| Company | State | Location | Workers | Notice date |
| ST. Joseph's Hospital | IL | ALTON, 915 EAST FIFTH STREET | 350 | 1989-04-07 |
| Weber-Stephens Products | IL | PALATINE, 200 EAST DANIELS ROAD | 200 | 1989-04-21 |
| Teleaction | IL | SCHAUMBURG, 1750 EAST GOLF ROAD | 164 | 1989-04-14 |
| Sparton Manufacturing | IL | FLORA, OLD US HWY 50W PO BOX 399 | 121 | 1989-04-17 |
| Reliance Electric / Utility Products | IL | FRANKLIN PARK, 11333 ADDISON STREET | 91 | 1989-04-25 |
| Charles Schwab | IL | CHICAGO, ONE FINANCIAL PLACE | 87 | 1989-04-18 |
| Dynaflex Division of Cartex | IL | Addison, 410 Factory Road | 81 | 1989-04-28 |
| Portec | IL | LISLE, 4500 WESTERN AVENUE | 55 | 1989-04-20 |
| PPG Industries | IL | LINCOLN, 1119 NORTH KICKAPOO STREET | 48 | 1989-04-21 |
| Dupont Critical Care | IL | WAUKEGAN, 1600 WAUKEGAN ROAD | 45 | 1989-04-03 |