Sigma Labs Inc. (SGLB) is an emerging provider of quality assurance software to the commercial 3D printing industry under the PrintRite3D® brand. Founded in 2010, Sigma is a software company that specializes in the development and commercialization of realtime computer aided inspection (“CAI”) solutions known as PrintRite3D for 3D advanced manufacturing technologies. Sigma Labs’ advanced, computer aided software product revolutionizes commercial additive manufacturing, enabling nondestructive quality assurance in real-time.