| Company | State | Location | Workers | Notice date |
| Wachovia | AL | Birmingham | 1,714 | 2004-11-24 |
| Mitsubishi Motor Manufacturing | IL | NORMAL, 100 N MITSUBISHI MOTORWAY | 1,200 | 2004-07-22 |
| West Telemarketing | AL | Huntsville | 1,081 | 2004-08-20 |
| Archibald Candy | IL | CHICAGO, 1137 W JACKSON BLVD AND 5360 S CICERO AVENUE | 1,073 | 2004-01-15 |
| Chicago Transit Authority | IL | Chicago, 567 West Lake Street | 1,050 | 2004-10-27 |
| Sprint | IL | Bolingbrook, 245 Crossroads Parkway | 1,029 | 2004-06-04 |
| Airborne Express | WA | Seattle | 1,000 | 2004-03-30 |
| Oregon Arena | OR | PORTLAND | 976 | 2004-11-01 |
| General Motors | NJ | LINDEN | 950 | 2004-12-01 |
| Continental Tire North America Incorporated Mayfield Plant | KY | Graves | 915 | 2004-07-02 |
| TeleTech | KS | — | 790 | 2004-01-27 |
| Archibald Candy | IL | CHICAGO, 1137 W JACKSON BLVD AND 5360 S CICERO AVENUE | 782 | 2004-01-05 |
| World Color Press ( Quebecor ) | IL | Effingham, P. O. Box 1248 | 742 | 2004-03-10 |
| USA Healthcare | AL | Cullman | 700 | 2004-06-25 |
| USA Healthcare | AL | Cullman | 700 | 2004-03-01 |
| Sanofi-Aventis | NJ | BRIDGEWATER | 689 | 2004-12-01 |
| J.R. Simplot | WA | Quincy | 606 | 2004-03-19 |
| CASE | IL | EAST MOLINE, 1100 3RD STREET | 571 | 2004-04-30 |
| MCI | KS | — | 566 | 2004-06-25 |
| Werner | AL | Anniston | 530 | 2004-02-17 |