identification
Services:
- Secure code and policy review
- Firewall policy management
- Cloud security configuration management
- Risk detection and mitigation
- Cyber asset discovery and classification
- Compliance tracking and audit preparation
- Integration with SIEM, SOAR, ITSM, and vulnerability scanners
Contact Information:
- Website: www.firemon.com
- E-mail: info@firemon.com
- Facebook: www.facebook.com/FireMon
- Twitter: x.com/FireMon
- LinkedIn: www.linkedin.com/company/firemon
- Address: Lenexa, Kansas 8801 Renner Blvd. Suite 200 Lenexa, KS 66219
- Phone: + 1 913 948 9570
12. Ascendant Technologies, Inc.
Ascendant Technologies, Inc. provides firewall configuration services to support secure network environments for organizations. Their approach involves adjusting and optimizing firewall settings to create clear boundaries between authorized and unauthorized access. The configuration process includes defining traffic rules, setting up zones, and managing IP routing so that each part of the network is handled according to risk level and function.
They also focus on securing access to the firewall itself by updating credentials and restricting control to authorized personnel. Ascendant tests the firewall setup after configuration to ensure it functions correctly and blocks potential threats. The company integrates firewall management into broader IT services to help reduce the need for internal technical teams while maintaining security standards.
Key Highlights:
- Based in Somerset, New Jersey
- Focuses on firewall configuration and general IT management
- Works directly with client teams for customized configurations
- Includes access control and testing in setup process
- Offers managed IT services beyond firewall setup
Services:
- Firewall setup and configuration
- Access control implementation
- Firewall zone and IP routing setup
- Firmware updates and access restrictions
- Configuration testing and troubleshooting
- General IT support and managed services
Contact Information:
- Website: ascendantusa.com
- E-mail: sales@ascendantusa.com
- Facebook: www.facebook.com/AscendantNJ
- Twitter: x.com/AscendantTech
- LinkedIn: www.linkedin.com/company/ascendant-technologies-inc-
- Address: 265 Davidson Ave #110, Somerset, New Jersey 08873
- Phone: (732) 444-3736
13. OmniCyber Security
OmniCyber Security provide secure code review as part of their broader penetration testing and compliance work. Their reviewers combine automated scanning with manual line-by-line checks to uncover injection points, insecure libraries, and logic errors before software goes live. They link findings to the relevant regulation or framework so development and compliance teams can see how each fix supports overall risk goals.
After the initial review they stay involved through retest cycles, tracking remediation in shared tickets and confirming that updated code meets policy standards. When clients add new features or migrate to cloud platforms, OmniCyber adapt the review scope and update threat models to match current architectures. This helps organisations keep code quality aligned with changing attack surfaces without overhauling existing workflows.
Key Highlights:
- Combines automated tools with manual inspection
- Maps issues to compliance and risk frameworks
- Supports cloud and on-premises development pipelines
- Offers retest cycles to verify remediation
- Integrates results into existing ticketing systems
Services:
- Static and dynamic code analysis
- Manual secure code walkthroughs
- Third-party dependency assessment
- Remediation guidance and validation
- Threat modeling for new features
- Compliance-focused reporting and documentation
Contact Information:
- Website: www.omnicybersecurity.com
- E-mail: info@omnicybersecurity.com
- Twitter: x.com/omnicyber_sec
- LinkedIn: www.linkedin.com/company/omnicybersecurity
- Address: Grosvenor House, 11 St Pauls Square Birmingham, B3 1RB
- Phone: 0121 709 2526
14. Nomios
Nomios provide security management services that include reviewing and tuning code used in firewall rule sets and automation scripts. Their specialists examine configuration templates, change workflows, and policy objects to uncover logic errors and weak controls before updates reach production networks. They align each finding with company access standards so operations teams can see how a single rule or line of code affects wider security posture.
After the initial assessment they handle day-to-day firewall maintenance under a managed service model. This covers continuous monitoring, change validation, and scheduled reviews to keep rule bases clear of redundant entries. When clients add new cloud instances or merge networks after an acquisition, Nomios update templates and run another round of secure code checks to maintain consistent controls across environments.
Key Highlights:
- Reviews code embedded in firewall policies and automation scripts
- Integrates findings into ongoing managed firewall operations
- Monitors infrastructure around the clock from a US operations center
- Adjusts templates when networks or cloud regions change
- Works with in-house teams through shared change tickets
Services:
- Secure code review of firewall rules and scripts
- Policy optimisation and cleanup
- Continuous monitoring and incident response
- Change management and validation
- Configuration backup and version control
- Advisory on access standards and segmentation
Contact Information:
- Website: www.nomios.com
- Facebook: www.facebook.com/NomiosGroup
- Twitter: x.com/nomiosgroup
- LinkedIn: www.linkedin.com/company/nomios-group
- Address: Stadhouderslaan 900 2382 BL Zoeterwoude The Netherlands
- Phone: +31 (0)71 750 1525
Conclusion
Choosing the right firewall configuration company is a critical decision for any organization looking to maintain strong network security. The companies reviewed in this article offer a range of services that go beyond basic firewall setup, including secure code review, continuous monitoring, change management, and compliance support. Their approaches help reduce misconfigurations, improve visibility, and ensure that firewall rules remain effective as network environments evolve.
By partnering with experienced firewall configuration providers, businesses in the USA can offload complex tasks to specialists, reduce internal workload, and maintain a high standard of protection. While service offerings may vary, each company focuses on improving operational security and aligning firewall policies with business needs.
