About Darling Ingredients IRVING, Texas--(BUSINESS WIRE)--Darling Ingredients Inc. (NYSE: DAR) today announced the signing of a definitive agreement with Tessenderlo Group (XBRU: TESB) to combine the collagen and gelatin segments of their companies into a new company, requiring no cash or initial investment from either party. This strategic partnership aims to create a top-tier, collagen-based health, wellness and nutrition products company positioned to capitalize on global collagen growth. Darling Ingredi ...