Stembiso has been involved in:

• Supervising of sewer pipe laying, construction of Gabions and Reno mattresses embankment for Durban Metropolitan Municipality in KwaZulu Natal Province.
• Supervising of school and household sanitation projects for Ugu District Municipality, Uthungulu District Municipality and Umkhanyakude District 3.  Municipality in KwaZulu Natal Province.
• Implementation of Rain Water Harvesting trial project for DWAF at Tshikonelo, Venda area in Limpopo Province.
• Construction supervising of Coega Zone 2 Phase 2 Industrial Infrastructure project in Port Elizabeth, Eastern Cape Province.
• Construction supervising of roads and stormwater pipelines in Bloemendal area for Nelson Mandela Bay Municipality in Port Elizabeth, Eastern Cape Province.
• Projects contract administration, Eastern Cape Province.