Preissner Engineering & Consulting, LLC is an Ann Arbor, Michigan-based engineering consulting company specializing in mechanical systems, structural design, finite element analysis (FEA), computational fluid dynamics (CFD), and 3D computer-aided design (CAD). They offer innovative analysis and design solutions to high-tech industries like defense, aerospace, transportation, and energy. Their services include FEA for complex assemblies, CFD for various analysis types, and CAD tools for 3D design throughout project phases. PEC handles projects of all sizes, from R&D to multi-company systems, helping clients develop new products, enhance designs, and evaluate system performance. They prioritize total quality and improvement, catering to industries like wind energy, infrastructure, and high-tech sectors.