The Institute is a scientific-research organization with prevailing activity including: The applied and development research aimed at meeting the needs of direct beneficiaries, and The fundamental research as a basis for the applied and development research. The Institute within its activity performs the activities of development the scientific-research projects in the fields of geology, mining, metallurgy, and technology; special programs and projects of interdisciplinary character providing the technological development of scientific-research infrastructure of the interest of the Republic of Serbia, the region and local governments; research in the field of mining the deposits and processing the metallic and non-metallic minerals; research in the field of new materials, technologies, devices, equipment, environmental protection and recycling of materials. In performing of its activity, the Institute also carries out development of expertises and studies, pre-investment and investment studies and projects, investment programs, investment-technical documentation, elaborates and other investment documentation in the implementation of investment projects in the country and abroad in the field of geology, mining, metallurgy and technology of interest for the Republic, region and local government (innovation projects, business plans implemented by the small and medium-sized enterprises, etc.), as well as in the framework of activities in the field of environmental protection and ecology (recycling of waste and other materials). The Institute performs the activities of laboratory testing, arbitration and verification for the needs of public services, companies, and other institutions and organizations, as well as the activities of special production, introduction the quality system, implementation the industrial informatics and information systems, scientific-informative and library-informative documentation. The Institute carries out the activities in foreign trade turnover and services in foreign trade turnover from the scope of its activities, in accordance with the Law. MMI is equipped with the most advanced equipment for the production and characterization of the mentioned fields for equipment and accredited laboratories and about 180 full-time employees are engaged for researchers. The activities of the Institute take place within the eight organizational units: Management, Department for Legal – Personnel Affairs, Financial and Commercial Affairs, Quality System, Sector for Engineering and Designing, Sector for Laboratories, Sector for Experimental Testing of Precious Metals, Sector for Science, Sector of Incubator Centers and Workteams.