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| SURV-KAP, Inc. Provides a full range of survey markers, monuments, caps, stakes and accessories.
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Allen Osborne Associates, Inc. Providers GPS systems for precise time and frequency transfer, ionospheric calibration, reference receivers and surveying.
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GeoData Corp. Aerial mapping company that provides photogrammetric and digital mapping services to a broad spectrum of clients. Located in North Carolina.
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Contex Manufacturer of scanners used with geographic information systems (GIS) for map cartography and digital cartography.
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Carl Zeiss: Surveying Division Designs and manufactures optical, electronic and mechanical devices and components for surveying and mapping applications.
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Zonge Engineering and Research Organization Provides electrical geophysics instrumentation and field surveys.
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Mercator, Inc., Manufacturer of GPS systems for use in marine, survey, construction, mapping and other industries.
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Hays Instrument Distributor of surveying instruments, engineering equipment and field supplies for professional land surveyors and engineers.
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Forestry Suppliers Supplier of products for natural resource professionals worldwide, featuring products for the forestry, environmental science, surveying/engineering, horticulture, grounds maintenance, educational professionals and more.
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Sokkia Manufacturer of measurement systems for construction, industrial, and land surveying applications.
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Spectra Precision Manufacturers of state-of-the-art surveying and positioning systems based on both traditional electronic distance & angle measurement and GPS technology.
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Pentax Offers a variety of products for GPS, GIS, surveying and data collection needs.
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Schonstedt Instrument Manufacturer of magnetic and dual frequency pipe/cable locators, called HeliFLUX(tm); water leak detectors; magnetic unexploded ordnance locators; and underwater locators. Products are sold to land surveyors, excavators, EDD contractors and for.
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GeoPlane Services Offers sales, rental and service for a variety of GPS survey and mapping equipment.
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Leica Geosystems Inc. Produces state-of-the-art systems for the capture and processing of spatial data for surveying, mapping and positioning.
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Geographic Measuring Systems Providers of survey software and systems.
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Richard B. Davis Co., Inc. Providers of land surveying, aerial mapping and GIS services. Based in California.
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Surveyor's Supply Co. Offering instruments and supplies to architectural, engineering, surveying and construction companies.
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Berntsen International, Inc. Manufacturer and supplier of all types of markers, including survey markers, survey monuments, utility markers, and related accessories.
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Geophysical Survey Systems, Inc. Manufacturer of Ground Penetrating Radar (GPR) Systems and Electromagnetic Induction Instruments (EMI). Based in New Hampshire.
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