Atlantic Subsurface Imaging LLC is a ten year old firm based in New Jersey. They are utilizing industry-leading ground penetrating radar technology in conjunction with laser scanning to create extremely detailed 3D models.
All of the 3D designs produced are compatible with CAD, BIM, and GIS. Atlantic Subsurface Imaging, LLC is able to provide some of the most accurate descriptions of subsurface areas in the industry. They have helped to build 3D models for everything from small projects to major highways.
Check out this LiDAR News magazine article on the use of laser scanning and GPR for heritage preservation.