Welcome to PROFIBUS & PROFINET South Africa PROFIBUS / PROFINET International Southern Africa (PISA) are custodians of the PROFIBUS and PROFINET technologies for the African Continent. PISA is made up of multiple partner companies that have joined together with the aim to promote PROFIBUS and PROFINET and give users a single access point for support, training, design, solutions and products relating to these technologies. Website: www.profiafrica.com