Welcome to DDC

Our professional engineering staff designs customized facility management systems tailored to meet each client’s exact specifications. Our business is headquartered out of Sioux Falls, S.D.; however, we have a branch office in Fargo, ND as well to best serve the upper midwest.


Our business is based on honesty, integrity, and sound ethics, which is why we give our clients the freedom to choose. Our Tridium AX based facility management systems are designed to empower our customers and give them the freedom to choose control components that make the most sense for their facility. It also gives them control over who has access to their systems and how they access those systems.

Automating Buildings Since 1994

Security cctv surveillance camera in front of blue sky with copy space
Close up of human hands using virtual panel
Man looking at digital display on boiler with two apprentices
security guard watching video monitoring surveillance security system
low angle shot on security camera with office building background, shanghai china.
Open &
Free To
Efficient &