Founded in December 1994, Metalast International, LLC (MILLC) was a "green" metal finishing technology company that provided its customers with a wide range of R&D, technical support services, process control computers and more than one hundred (100) metal finishing specialty chemicals serving the aluminum anodizing and corrosion control industry.  Its founder and MILLC manager for 20 years (1993 to 2013) was David M. Semas (Semas), Chairman of Metalast International, Inc. (MII), incorporated in May 1994. Beginning in 2004 MILLC became a licensee of the United States Naval Air System Command (NAVAIR) and was one (1) of three (3) companies licensed (MILLC, Henkel and SurTec) to bring to market and commercialize Navy TCP (Trivalent Chromium Process). Navy TCP is a patented environmentally friendly chromate conversion coating replacement to the known carcinogen hexavalent chromium, made famous in the movie "Erin Brockovich.”​​

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"METALAST® is a federally registered trademark owned exclusively by David M. Semas. Since June 10, 2015, no person or company has been licensed or authorized to use, reference, or describe any product or formulation as “formerly METALAST®.” Any such representation is unauthorized and may constitute trademark infringement or false designation of origin. To review the official court rulings and the documented history of the METALAST® brand, click below."