SCST,LLC is now Atlas. To learn more about our enhanced services, please follow Atlas on LinkedIn or online at www.oneatlas.c ... om Established in 1959, SCST, LLC, an Atlas Company, has a long legacy of building strong relationships through a commitment to quality services and engineering excellence. Serving both the public and private sectors, our firm provides professional expertise in the areas of environmental science & engineering, geotechnical engineering, construction integration & technology, geophysics, special inspection & materials testing, and facilities consulting. Learn more about Atlas by visiting oneatlas.com read more