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Welcome to NWGIS



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Our Team

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lchebsns.jpg (29150 bytes) For more than sixteen years, NWGIS has provided the Pacific Northwest with expert Geographic Information Systems (GIS) technical support and mapping services.  GIS technology has become an essential tool for any planning or decision making that involves geographic data.  Although we specialize in environmental uses of GIS, our capabilities extend to any GIS application that requires data collection and conversion, database creation, mapping, data modeling and analysis, and custom interface design and development.  We have the resources and knowledge to handle your GIS needs.

Our Mission

To provide the Pacific Northwest with expert GIS technical support and mapping services, offering a cost-effective, reliable alternative to implementing or expanding your own GIS capabilities.

Company Profile

Northwest GIS Services, Inc. (NWGIS) was established in 1993 to meet the growing need for GIS services in relation to environmental studies and land use planning.  During the past sixteen years that we have been in business, our list of clients and projects has been growing steadily.  The majority of our work comes from repeat business and referrals.  We believe this is largely due to the fact that we are able to deliver high-quality GIS products and services in a timely manner at a reasonable cost.  We are especially noted for the excellence of our map products.  On the two occasions that we entered the poster contest at the Northwest GIS User Conference, we received awards while competing against large state and local government agencies and other prominent GIS consulting firms.  We take special care to ensure that every map we produce is attractive, readable, and clearly conveys the desired information.

NWGIS personnel have the technical skills and professional experience needed to translate environmental study objectives into GIS form.  Collectively, we have more than 40 years of experience using GIS technology in a wide range of applications.  In addition, our chief GIS consultant has well-established professional credentials in the environmental field.

We specialize in watershed analysis, hydrology, and surface water planning and management.  This involves the integration of many GIS data layers, including fish distribution, stream channel characteristics, riparian vegetation, forest roads, land use and land cover, geology, slope stability and erosion hazards, and layers derived from digital terrain models.  Our expertise also includes dynamic segmentation, a process for efficiently coding data associated with linear features, such as streams and roads.

Contact Us

Please feel free to contact us for additional information, for job estimates, or if you just have a GIS question.  We would be happy to visit your site or discuss your GIS needs via telephone or e-mail.  You can also use our Feedback page to let us know of your interest.

Postal address
P.O. Box 3296, Seattle, WA 98114
Electronic mail


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Last modified: February 25, 2010