Flagstaff Engineers Civil 202 E Birch Ave Plateau Engineering, Inc. is a general civil engineering and land surveying firm located in the heart of Northern Arizona. Our experience encompasses twenty five years of successful design contract administration and surveying assignments. Flagstaff AZ Engineers Civil Plateau Engineering www.plateng.com civil engineer civil engineers engineering civil land land surveyors surveyors surveying transportation land development solid waste disposal water systems water sewer systems sewer roadways pavement traffic airport flood control civil engineer civil engineers engineering civil land land surveyors surveyors surveying transportation land development solid waste disposal water systems water sewer systems sewer roadways pavement traffic airport flood control Business Reviews Plateau Engineering Testimonials