Sigma Labs, Inc. (Sigma) is a developer of quality assurance software for the additive manufacturing industry. Sigma is a software company that specializes in the development and commercialization of real-time computer-aided inspection solutions known as PrintRite3D for three dimensional (3D) advanced manufacturing technologies. Sigma Labs’ advanced computer-aided software product revolutionizes commercial additive manufacturing, enabling non-destructive quality assurance mid-production, uniquely allowing errors to be corrected in real-time. The Company is engaged in a range of activities in which it focuses on commercializing technologies and products in various industry sectors, such as aerospace, defense, oil and gas, bio-medical and power generation.