Open Advisors Limited, or Opal, was founded in 1993 to provide technical and management consulting services to companies in the areas of network planning and management, server deployment, training and support. Opal has extensive experience in the ISP business which demands high availability, continuous uptime and security, and is pleased to bring those skills to businesses in other areas.

Opal's services include:

• Enterprise-wide network planning analysis consulting
• Facilities design and construction management
• Fiber optic and other circuit planning and installation
• POP equipment installation and interconnection
• server equipment installation and interconnection
• Migration of services from legacy to new network platforms, including customer communications and support
• FreeBSD system design and deployment
• Cross-platform end-user service integration: DNS, email, netnews, web services, etc
• Voice Over IP (VoIP) deployment and integration
• On-going network management, including remote management
• Training services (instructor-led, web and video)
• Open systems IT management consulting
• General TCP/IP and FreeBSD consulting