| Company | State | Location | Workers | Notice date |
| National Steel | IL | GRANITE CITY, 1951 STATE STREET | 2,700 | 2003-02-19 |
| Menninger Clinic | KS | — | 500 | 2003-02-18 |
| Komatsu America | IL | PEORIA, 2300 NE ADAMS | 276 | 2003-02-15 |
| Portland Steelworks | OR | PORTLAND | 270 | 2003-02-27 |
| Weyerhaeuser Plywood Facility | AL | Millport | 250 | 2003-02-26 |
| Atlas Copco Wagner | OR | PORTLAND | 210 | 2003-02-28 |
| Fleming | KS | — | 171 | 2003-02-24 |
| Kemper Insurance | IL | LONG GROVE, ONE KEMPER DRIVE | 161 | 2003-02-10 |
| Metropolitan Public Defender Services | OR | — | 138 | 2003-02-27 |
| Emporium | OR | EUGENE | 123 | 2003-02-05 |
| Verizon Wireless | KS | — | 116 | 2003-02-05 |
| Everest Connections | KS | — | 110 | 2003-02-07 |
| Rockford Powertrain | IL | Loves Park, 1200 Windsor Road | 100 | 2003-02-20 |
| Personalcare Health MGT | IL | CHAMPAIGN, 2110 FOX DRIVE | 97 | 2003-02-07 |
| Fireman's Fund Insurance | IL | CHICAGO, CUSTOMER SERVICE CENTER 200 WEST MONROE | 86 | 2003-02-10 |