| | Metalplate Galvanizing LP (Atlanta, GA) Hot dip galvanizing service | |
| | Midwest Galvanizing Inc (Chicago, IL) Galvanizing service | |
| | Neville Galvanizing Inc (Pittsburgh, PA) Hot dip zinc galvanizing | |
| | Ohio Galvanizing Corp (Marion, OH) Hot dip galvanizing service | |
| | Olson Industries (Carnegie, PA) Industrial furnaces for heat treating, reheating & galvanizing metal products | |
| | Pittsburgh-Canfield Corp (Canfield, OH) Steel processing & hot dip galvanizing | |
| | Plateco Inc (Reedsburg, WI) Barrel & rack zinc electroplating; mechanical galvanizing; mechanical plating: zinc, tin-zinc, copper | |
| | Protec Coating Co (Leipsic, OH) Hot dip steel galvanizing | |
| | Quick Tanks Inc (Kendallville, IN) Contract galvanizing; galvanized & epoxy lined steel tanks | |
| | Reliable Galvanizing Co (Chicago, IL) Hot dip galvanizing services | |
| | Rogers Brothers Galvanizing Co (Rockford, IL) Hot dip galvanizing | |
| | Steel Dynamics Inc (Butler, IN) Cold rolled ultra thin steel & hot-mill steel; galvanizing | |
| | V & S Cattie Galvanizing Inc (Philadelphia, PA) Hot dip galvanizing | |
| | Voigt & Schweitzer Galvanizers (Redford, MI) Hot dip galvanizing | |
| | Walbridge Coatings Inc (Walbridge, OH) Electro galvanizing | |
