REPCO currently manufactures over 80 different types of Enrichment Concentrate premixes. Typically, these premixes are added to flour as it is processed or transferred. REPCO Enrichment Concentrates can be manufactured to contain any combination of vitamins and minerals packaged to suit your needs. QUALITY INGREDIENTS. Respected globally, REPCO is proud to provide over half of the vitamin blends used by America’s flour mills and in over 46 countries worldwide. Utilizing clean, simple world-class ingredients and state-of-the-art equipment, REPCO is positioned to meet your blending requirements while providing the highest degree of service, reliability and outstanding customer support. More