| Company | State | Location | Workers | Notice date |
| TriWest Healthcare Alliance | AZ | — | 904 | 2012-12-10 |
| Cementation | AZ | Superior | 400 | 2012-12-10 |
| Umatilla Chemical Agent Disposal Facili | OR | Hermiston | 178 | 2012-12-11 |
| Sodexo | AL | Tuskegee | 124 | 2012-12-14 |
| Science Applications International | IL | O'Fallon, 604 Tyler St., Scott AFB, IL 62225 620 Pierce Blvd. | 90 | 2012-12-13 |
| Advance Auto Parts | TN | Andersonville, Anderson County | 87 | 2012-12-10 |
| MaRyan Mining | IL | Carlinville, Shay No. 1 mine 14399 Brushy Mound Road | 67 | 2012-12-14 |
| H.B. Fuller | TN | Jackson, Madison County | 38 | 2012-12-12 |
| TriWest Healthcare Alliance | AK | Statewide | 31 | 2012-12-10 |
| Caterpillar Global Minning LLC Caterpillar Global Mining Field Services | KY | — | 23 | 2012-12-11 |
| TriWest Healthcare Alliance | KS | — | 22 | 2012-12-10 |
| Hostess Brands | TN | Cookeville, Putnam County | 15 | 2012-12-13 |
| Hostess Brands | TN | Murfreesboro, Rutherford County | 14 | 2012-12-13 |
| Hostess Brands | TN | Lebanon, Wilson County | 13 | 2012-12-13 |
| TriWest Healthcare Alliance | OR | — | 7 | 2012-12-10 |