Ingredients Solutions, Inc. (ISI) is "The World's Largest Independent Supplier of Carrageenan" offering a full range of Natural and Organic-Allowed products from multiple manufacturing sites for reliable supplies, the most complete product line, and the best values in the industry.ISI provides complete technical support from our R&D center in Waldo, Maine. Our staff has nearly 200 years combined experience in carrageenan and other specialty hydrocolloids. Our product line also includes Xanthan Gums, Sodium Alginates, and TextuRite? Texture Systems.