EngisLeaders in Innovative Superabrasive Finishing Systems. We help achieve maximum profits by lowering your production costs utilizing the Engis full systems approach. Our Diamond-based surface engineering systems are enabling global technology and manufacturing ﬁfirms to expand the frontiers of innovation by applying our diamond expertise to each application through our Diamond Characterization Laboratory. Engis is an innovator and renowned for our superior reliability, quality, and consistency of diamond grit. It is made possible by our ISO9001:2008 quality certified facilities where we micronize our diamond. That tradition is continued around the world by the Engis Group of Companies to this day.