Green Belt Carriers is in the business of supplying soil ammendments and compost that has been certified by the Organic Materials Review Institute (OMRI). Green Belt is also included on the UC Davis USDA's National Organic Program (NOP) which encourages the use of compost to maintain healthy soil. Green Belt is also a part of a national network of Quick Transport Solutions, which carries freight and is doing its best to reduce oil consumption and greenhouse gas emissions.