 Lockheed Martin is Speeding Production Using Melt Pool Monitoring Technology SANTA FE, NM ACCESSWIRE March 15, 2021 Sigma Labs, Inc. NASDAQ:SGLB Sigma Labs, a leading developer of quality assurance software for the commercial 3D metal printing industry, has been awarded a contract for an initial system of its PrintRite3D in-process quality assurance solution by Lockheed Martin Space Additive Design Manufacturing Center based in Sunnyvale, California. The Additive Design Manufacturing Center supports the entire Space portfolio and integrates key materials research and manufacturing processes to streamline the affordable delivery of satellite components. 