| Company | State | Location | Workers | Notice date |
| General Motors | NJ | LINDEN | 950 | 2004-12-01 |
| Sanofi-Aventis | NJ | BRIDGEWATER | 689 | 2004-12-01 |
| Hamilton Sundstrand | IL | Rockford, 4747 Harrison Avenue | 269 | 2004-12-23 |
| Capital One | WA | Federal Way | 256 | 2004-12-22 |
| Champion Homes of Boaz (Chandeleur Homes) | AL | Boaz | 180 | 2004-12-29 |
| BP America | IL | Naperville, 150 West Warrenville Road | 143 | 2004-12-03 |
| Flying Food Fare Midway | IL | Chicago, 5370 S Cicero Avenue | 106 | 2004-12-13 |
| E.R. Moore | IL | Chicago, 1810 W. Grace St. | 102 | 2004-12-01 |
| Performance Trans | NJ | LINDEN | 97 | 2004-12-01 |
| Alzheimer's Center of Kansas City | KS | — | 92 | 2004-12-27 |
| Rutherford Machinery | NJ | E. RUTHERFORD | 86 | 2004-12-01 |
| Johnson Controls | NJ | DAYTON | 82 | 2004-12-01 |
| Ace Hardware Reprographics | IL | Downers Grove, 1528 Brook Drive | 64 | 2004-12-14 |
| Aramark Uniform Services | IL | Decatur, 1050 E. Grand Ave. | 62 | 2004-12-17 |
| Corixa | WA | Seattle | 60 | 2004-12-13 |