Keystone Precision Support was founded in 1989. Through strong leadership and one of the most talented work forces in the industry, Keystone Precision Solutions has grown into one of the most successful construction and survey equipment sales companies in the northeastern United States.We employ more than 50 people and cover a primary area from Maine to northern Virginia. Our home office is located in Allentown, Pennsylvania, a state-of the-art, 28,000-square-foot building. Branch offices are located in Crofton, Maryland , and Milford, Massachusetts. Our staff includes six licensed land surveyors, two civil engineers, installers and a full complement of in-house personnel featuring trained repair and Support Specialist 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.We have also established one of the largest VRS Networks, KeyNet GPS, in the Northeast and are 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.We would like to thank you for your support of Keystone Precision Solutions and look forward to partnering with you to meet your future needs.