| Company | State | Location | Workers | Notice date |
| Zenith Electronics | IL | MELROSE PARK, 2407 WEST NORTH AVENUE | 762 | 1997-03-04 |
| Amax Coal Company - Wabash Mine | IL | KEENSBURG, PO BOX 144, BEALL WOODS RD | 611 | 1997-02-03 |
| Thermos | IL | Freeport, 1555 Illinois, Route 75 East | 520 | 1997-01-28 |
| Central Telephone Company of Illinois | IL | Park Ridge, 36 S Fairview Ave | 419 | 1997-07-28 |
| Viking Freight | IL | Des Plaines, 255 W Oakton St | 382 | 1997-03-27 |
| Prudential Helathcare Group | IL | RICHTON PARK, 4601 SAUK TRAIL | 350 | 1997-10-30 |
| Star-Kist Foods | IL | Kankakee, 1551 E Willow St | 348 | 1997-06-30 |
| Ex-Cel Industries | IL | Rockford, 1400 Eddy Ave | 330 | 1997-03-03 |
| Matsushita Microwave Oven | IL | FRANKLIN PARK, 9333 W GRAND AVENUE | 300 | 1997-04-25 |
| Van Den Bergh Foods | IL | LISLE, 2200 CABOT DRIVE | 279 | 1997-01-20 |
| Byerly's | IL | HIGHLAND PARK, 1919 SKOKIE VALLEY ROAD | 270 | 1997-03-04 |
| Arrow Transportation | OR | Portland | 267 | 1997-09-05 |
| Home Innovations | IL | LAKE ZURICH, 650 N CHURCH STREET | 265 | 1997-11-14 |
| Washington National Corporation (del) | IL | Lincolnshire, 300 Tower Pkwy | 244 | 1997-12-15 |
| Hillsboro Glass | IL | HILLSBORO, P. O. BOX 430 | 237 | 1997-08-22 |
| Dept.Of Mental Health and Developmental Disabilities | IL | CHICAGO, 1601 W. TAYLOR | 230 | 1997-04-02 |
| Uno-Ven | IL | Arlington Heights, 3850 N Wilke Rd | 229 | 1997-01-28 |
| Lane Plywood | OR | Eugene | 225 | 1997-09-22 |
| Schering-Plough Animal Health | IL | MUNDELEIN, 421 E HAWLEY ST | 217 | 1997-07-11 |
| Byerly's | IL | SCHAUMBURG, 1293 EAST HIGGINS ROAD | 214 | 1997-03-04 |