Counts cover the free tier, no delay of the normalized US WARN dataset (by notice date); notices that surface later are added retroactively. Worker totals sum only notices that published a headcount.
| Company | State | Location | Workers | Notice date |
|---|---|---|---|---|
| GM - Lake Orion Assembly Plant | MI | Lake Orion | 2,801 | 2009-06-01 |
| Cessna | KS | — | 2,800 | 2009-01-29 |
| Micron Technology | ID | Boise | 2,000 | 2009-02-23 |
| United States Steel | AL | Fairfield | 1,711 | 2009-05-08 |
| Aramark Sports | NJ | E. RUTHERFORD | 1,689 | 2009-10-01 |
| Caterpillar | IL | Decatur, 27th & Pershing Rd. | 1,490 | 2009-02-03 |
| Monaco Coach | OR | Coburg | 1,396 | 2009-03-02 |
| Navistar | IN | Indianapolis | 1,336 | 2009-02-19 |
| Cessna | KS | — | 1,300 | 2009-04-29 |
| Continental Automotive Systems US | AL | Huntsville | 1,281 | 2009-08-31 |
| GM - Lansing Delta Township | MI | Lansing | 1,246 | 2009-01-26 |
| Microsoft | WA | Redmond | 1,200 | 2009-05-05 |
| Caterpillar | IN | Lafayette | 985 | 2009-05-15 |
| ArcelorMittal | IN | East Chicago | 978 | 2009-05-12 |
| Microsoft | WA | Redmond | 872 | 2009-01-23 |
| Wabash National | IN | Lafayette | 790 | 2009-05-01 |
| Boeing | WA | Puget Sound | 781 | 2009-02-25 |
| Caterpillar | IL | East Peoria, 100 Sanford Street | 758 | 2009-01-30 |
| AK Steel | KY | — | 750 | 2009-05-13 |
| BorgWarner | IN | Muncie | 750 | 2009-02-11 |
| Month | Notices | Workers affected |
|---|---|---|
| January 2009 | 117 | 20,785 |
| February 2009 | 118 | 20,397 |
| March 2009 | 180 | 17,552 |
| April 2009 | 78 | 9,227 |
| May 2009 | 117 | 17,450 |
| June 2009 | 97 | 14,350 |
| July 2009 | 69 | 6,116 |
| August 2009 | 73 | 7,270 |
| September 2009 | 40 | 3,568 |
| October 2009 | 60 | 8,618 |
| November 2009 | 47 | 5,407 |
| December 2009 | 41 | 5,488 |
| State | Notices | Workers affected |
|---|---|---|
| Illinois (IL) | 154 | 21,793 |
| Michigan (MI) | 163 | 21,547 |
| Indiana (IN) | 121 | 19,545 |
| New Jersey (NJ) | 129 | 16,080 |
| Alabama (AL) | 115 | 14,215 |
| Washington (WA) | 72 | 10,496 |
| Kansas (KS) | 50 | 8,858 |
| Kentucky (KY) | 82 | 7,165 |
| Oregon (OR) | 54 | 6,693 |
| Idaho (ID) | 15 | 2,967 |
| Delaware (DE) | 25 | 2,516 |
| Utah (UT) | 19 | 2,072 |
| Rhode Island (RI) | 17 | 1,378 |
| South Dakota (SD) | 9 | 903 |
| Oklahoma (OK) | 12 | 0 |
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