Producers of limestone and other minerals that are ground to 97 percent minus 100 mesh and finer. The Pulverized Minerals Division (PMD) promotes continuous improvement in the manufacturing process, product marketing, and sales of finely ground industrial mineral products. PMD also advances the market growth of the industry through product research.

If your company is already a Producer member and produces pulverized minerals as well, NSSGA will waive the fee for PMD renewal.