GIS Data Resources Inc.

Headquartered in San Rafael, California, GIS Data Resources, Inc. (GDR) is a Data Services company that specializes in Location Intelligence solutions. We offer Geographic Information Systems (GIS) services and enabled data, data analysis and integration services, and custom solutions for a variety of industries. 

Our professional team comes from a variety of backgrounds, including Geography, Planning, Engineering, and Software and Systems development and Research and Development. Each team member plays a variety of roles in our matrix-based organization, with a focus on customer service, quality, and delivering on-time and within budget.

GDR's mission is to deliver the most accurate, timely, and content rich location information available today, customized for your unique needs. Whether you have existing data or no data at all, GDR's leverages spatial or business data and domain knowledge, as well as our content and expertise, to geo-spatially enable and optimize your enterprise systems.

GDR offers complete data and services packages or “a la carte” services, a variety of file and transactional data products, implementation and design services, as well as effective web-based workflows to achieve ROI using spatial solutions.

Ultimately, GDR aims to help your company or organization harness the power of GIS and leverage every piece of spatially-referenced information available to increase business profits or save lives.

Company details



San Rafael, CA

Year founded


Company size

11-50 employees


Public Safety Mapping, Address Data Quality, Location Intelligence, Address Intelligence, Fraud Mitigation, and GIS Data