| Company | State | Location | Workers | Notice date |
| US Cellular | IL | Bolingbrook, 245 Crossroads Parkway, Unit A | 492 | 2012-11-07 |
| Bristol Myers Squibb | NJ | Plainsboro | 479 | 2012-11-01 |
| Virtua Medical Group | NJ | Marlton | 445 | 2012-11-01 |
| Willow Lake Mine | IL | Equality, 420 Long Lane Road | 408 | 2012-11-27 |
| Hamilton Park Health Care Center | NJ | Jersey City | 400 | 2012-11-01 |
| Northrop Grumman | CT | Norwalk | 297 | 2012-11-05 |
| General Dynamics-Land Systems | AL | Anniston | 252 | 2012-11-08 |
| Clyde's of Columbia and the Tomato Palace Restaurants | MD | 10221 Wincopin Circle, Columbia, MD | 195 | 2012-11-01 |
| Rock Mountain Mining | AL | Bessemer | 187 | 2012-11-26 |
| ProPark | CT | New Haven | 186 | 2012-11-20 |
| World Kitchen | IL | Monee, 5800 West Industrial Drive | 180 | 2012-11-16 |
| Katana Summit | NE | Columbus | 178 | 2012-11-21 |
| Teleflex | NJ | Lumberton | 153 | 2012-11-01 |
| Heartland Catfish | AL | Greensboro | 150 | 2012-11-05 |
| PCCW Teleservices (US) | IL | Quincy, 1400 N 30th, Suite 16 | 139 | 2012-11-16 |