This document introduces GAP-OSMTM, an operating system for manufacturing developed by Gilard Application Programmers. GAP-OSM covers all primary, secondary, and tertiary manufacturing processes. It includes modules for sales, purchasing, inventory, finance, quality assurance, human resources, and more. The system provides real-time data integration across modules. It has been successfully implemented and can be customized for different industries. GAP-OSM aims to bring all manufacturing functions together in a single digital system to improve productivity, quality, and business practices.