Alta Southwest is a leading Engineering Consulting Firm in Arizona, Nevada & the Southwestern U.S., offering world class Geot ... echnical, Surveying, Environmental, and Site Acquisition Engineering Services. Our clients continue to respond favorably to our broad offering of services, which is fueling our growth. Alta Southwest is one of the fastest growing companies in the region, and our professionals will continue to leverage decades of experience completing your projects in a timely and professional manner. read more