SDN Communications Home

Where there's light,
there's potential

Graphic of SDN's fiber connections
Reliable Fiber Network

Our 50,000-mile fiber-optic network delivers UPTIME for businesses.

Get To Know Our Network
SDN Employee working in a fiber box for business internet along a sidewalk
Our Mission

Our employees strive to return value to Member Companies and customers.

Meet Our Team
Hand plugging in to SDN cable
Building Partnerships

Our partnership with 17 independent South Dakota internet companies and Indatel's 30 networks across the country makes each of us stronger.

Member Companies
Our Services

Leverage the power of the largest fiber network in the region.

Business Internet via SDN Communications

Business Internet

Reliable, dedicated fiber-optic internet. Symmetrical download and upload speeds. Scalable bandwidth for evolving needs.

MPLS via SDN Communications, your source for WAN Connectivity

WAN Connectivity

No remote location is ever isolated. Transport information across Wide Area Networks through SDN’s MultiProtocol Label Switching and SD-WAN services.

SDN is your source for expertly managed firewall protection for your business.

Managed Services

Let us take care of your firewall, routers and DDoS protection so you can focus on what you do best.
SDN's New Wholesale Service moves big data through more than 50k miles of fiber.

Wholesale Carrier

We haul information. The big telecommunications companies come to SDN to move big data through more than 50,000 miles of fiber in the Upper Great Plains.
SDN's secure backup for your business network, running 24/7.

Data Center

Our 25,000-square-foot colocation space provides secure backup for your network as a switch site location, disaster recovery site and data center.