OMRI supports organic integrity by developing clear information and guidance about materials, so that producers know which products are appropriate for organic operations.

OMRI's printed and web version lists, and comprehensive web search, provide the organic community with accurate, current information about products and materials allowed for organic use. The current OMRI Products Lists© are available as …

The OMRI Listed® seal assures the suitability of products for certified organic production, handling, and processing under the following conditions: For certified organic farmers, the product must be included in the operator's approved Organic System (farm) Plan.

OMRI for Consumers and Educators; OMRI for Farmers and Organic Professionals; OMRI for Certifiers; OMRI for Input Suppliers

OMRI es una organización 501(c)(3) sin fines de lucro que proporciona una revisión independiente de productos, tales como fertilizantes, controladores de plagas, productos de cuidado de la salud del ganado, y numerosos otros insumos destinados a ser usados en operaciones orgánicas certificadas.

The Organic Materials Review Institute (OMRI) is an international nonprofit organization that determines which input products are allowed for use in organic production and processing. OMRI Listed® products are allowed for use in certified organic operations under the USDA National Organic Program.

The OMRI Products Lists are the most complete directories of input products for organic production and processing under the U.S. National Organic Program standards and the Canada Organic Regime standards.

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Lista de Productos OMRI. El directorio más completo de productos para la producción y procesamiento orgánico, con más de 9,000 productos "OMRI Listed®" revisados bajo los estándares del Programa Orgánico Nacional del USDA. Descargue la Lista de Productos OMRI; Ordene una copia impresa

"OMRI is a great resource to the Organic Industry especially to certifiers. I appreciate their service and encourage their growth in the industry." "OMRI is generally more objective to certain materials than other certifying agencies and only add such products to the list after policy allows it."