Isowall Southern Africa (Pty) Ltd. is a wholly owned South Africa Company. Isowall is part of a group of companies. Other Companies in the group are situated in Pinetown, Isithebe, Cape Town, Ladysmith, Walvis Bay in Namibia and Matsapha in Swaziland and Accra in Ghana.

The Focus of the group is the manufacture of expanded polystyrene in block and shape form primarily for insulation, construction and packaging and related products under the Isolite Group Name and the manufacture of structural insulated panels under the Isowall name. The Isolite group had grown since its inception in 1990 to be the dominant producer of EPS products in South Africa and the largest converter on the African continent.