| Cadence Education WARN | September 10, 2024 | 21 | — | Farmingdale, NY | — |
| The Beverage Works NY WARN | May 31, 2024 | 44 | — | Farmingdale, NY | — |
| Unilever Manufacturing WARN | November 8, 2023 | 2 | — | Farmingdale, NY | — |
| Enzo Clinical Labs WARN | April 20, 2023 | — | — | Farmingdale, NY | — |
| Enzo Clinical Labs WARN | April 20, 2023 | 175 | — | Farmingdale, NY | — |
| MC Packaging WARN | March 31, 2022 | 88 | — | Farmingdale, NY | — |
| Peloton Interactive WARN | February 8, 2022 | 62 | — | Farmingdale, NY | — |
| Schwing Electrical Supply WARN | April 30, 2020 | 35 | — | Farmingdale, NY | — |
| Houlihan's Farmingdale, LLC dba Houlihan's – Farmingdale WARN | April 8, 2020 | 85 | — | Farmingdale, NY | — |
| J.M. Haley WARN | March 31, 2020 | 44 | — | Farmingdale, NY | — |
| Karako of Farmingdale WARN | March 20, 2020 | — | — | Farmingdale, NY | — |
| Orlandi WARN | March 19, 2020 | 63 | — | Farmingdale, NY | — |
| Allen Boulevard WARN | March 18, 2020 | 18 | — | Farmingdale, NY | — |
| Long Island Custom Windows LLC dba Renewal by Anderson of Long Island WARN | January 30, 2020 | 35 | — | Farmingdale, NY | — |
| Nestle WARN | August 16, 2019 | 39 | — | Farmingdale, NY | — |
| Sterling National Bank WARN | January 23, 2018 | 2 | — | Farmingdale, NY | — |
| Sabra Dipping WARN | February 16, 2017 | 22 | — | Farmingdale, NY | — |
| PCX Aerostructures WARN | November 19, 2015 | 12 | — | Farmingdale, NY | — |
| Forest Laboratories WARN | September 5, 2014 | — | — | Farmingdale, NY | — |
| ProSource Technologies WARN | April 10, 2014 | 132 | — | Farmingdale, NY | — |
| K-Corr WARN | November 13, 2013 | 166 | — | Farmingdale, NY | — |
| Raybern Capital WARN | November 13, 2013 | 180 | — | Farmingdale, NY | — |
| OSI Pharmaceuticals WARN | May 14, 2013 | 96 | — | Farmingdale, NY | — |
| Bed Bath & Beyond WARN | June 12, 2012 | 68 | — | Farmingdale, NY | — |
| St. John Baptist de LaSalle Regional School WARN | April 2, 2012 | 22 | — | Farmingdale, NY | — |
| Prestige Maintenance USA Target Department Store #1866 WARN | July 25, 2011 | 3 | — | Farmingdale, NY | — |
| Waldbaum's Store #428 a division of A & P WARN | February 23, 2011 | 90 | — | Farmingdale, NY | — |
| Sabra Dipping WARN | April 15, 2010 | 35 | — | Farmingdale, NY | — |
| Printpack WARN | April 5, 2010 | 109 | — | Farmingdale, NY | — |
| OSI Pharmaceuticals WARN | December 28, 2009 | 8 | — | Farmingdale, NY | — |
| Seal-It WARN | September 10, 2009 | 42 | — | Farmingdale, NY | — |
| Seal-It WARN | June 15, 2009 | 57 | — | Farmingdale, NY | — |
| IWCO Direct WARN | October 22, 2007 | 183 | — | Farmingdale, NY | — |