| Company | State | Location | Workers | Notice date |
| Dyncorp Technical Services | AL | Daleville | 3,157 | 2003-09-29 |
| National Steel | IL | GRANITE CITY, 1951 STATE STREET | 2,700 | 2003-02-19 |
| Pfizer/Pharmacia | IL | Skokie, 4901 Searle Parkway | 1,500 | 2003-07-09 |
| Cessna | KS | — | 1,200 | 2003-04-10 |
| Goodyear Dunlop Tire | AL | Huntsville | 1,160 | 2003-10-07 |
| Sara Lee Bakery Group | AL | Fort Payne | 800 | 2003-09-12 |
| Norvergence | NJ | NEWARK/JERSEY CITY | 800 | 2003-07-01 |
| National Maunfacturing | IL | STERLING, 1 FIRST AVENUE | 710 | 2003-09-25 |
| Textron PCD | IL | ROCKFORD, 1303 SAMUELSON ROAD | 700 | 2003-10-14 |
| Bechtel Power | AL | Decatur | 686 | 2003-08-26 |
| Computer Sciences | AL | Huntsville | 667 | 2003-11-03 |
| NWS Illinois | IL | CHICAGO, 2600 WEST 35TH STREET | 630 | 2003-03-18 |
| American Airlines | IL | CHICAGO, OHARE INTERNATIONAL AIRPORT | 543 | 2003-05-01 |
| Internal Revenue Service | IL | Bloomington, 2402 E. Empire | 510 | 2003-10-28 |
| Sky Chefs | IL | CHICAGO, 511 CARGO RD, O'HARE AIRPORT | 500 | 2003-11-14 |
| Bank One | IL | CHICAGO, 300 S RIVERSIDE & 525 W MONROE | 500 | 2003-01-28 |
| Menninger Clinic | KS | — | 500 | 2003-02-18 |
| Sprint | KS | — | 493 | 2003-01-15 |
| Gold Kist | AL | Trussville | 490 | 2003-09-03 |
| American Airlines | IL | ST LOUIS, LAMBERT AIRPORT P O BOX 10098 | 456 | 2003-05-01 |