Portfolio Business. . Huber Engineered Materials. Miller Chemical and Fertilizer, LLC, a J.M. Huber Company is a global leader in the manufacture and distribution of crop adjuvants, plant growth regulators, nutritional fertilizers, and specialty agrochemicals with an 81-year heritage. J.M. Huber Corporation is one of the largest privately held, family-owned companies in the United States. Established in 1883, we are a diversified, global supplier...