Founded in Tokyo in 1690, Yamamotoyama is a family-owned company specializing in green tea and nori seaweed. Today, the Yamamoto family still serves the finest teas and nori from the same spot as the original store, and all over the world. Pomona, California is home to our state-of-the art U.S. production facility. We institute the highest level of HACCP (Hazard Analysis and Critical Control Points) and GMP (Good Manufacturing Practice) standards and certifications. We are accredited by the SQF(Safety Quality Food) Institute, and certified with the Quality Assurance International (QAI) Organic Certification and KOF-K, kosher-certified.