Sigma Labs Inc. (NASDAQ:SGLBW) operates as Sigma Additive Solutions Inc., a provider of in-process quality assurance software for the additive manufacturing industry; its core offerings include the PrintRite3D platform, an integrated hardware and software edge computing system that enables real-time inspection, feedback, data collection, and critical analysis of defects and anomalies during 3D metal and polymer printing processes; specific modules feature PrintRite3D Direct Energy Deposition for metal parts, PrintRite3D Selective Laser Sintering for polymers, and supporting software such as INSPECT, CONTOUR, and ANALYTICS for metallurgical and geometric quality monitoring. The company targets aerospace, defense, oil and gas, bio-medical, and power generation sectors with platform-independent solutions that reduce waste, increase yield, and shorten cycle times across diverse 3D printers and processes. Founded in 1985 and originally incorporated as Framewaves Inc. before renaming to Sigma Labs Inc. in 2010 and transitioning to Sigma Additive Solutions in 2022, it maintains headquarters in Santa Fe, New Mexico, and employs approximately 25-33 staff. Recent developments include a 2023 reverse merger acquisition by NextTrip Holdings Inc., reflecting a strategic shift toward broader integration of its IPQA technology; earlier initiatives encompassed a 2022 rebranding and ticker change to SASI on Nasdaq Capital Market to align with scaled production deployments, alongside partnerships like those with AMFG for manufacturing execution enhancements and Aconity3D for revenue expansion; the firm also introduced a subscription-based model in 2022 targeting $65M annual revenue by 2025 through wider adoption on thousands of printers.