W. R. Grace and Company
Overview
 
W. R. Grace and Company is a Columbia, Maryland
Columbia, Maryland
Columbia is a planned community that consists of ten self-contained villages, located in Howard County, Maryland, United States. It began with the idea that a city could enhance its residents' quality of life. Creator and developer James W. Rouse saw the new community in terms of human values, not...

, United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 based chemical conglomerate
Conglomerate (company)
A conglomerate is a combination of two or more corporations engaged in entirely different businesses that fall under one corporate structure , usually involving a parent company and several subsidiaries. Often, a conglomerate is a multi-industry company...

.

The company has two main divisions, Davison Chemicals and Performance Chemicals. The Davison unit makes chemical catalysts, refining catalysts, and silica-based products that let other companies make products from refined crude oil. Its Performance Chemicals unit makes cement
Cement
In the most general sense of the word, a cement is a binder, a substance that sets and hardens independently, and can bind other materials together. The word "cement" traces to the Romans, who used the term opus caementicium to describe masonry resembling modern concrete that was made from crushed...

 and concrete
Concrete
Concrete is a composite construction material, composed of cement and other cementitious materials such as fly ash and slag cement, aggregate , water and chemical admixtures.The word concrete comes from the Latin word...

 additives, fireproofing chemicals, and packaging sealants.
 
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