| Company | State | Location | Workers | Notice date |
| Hostess Brands | IL | Oswego, 126 Kirkland Circle, Unit A | 1,390 | 2013-02-19 |
| M & T Bank | NJ | Paramus | 356 | 2013-02-01 |
| Hemlock Semiconductor | TN | Clarksville, Montgomery County | 277 | 2013-02-07 |
| FreightCar America | IL | Danville, 2313 Cannon Street | 254 | 2013-02-08 |
| Viracon | UT | St. George | 222 | 2013-02-12 |
| KC Economic Development | AL | Shorter | 207 | 2013-02-26 |
| Eby F.A Davis | MD | 6610 Cabot Drive, Baltimore, MD 21226 | 194 | 2013-02-07 |
| Kathy Nicholl | OR | Beaverton | 174 | 2013-02-15 |
| Hess | NJ | Port Reading | 170 | 2013-02-01 |
| Contech Castings | IN | Auburn | 128 | 2013-02-21 |
| Sencient Flavors | IN | Indianapolis | 125 | 2013-02-07 |
| ARL Peoria Management | IL | Peoria, 500 Hamilton Avenue | 122 | 2013-02-01 |
| John Costigan Residential Center | IL | Streamwood, 1360 East Irving Park Road | 107 | 2013-02-12 |
| Central Parking | WA | Bellevue | 102 | 2013-02-21 |
| Tennessee Apparel | TN | Waynesboro, Wayne County | 93 | 2013-02-07 |