According to the focal objective of Thai Metal Trade Public Company Limited (TMT), to develop knowledge and skills of TMT’s staffs at all levels in steel structural behaviors and its applications, IMMS was assigned to provide the seminars, of which the topics include the overview of steel structure, material and chemical properties, steel testing procedures, behaviors under various types of loadings, types of connections, product development, company’s SWOT analysis, activities on related seminar topics, as well as, participants’ evaluations.