Stay safe and connected with the right mission critical antenna system. STI-CO specializes in designing and manufacturing to your specifications. Our custom, high performance antenna systems combine over 50 years of expertise with the latest in technology for your surveillance, military, transportation and tactical applications to keep you safe and connected. STI-CO® is ISO 90001:2015 certified and incorporates leading edge manufacturing techniques. We are committed to working with government agencies, transit companies, and the military to deliver a robust and reliable antenna solution custom made for specific program requirements.