We have just moved. You can now find us at 401 South LaSalle, Suite 1005, Chicago, IL 60605.

Great Arc Technologies offers a full range of GIS consulting expertise, including enterprise solutions, mobile solutions, application development, web-based mapping, and database integration.

Based in Chicago, we work with a broad range of clients, from local and regional government agencies to power and utility companies to customers in the private sector.

With an average of over twelve years of GIS-related experience, each of our developers specializes in providing innovative solutions spanning all aspects of development, management, analysis, integration, and deployment of spatial data and related technology.

Our software development background enables us to implement tailored custom applications and time-saving automation techniques that enable clients to maximize the return on their GIS investment.

We have an established relationship with Esri, the industry leader in GIS technology. As an award-winning Esri business partner, we are an authorized developer and value-added reseller of Esri products.