Connect and communicate with confidence using our Telecommunications Services, delivering robust, scalable, and secure solutions tailored to keep your business ahead in a connected world.

Telecommunications Services

Business Phone Systems

Empower your business with advanced phone systems that provide crystal-clear communication and versatile features to streamline your operations.

We offer:
  • VoIP Solutions: Implement Voice over Internet Protocol technology for flexible, low-cost communication options.
  • PBX Systems: Private Branch Exchange systems that allow you to manage internal and external communications efficiently.
  • Unified Communications: Integrate voice, video, messaging, and conferencing to enable seamless collaboration among teams.

Internet Services

Experience high-speed, reliable internet connectivity that supports your business’s critical operations and digital demands.

We offer:
  • High-Speed Internet Access: Fast and dependable internet services that keep your business operations running smoothly.
  • Dedicated Leased Lines: Leased line services that offer a private, uncontested connection for your exclusive use.
  • Wireless Broadband: Flexible wireless broadband solutions to provide connectivity in areas where wired infrastructure is not available.

Data Solutions

Safeguard your data with robust solutions that ensure your business’s continuity and security.
We offer:
  • Data Backup and Recovery: Services designed to protect your data against loss and quickly recover it when needed.
  • Cloud Data Services: Utilize cloud services for scalable data storage and access from any location.
  • Data Center Services: High-quality data center services providing secure and resilient hosting for your critical infrastructure.

Mobile Solutions

Stay connected on the go with our comprehensive mobile solutions, catering to the mobility needs of your modern workforce.

We offer:
  • Business Mobile Plans: Tailored mobile plans that offer flexibility and cost-effective communication for your team.
  • Mobile Device Management: Manage and secure your team’s mobile devices to protect corporate data and maintain productivity.
  • Mobile Internet Solutions: Provide your team with the ability to access business resources securely from any location.

When It’s Complicated, The Answer Is Simple. Sebastian!

For over 75 years, Sebastian Corp has provided exceptional electrical services in California.

Our team of highly trained, dedicated professionals will work closely with you to handle your electrical design, installation, troubleshooting, upgrade, and repair work.
Count on us for the most innovative solutions in electrical services.


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Whether you’re a new or an existing customer, we’re here to talk about your business needs and answer any questions you may have about our services.