American GPR & Coring Share: Sub Contractors Visit Website Request Info 4833 Front St. Unit B #246 Castle Rock, CO 80104 (303) 589-6822 LinkedIn About Map About American GPR & Coring is a woman-owned MWBE, SBE, EBE & DBE certified company that offers core drilling and ground penetrating radar.American GPR & Coring has been chosen as a 2023 Finalist in the Denver Business Journal Small Business Awards in theX-Small Category! What's Nearby? Distance: 5 10 15 20 25 50 mi. Upcoming Events: [siteorigin_widget class=”WP_Widget_Custom_HTML”][/siteorigin_widget]