Yeh and Associates has routinely worked with Apex Rockfall Mitigation to conduct geologic hazard mitigation for several projects in many states. Apex is comprised of highly qualified personnel in the areas of rock bolt installation, ground anchors, draped and pinned mesh, rockfall barriers, and slope scaling. Apex is known for providing skilled personnel, responsive service, and quality projects that are on time and on budget.  Their projects are well planned, coordinated, and managed. We at Yeh and Associates have worked with many rockfall mitigation contractors throughout the U.S.  Apex Rockfall is rated as one of our highest contractors for value, quality and responsiveness.