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
Data Privacy: Resources for you & your business
Advances in high-tech fields such as automation and artificial intelligence, as well as old-fashioned criminal greed, have made digital data difficult to protect. But it must be do...
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Christensen Communications has strong history of local service
Getting into telecommunications after working in law enforcement was a natural move for Brent Christensen, vice president and chief operating officer of Christensen Communications ...
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Malicious email is more than a nuisance; protect your business
Email is the initial weapon of choice for a lot of cybercriminals. It’s a cheap, easy and low-risk way for a thief to get an initial introduction to a business....
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With one exception, 2018’s top blogs offer great mix of topics
The most viewed blog published by SDN Communications in 2018 was a column that gave readers an inside look at how company experts responded to an equipment failure at a bank in Sou...
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