For more than 50 years, PSP Engineering has been offering equipment for the construction industry. Located in Phoenix, Ariz., the company specializes in design and construction of cement plants and lime works. It also has expertise in crushing and screening plants for stone, gravel and sand. Additionally, the company offers crushers, feeders, vibrating screens, air separators and mills for lime burning and clinker burning. It also performs pyroprocesssing, grinding, crushing and screening. PSP Engineering is an ISO 9001:2000 certified company.