ASPE Student Chapter at UNC Charlotte Oak Ridge National Labs NPL: The National Physical Lab (UK). PTB (Germany). ASPE: American Society for Precision Engineering. ASME: American Society of Mechanical Engineers. SME: Society of Manufacturing Engineers. ASQC: American Society of Quality. ANSI: American National Standards Institute. ISO: International Standards Materials Science and Engineering at North Carolia State University. Machine Tool Research Center, University of Florida, Gainsville Third Wave Systems Inc.