Necsa is the South African Nuclear Energy Corporation SOC Limited, mandated to lead research and development in the field of nuclear energy and radiation sciences. They specialize in processing source material, including uranium enrichment, and collaborate with institutions worldwide for nuclear development and socio-economic growth. With a focus on applied R&D and the commercial application of nuclear technology, Necsa works towards enhancing skills in science and technology.

As a global leader, their mission is to safely utilize nuclear, radiation, and related technologies to make a socio-economic impact in diverse markets while prioritizing environmental responsibility. Necsa operates the SAFARI-1 research reactor in Pelindaba and manages the Vaalputs National Radioactive Waste Disposal Facility. Additionally, they have commercial subsidiaries, NTP Radioisotopes SOC Ltd and Pelchem SOC Ltd, that supply radiation-based products and fluorine-based products, respectively, to local and foreign markets.

With its origins dating back to 1944, Necsa has been at the forefront of nuclear research in South Africa, contributing to technological advancements and national development