Great Arc Technologies offers a full range of GIS consulting expertise, including enterprise 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 10+ years of experience, our developers specialize in providing innovative solutions to all aspects of the management, analysis, integration, and deployment of spatial data and related technology.

Our software development background enables us to implement time-saving automation techniques and custom applications 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 ESRI business partner, we are an authorized developer and value-added reseller of ESRI products. In addition, we host the official ESRI instructor-led training center for the Chicago area.