GAF Corporation, 50 Lowry Ave N, Minneapolis, MN 55412, US

Powder Technology Incorporated is a materials processing company with expertise in the total spectrum of particle modification and specialization in pulverization, size reduction, classification, screening and blending. Since the company founding in 1980, PTI has focused on meeting and exceeding customer needs and expectations through expanding expertise and broadened capabilities in materials modification and treatment. This focus has produced incremental growth and positioning as an industry leader. In addition to the Minnesota processing plant, which specializes in the processing and analysis of dry materials, PTI has ownership interest in one other custom processor which enhances its processing capacity in particulate materials processing using spray drying, prilling, grinding, coating and micro-encapsulation technologies