Galvotec Companies Established in 1984. GA Galvotec Alloys: Premier Sacrificial Aluminum and Zinc Anodes: GCS Galvotec Corrosion Services: Cathodic Protection Engineering, Design,and Pin Brazing Equipment: GM Galvotec Mag & Metalworks: Magnesium Anodes, Extrusions, specialty products, and precision machine shop. www.galvotec.com