STATE-OF-THE-ART, QUALITY, COST-OPTIMIZED SOLUTIONSFounded in 1947, Butler Aerospace & Defense/BAA is a U.S. Aerospace & Defense Engineering Solutions Provider, part of HCLTech, one of the global leaders of Engineering and Technology solutions.Companies and Agencies come to us when they need to solve engineering challenges and enable their digital transformation. Our Full Life Cycle Solutions offer our partners RAPID and AGILE execution.