W.R. Grace and Company is an American chemical conglomerate based in Columbia, Maryland. Grace is divided into two business segments: Grace Catalysts Technologies and Grace Materials Technologies. Grace is a specialty chemicals and specialty materials company. As of December 31, 2017, it has approximately 3,700 employees, with about 1,900 in the United States and 1,000 in Germany. In 2017, the annual sales is US $ 1.72 billion.