Built for 911 users by 911 experts.

From the software we build to the data we collect on a day-to-day basis, all our solutions are crafted with the nuances of the emergency response industry.

Innovation fueled by expertise

With years of experience building base maps since 1993, DDTI is all about developing innovative software. From building next-generation GIS software to collecting reliably accurate and consistent 911 map data, innovation is our passion and it fuels what we do every day.

Pinpoint mapping accuracy

As a long-standing member of the global GIS community, we have created, processed and maintained the most accurate transportation datasets in the industry. As such, we’ve applied this commitment and innovation to our mapping software to ensure the two work together to form the most powerful solutions available for emergency response. Because when life is on the line, accuracy matters.

We're open to sharing

We’re committed to developing software that empowers agencies of all sizes to share local map information with one another, creating a more accurate and timely set of data.

Software for agencies on the move

Our mobile solutions enable first responders to map routes using mobile devices, speeding response times and increasing safety. What’s more, our automatic vehicle location (AVL) solution communicates vehicle information and cell phone locations for tracking bicycle, foot or mounted patrol directly to dispatch centers.