eMap International provides products and services to the global geospatial community. We work closely with our commercial and federal, state and local government clients to first understand your needs and then to help craft Best Value solutions to meet your operational requirements. eMap’s professionals have more than 80 years of experience working in the geospatial technology industry. By leveraging our GIS, photogrammetric engineering, mapping and remote sensing expertise, the eMap team successfully addresses real-world applications, including asset inventory and management; infrastructure, landbase development and maintenance; stormwater management; establishing stormwater utilities and more.

Our approach to customer service is simple. First we listen - working with customers to understand what they want to accomplish and their project objectives. Then we act - conducting needs assessments followed by project requirements development. Our customers’ objectives and specifications establish the prerequisites and the context for developing the Best Solution to meet or exceed the project’s technical requirements on time and within budget. eMap’s astute technical support and prompt customer service ensures that our products and services are fully exploited for their intended purposes and can extend the utility of your geospatial data by addressing additional, unforeseen needs. eMap’s consistent, high-quality products and services facilitate data and project maintenance with cost-effective, tailored subscription programs. eMap works with customers to craft best value solutions to meet their operational requirements as their needs evolve.

eMap International provides governments, engineering, private firms and commercial organizations with a wide range of geospatial products and services – such as photogrammetric mapping, Impervious Surface Maps (ISM™), satellite and airborne orthorectified imagery, LiDAR, IFSAR, Landbase and GIS updates, engineering-grade feature extraction and more – to clients in the USA and internationally. We possess unique insight into both commercial, civil government and academic user communities. The firm’s credentials include Certified Photogrammetrists, Certified Mapping Scientist and Professional Land Surveyor along with significant remote sensing and GIS expertise. Based on our experience and by understanding your objectives and applications, we offer customized solutions by combining appropriate products with additional data sources and knowledgeable project management. To summarize, eMap International will work with you to help assess your needs, meet your requirements and achieve your requirements and goals on time and within budget.


For geospatial consulting inquiries, please contact David Nale at (352) 258-1631 or dnale@emap-int.com.

For product sales inquiries and technical support, please contact Brock McCarty at (720) 470-7988 or bmccarty@emap-int.com.

For Impervious Surface Map (ISM™) products, please contact Jeff Liedtke at (303) 517-9594 or jliedtke@emap-int.com.


Management Profiles

David K. Nale
President & Chief Executive Officer

As a Certified Photogrammetrist/Certified Mapping Scientist/Professional Land Surveyor with over 30 years of experience, Mr. David Nale has been directly responsible for the detailed photogrammetric mapping of hundreds of cities and counties, states and major Federal projects. Mr. Nale has served in the overall management capacity for over 5,000 major mapping projects both nationally and internationally. Over a 30 year time frame, he has authored dozens of published paper and articles and lectured on various GIS and geo-spatial mapping technologies topics. In 1996, Mr. Nale was awarded the distinguished honor of Centennial Fellow by the Pennsylvania State University, College of Earth and Mineral Science.


Brock Adam McCarty
Director of Geospatial Products & Services

Mr. McCarty works with customers and partners to match product and service offerings to satisfy project requirements. His knowledge of eMap product production capabilities helps to clearly define project deliverables, including customer support before, during and after the sale. Having worked in Customer Service as an inside sales representative, he is well versed in the art and science of listening to customer requirements and then delivering the correct products in a timely and courteous fashion. As a graduate of the University of Colorado with a M.A., Mr. McCarty is knowledgeable in the applied and theoretical intricacies of remote sensing and Geographic Information Systems (GIS). An example of Mr. McCarty's academic writings can be downloaded from this link.

Reed Rowley
Manager of Client Services

Director de Servicos Clientelas

Reed Rowley is a recent graduate of the University of Colorado, Boulder with a degree in International Affairs focusing on Latin American development. During college and following his graduation, Reed spent over one year in Israel, Argentina and Chile working, traveling and studying. Reed has sales experience working with clients in both English and Spanish and is oriented towards reaching out to new domestic and international clients for eMap International.

Jeff Liedtke
Senior StormWater Consultant

Mr. Liedtke is responsible for managing eMap's Impervious Surface Map (ISM™) products. Mr. Liedtke brings a wide range of technical and business expertise and experience to eMap International, including operational digital airborne and satellite remote sensing, image processing, photogrammetric production, mapping and landbase development, project management, applications engineering and product marketing. Providing appropriate products and information to make well-informed land, resource and asset management decisions continues to be his quest.

Contact eMap International