The National Agricultural Research Organisation (NARO) aims to enhance the contribution of agricultural research to sustainable agricultural productivity, economic growth, food security and poverty eradication through generation and dissemination of appropriate technologies, knowledge and information. Maize is one of the main crop in Uganda. Therefore, it is important to have some standards regarding the storage and marketing of maize. The following technology describes the promotion of standardization and grading of maize and the essential composition of quality factors.