Network consultants. Offer implementation of firewall, VPN, e-mail and web filtering systems. Based in Oakdale, Minnesota, USA.

Network security analysis and managed integration and support services. Needs analysis, security policy development and security assessments.

Provides converged security solutions: compliance programs, information security services, physical security solutions, education programs, document security and investigative services.

Provides security audits and consulting, as well as training and continuing education for auditors and information security professionals.

Provides network and computer security services to small businesses in the Raleigh, Durham, and Chapel Hill areas or North Carolina, USA.

Offers infrastructure and technology analysis and recommendations, audits and vulnerability assessments.

Security vulnerability assessments, network design, personnel training, expert witness, and incident handling services. Located in Phoenix, Arizona, USA.

Offers architecture, design, development, and deployment consulting to improve enterprise security and reduce costs. Located in Seattle, Washington, USA.

A full service security firm that specializes in code audits, penetration testing and PCI certifications. [Requires Flash Plugin]

Provides services for security audits, forensics, secure network architecture development, policy and procedure development and compliance and control analysis.