In 1998 Diamond became the worldwide favorite for all nuts by introducing a full line of recipe-ready culinary nuts. Through the years, Diamond was first on the scene with many innovations, including resealable zipper bags to keep nuts fresh and handy. For example, in the 1980s, the company built a cogeneration facility to cleanly and efficiently burn leftover walnut shells and provide power for the Stockton, California processing plant.
Excess electricity is sold to a local utility company.