The company employs more than 50 people and covers a primary area from Maine to northern Virginia. The home office is located in Allentown, Pennsylvania, a state-of the-art, 28, 000-square-foot building. Branch offices are located in Crofton, Maryland, Milford, Massachusetts, and Syracuse, New York. Our staff includes six licensed land surveyors, two civil engineers, plus machine control specialists, installers and a full complement of in-house personnel featuring trained repair and service departments to meet the needs of our customers. Keystone features Trimble products, first and foremost. Product lines include machine control, building positioning instrumentation, survey products-GPS, robotics, GIS, data collection, data prep, scanner technologies and a full complement of supply items to meet our customers' needs. Keystone has also established one of the largest VRS Networks, KeyNet GPS, in the Northeast and is working diligently to expand it. Coverage includes areas of Virginia, Maryland, Delaware, New Jersey, Pennsylvania, New York, Connecticut, Vermont, Massachusetts, Rhode Island, New Hampshire and Maine.

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