Included among its approximately 13,000[1] professional and student members are metallurgical and materials engineers, scientists, researchers, educators, and administrators from more than 70 countries on six continents.

The society comprises five technical divisions to program conferences, develop content for publications, and perform other activities: TMS is a major publisher in the materials community.

The society publishes seven internationally respected technical journals, as well as multiple influential roadmapping studies and reports.

In addition, each year the society publishes numerous proceedings volumes containing papers presented at society-sponsored meetings.

TMS has developed influential technology and/or roadmapping studies and reports convening experts in the minerals, metals, and materials communities.