CHJ Consultants (CHJ), from its headquarters and laboratory in Colton, and with a laboratory in Victorville and an office in Palm Desert, Calif., is pleased to announce it has joined Terracon, a nationally recognized leader in providing environmental, facilities, geotechnical, and materials services. CHJ Consultants was founded in 2011 by Robert Johnson along with Jay Martin and help from a former business associate. CHJ’s provides services similar to Terracon including geotechnical investigations, soil testing, engineering geology, environmental consulting, materials testing, and construction inspection. Since their founding, CHJ has supported projects throughout San Bernardino, Riverside, Los Angeles, and Orange Counties. The CHJ portfolio includes a number of major hospitals, roadways, schools and universities, power projects, and flood control projects.