Crux Subsurface

Crux Subsurface Inc., based in Spokane Valley, is a geotechnical drilling and foundation contractor founded in 1998. The company provides contract engineering and drilling services to logistically challenging infrastructure projects, including geotechnical analysis, drilling, engineering design, program management, and specialty foundation solutions. Crux has performed work in more than 35 U.S. states and seven Canadian provinces, operating in diverse environments ranging from high-altitude to underground and desert to extreme cold conditions.

The company's multidisciplinary team combines structural and geotechnical engineers with experienced drillers, construction managers, geologists, and quality management specialists. Crux designs and installs both standard and specialty deep and shallow foundations for various industries, particularly in electric power delivery and transmission line infrastructure. Services include supporting engineering, data logging, digital mapping, and in-house equipment fabrication and modification.