Concrete Floor Finishes, Concrete Industry, Manufacturing, Polished Concrete, Projects Concrete Polishing at Amphenol Aerospace Facility Posted on April 6, 2022 by The MJA Company The MJA Company diamond polished over 200,000 sq.ft. of concrete at the Amphenol Aerospace facility in Sidney, NY. This project also won the Industrial Polishing Award from Concrete Surfaces. #theMJAcompany #ConcretePolish Terrazzo Restoration at St. Bonaventure University Epoxy Floor Coating for Mercedes Benz of Buffalo