Tri State Security & Patrol Service

3D Security is a regional leader in all phases of physical and electronic security systems and alarms serving the greater Sioux Falls, South Dakota metro area and throughout North Dakota, Nebraska, Iowa, and Minnesota. The 3D Security team brings more than 60 years of security industry expertise and knowledge to our customers. Our technical service experts provide solutions to a vast array of security needs: - Burglar and fire alarms - CCTV/video systems - Bank security equipment - Biometric security - Alarm monitoring We offer full installation, service, repair and maintenance for our products, as well as central station monitoring of burglar alarms and fire alarm system. We work with many local companies and financial institutions to ensure they are secure. Take a moment to visit our informative website, link above, for a full listing of our services and to learn more about our company. Call 3D Security today for a revolution in security equipment!

We Are Here. Signal 88 Security is dedicated to providing peace of mind for you and for your customers. Specializing in roving patrol for residential, commercial, and retail customers.

Full-Service Integrators of all your Communication, Voice & Data Cabling, Security, Audio Video and Automation needs.