A little info on PSI

Professional Service Industries, Inc. (PSI) is a leading independent engineering testing firm and one of the largest consulting engineering firms in North America. Clients involved with site selection, design, construction and property management rely on PSI for environmental consulting, geotechnical engineering, construction materials testing and engineering, industrial hygiene services and facilities engineering and consulting. These services are backed up by state-of-the-art equipment and laboratory facilities. Through PSI’s One Company, One Call service, clients can access a wide range of engineering and environmental services, all through a single consultant. PSI has a strong reputation as an industry leader, built on more than 100 years of experience of providing business and industry with Information To Build On. Services are offered from a network of 125 offices in the U.S., with 2,500 employees. One Company, One Call – simply a better way to do business. Learn more at http://www.psiusa.com/