This study analyze the contribution of supply chain management in the Success of Commercial Companies in Burundi. The interest for the researcher is to examine supply chain management practice at SOSUMO as a Para-governmental company; to ascertain the effect or influence of supply chain management practice to SOSUMO performance and to make recommendations for improvements.For the first research, we found at 80, 7% that SOSUMO's Supply Chain practice is noticeable through some initiatives. second research, the respondents gave indicators of the impact of SCM practices on performance, namely: staff members are able to determine environmentally friendly goods, suppliers now part of SOSUMO in terms of supply chain management, supplements have helped SOSUMO to prepare specifications for supply chain management, suppliers provide goods before payment, there is a joint planning between customers and suppliers, there is an improvement in service delivery, there is improvement in decisionmaking.