GPR One Call is an underground locating company that uses the newest non-invasive subsurface technology and training to provide the safest and most accurate methods for locating underground utilities, storage tanks, and anomalies, including: -Ground Penetrating Radar (GPR) -Electromagnetic Detection (EM) -Vacuum Excavation -Concrete Scanning -Ferromagnetic Detection (FM) Our team of professional underground service locators provides cost effective services to both commercial and residential projects in a professional and timely manner. Most of the work we perform is on a flat fee basis, so you know the cost before we start. For all of your surface paint mark-outs you can count on GPR One Call to get the job done right. For more information, visit our website or give us a call today.