These companies extract resources from the earth in order to produce the base materials (aggregates) used in the production of concrete and other construction materials, like slate, granite, sand, gravel, and clay.

These companies produce pharmaceutical intermediates, which are complex building blocks used in producing Active Pharmaceutical Ingredients.

These companies manufacture plastic and sell directly to their customers.

These companies produce lithium that is incorporated into electric automobile (consumer passenger car) batteries.

These companies produce structural additives that are incorporated into a variety of polymers. These additives are used to enhance certain structural properties of polymers (i.e. become less brittle at room temperature, change the color of a plastic, or use a cheaper filler than the actual, more expensive plastic compound). Examples of these chemicals include plasticizers, fillers, and colorants.

These companies produce diversified chemicals, such as solvents, additives, adhesives, and plastics.