| Company | State | Location | Workers | Notice date |
| Comair | KY | Kenton | 1,662 | 2001-05-21 |
| Northwestern Steel and Wire | IL | STERLING, 121 WALLACE ST BOX 618 | 1,400 | 2001-05-18 |
| Sappi | AL | Mobile | 500 | 2001-05-07 |
| Epson Portland | OR | HILLSBORO | 462 | 2001-05-15 |
| Alcatel Submarine Networks | OR | PORTAND | 443 | 2001-05-29 |
| JC Penney Catalog Customer Service | IL | BUFFALO GROVE, 1120 LAKE COOK ROAD | 346 | 2001-05-04 |
| Tyco Electronics | OR | WHITE CITY | 332 | 2001-05-04 |
| Mariah Boats | IL | BENTON, 10231 SUGAR CREEK P O BOX 1300 | 300 | 2001-05-23 |
| Standard Register | IL | WATSEKA, 255 WEST FLEMING STREET | 269 | 2001-05-18 |
| Marriott Vacation Club International | IL | OAK BROOK, CHICAGO CALL CENTER 2625 BUTTERFIELD ROAD #208e | 260 | 2001-05-10 |
| Glenayre Electronics | IL | QUINCY, ONE GLENAYRE WAY | 238 | 2001-05-22 |
| SPX/Marley Cooling Tower | KY | Jefferson | 210 | 2001-05-29 |
| QPF | IL | STREAMWOOD, 601 EAST LAKE STREET | 203 | 2001-05-03 |
| Perm Cast Foundry, Subsidiary of Grede Foundries | KY | Harrison | 200 | 2001-05-16 |
| PSW Industries | IL | CHICAGO, 3912 WEST MCLEAN AVENUE | 200 | 2001-05-25 |