Business Broadband Provider. Cybersecurity Leader.

SDN Communications' network of more than 45,000 miles of fiber connects the area’s leading businesses. 
With a 91 percent customer satisfaction rating (a record high for the industry), SDN’s state-of-the-art telecommunications services also come with unparalleled customer service and support.

SDN is the biggest fiber-optic network in the region.
Find out how to harness the power of SDN's reliable network that stretches across the Midwest.

Recent SDN Blogs
Hartford, to its credit, explores potential of 5G technology
Civic leaders in Hartford invited SDN executives to talk about small cell technology at an Aug. 16 meeting of the Hartford Area Development Foundation....
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New Board president expects need for services to keep growing
Denny Law, the new president of the SDN Communications Board of Managers, expects challenges and opportunities in the telecom industry to keep unfolding rapidly in the future....
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Single points of failure loom as big risk for the unprepared
Businesses increasingly rely on the tools of technology. Computerized and automated processes are common and valuable contributors in all kinds of commercial operations....
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Cyber insurance is a business option that requires homework
Early in 2019, the National Association of Insurance Commissioners, or NAIC, identified cybersecurity as “perhaps one of the most important topics for the insurance sector today....
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