Overview Affiliated Engineers, Inc. (AEI) is a leading, multidisciplinary consulting engineering firm and collaborative community of over 800 employees who plan, design, and deliver high-performance, innovative, and holistic engineering solutions - positively impacting society and advancing humankind. Recognized in the Top 20 Engineering Firms and Top 3 Science and Technology Firms since 2000 by Building Design + Construction Magazine, AEI is dedicated to enhancing public health and improving