Sigma Technologies Intl. Inc. 10960 N. Stallard Place Tucson, AZ, 85737 USA Phone: (520) 575 8013 Fax: (520) 742 0975

Plasma & Polymer Coating Systems
Contact:  Dr. Angelo Yializis

Web Coating Services
Contact:  Dr. Rick Ellwanger

Test Services
Contact:  Tom Walker

Polymer Coating and Surface Functionalization
Contact:  Dr. Michael Mikhael

All Other Information
Contact:  Dr. Angelo Yializis