Project Highlights

Louisiana Seamless Basemap
Louisiana is a state constantly in flux; subject to subsidence, shaped by hurricanes, at the mercy of the flood, the shape of the State is in a persistent state of change. Maintaining an up-to-date map is a daunting task, but one that is vital to the future of the Gulf Coast.
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Texas StratMap
As part of the StratMap team, GDM was charged with updating the hydrographic layer of over 4,400 quadrangles for the State. Using that photorevised data, GDM was also able to produce high resolution NHD data for Texas efficiently.
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Contact Info
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GDM International Services, Inc.
Middleburg, VA 20117
Email: info@gdmis.com

Phone: (540) 687-6068
Fax: (540) 687-xxxx

Welcome to the web site for GDM International Services Inc. (GDM). We are a small part of the geospatial community working to provide for the compilation and integration of digital data sets useful in assuring effective resource management decisions. Our company has been in operation since 1990 providing digial mapping and GIS services as a prime contractor or as a subcontractor.

GDM focuses its efforts in several, often inter-related areas including, for example, digital base map production, water resources planning & management, and GIS systems design, implementation and training. Our staff is constantly aware of how our experiences can be applied in other areas of need. In providing these services, our clients are varied, and include a number of Federal government agencies, State agencies, local municipalities and several private sector organizations. Several members of our staff have provided extended tours in the conduct of GIS training and education programs in foreign nations, including Cyprus and Saudi Arabia.

GDM has the capability to provide you with skilled technical support staff for short and/or long period assignments to support your need for specialized tasks. GDM provided highly skilled staff to the U.S. Forest Service and to the support contractor for the U.S. Geological Survey. On board GDM staff have experience in providing these services for both short and long term periods.

GDM invites you to review our experience and demonstrated capabilities on this web site and contact us if you, either as individuals or as corporations, are interested in working with us either as an employee, consultant, or as a teaming partner on existing or potential programs. Give us a try. We will strive to provide you with the highest quality, and most timely and cost effective solution for your geospatial information needs.


J. Frank Hebard, Ph.D.

Vice President & Chairman, GDM International Services, Inc.