| ICD National Office | 1300 E 85th Ave, Merrillville, IN 46410, USA | |
| USW/AK Steel-Ashland | Ashland, KY, USA | |
| USW/ATI Metals-Latrobe | Latrobe, PA 15650, USA | |
| USW/ATI Metals - Louisville | Louisville, OH 44641, USA | |
| USW/ATI Metals - Midland | Midland, PA, USA | |
| USW/ATI Metals - New Bedford | E Rodney French Blvd, New Bedford, MA 02744, USA | |
| USW/ATI Metals - Waterbury | Waterbury, CT, USA | |
| USW/ATI Metals - Brackenridge | Brackenridge, PA, USA | |
| USW/ATI Metals - Albany Ops | Albany, OR, USA | |
| USW/ATI Metals - Millersburg | Millersburg, OR 97321, USA | |
| USW/ATI-Lockport | Lockport, NY 14094, USA | |
| USW/ArcelorMittal-Burns Harbor | Burns Harbor, IN, USA | |
| USW/ArcelorMittal-Cleveland | Cleveland, OH, USA | |
| USW/ArcelorMittal-Coatesville | Coatesville, PA 19320, USA | |
| USW/ArcelorMittal-Conshohocken | Conshohocken, PA 19428, USA | |
| USW/ArcelorMittal - I/N Tek & I/N Kote | New Carlisle, IN 46552, USA | |
| USW/ArcelorMittal - Indiana Harbor East | East Chicago, IN, USA | |
| USW/ArcelorMittal - Indiana Harbor West | East Chicago, IN, USA | |
| USW/Bayou Steel - LaPlace | Laplace, LA, USA | |
| USW/ArcelorMittal - Steel Mining | Virginia, MN, USA | |
| USW/ArcelorMittal - Riverdale | Riverdale, IL, USA | |
| USW/ArcelorMittal - Steelton | Steelton, PA, USA | |
| USW/ArcelorMittal - Warren | Warren, OH, USA | |
| USW/ArcelorMittal - Weirton | Weirton, WV 26062, USA | |
| USW/BFGoodrich - Fort Wayne | Elm St, Woodburn, IN 46797, USA | |
| USW/BFGoodrich - Tuscaloosa | Culver Rd, Tuscaloosa, AL 35401, USA | |
| USW/Bridgestone Americas - Akron | Akron, OH, USA | |
| USW/Bridgestone Americas -- Bloomington | Bloomington, IL, USA | |
| USW/Bridgestone Americas - Des Moines | Des Moines, IA, USA | |
| USW/Bridgestone Americas - LaVergne | La Vergne, TN, USA | |
| USW/Bridgestone Americas - Russellville | Russellville, AR, USA | |
| USW/Bridgestone Americas - Warren County | Morrison, TN 37357, USA | |
| USW/Corning - Blacksburg | Blacksburg, VA, USA | |
| USW/Sumitomo - Buffalo | Tonawanda, NY 14150, USA | |
| USW/Goodyear - Danville | Danville, VA, USA | |
| USW/Goodyear - Fayetteville | Fayetteville, NC, USA | |
| USW/Goodyear - Gadsden | Gadsden, AL, USA | |
| USW/Goodyear - Topeka | Topeka, KS, USA | |
| USW/Republic Steel - Canton | Canton, OH, USA | |
| USW/Republic Steel - Lackawanna | Lackawanna, NY, USA | |
| USW/U.S. Steel-Republic - Lorain | Lorain, OH, USA | |
| USW/TetraPak - Vancouver | Vancouver, WA, USA | |
| USW/U.S. Steel - Clairton | Clairton, PA, USA | |
| USW/U.S. Steel - Irvin | Irwin, PA 15642, USA | |
| USW/U.S. Steel - Fairfield | Fairfield, AL, USA | |
| USW/U.S. Steel - Fairless | Fairless Hills, PA, USA | |
| USW/U.S. Steel - Granite City | Granite City, IL, USA | |
| USW/U.S. Steel - Great Lakes | Ecorse, MI, USA | |
| USW/U.S. Steel - Midwest | Portage, IN, USA | |
| USW/U.S. Steel - Minnesota Ore | Mountain Iron, MN, USA | |
| USW/U.S. Steel - Keewatin | Keewatin, MN, USA | |
| USW/USS-POSCO | Pittsburg, CA, USA | |
| USW/ContiTech - Lincoln | Lincoln, NE, USA | |
| USW/ContiTech - Marysville | Marysville, OH 43040, USA | |
| USW/ContiTech - St. Mary's | St Marys, OH 45885, USA | |
| USW/ContiTech - Sun Prairie | Sun Prairie, WI 53590, USA | |
| USW/MacLean | Pelham, AL, USA |
