Affiliated Engineers, Inc. is a leading US-based multi-disciplinary consulting engineering firm that plans, designs, and delivers high performance engineered systems for technically complex buildings and utility infrastructure projects. Nationally and internationally, AEI specializes in the healthcare, research, energy production and distribution, higher education, industrial, mission critical, and high-performance design markets. Building Design+Construction magazine ranks AEI in the top ten of US engineering firms overall, and in the top ten of healthcare, university, science and technology, and Federal government engineers. AEI has received 13 R&D Magazine Lab of the Year awards.