| Poly Craft Industries WARN | April 30, 2025 | 58 | — | Hauppauge, NY | — |
| Poly Craft Industries WARN | April 30, 2025 | 7 | — | Hauppauge, NY | — |
| Amneal Pharmaceuticals WARN | September 28, 2022 | 13 | — | Hauppauge, NY | — |
| Packable WARN | August 22, 2022 | 456 | — | Hauppauge, NY | — |
| BNB Bank WARN | October 28, 2020 | 31 | — | Hauppauge, NY | — |
| Space-Craft Worldwide WARN | May 20, 2020 | 113 | — | Hauppauge, NY | — |
| Crosstex International WARN | April 30, 2020 | 1 | — | Hauppauge, NY | — |
| Omega Research and Development Technology WARN | April 16, 2020 | 1 | — | Hauppauge, NY | — |
| Voxx International WARN | April 15, 2020 | 31 | — | Hauppauge, NY | — |
| JC Broderick & Associates WARN | April 8, 2020 | 41 | — | Hauppauge, NY | — |
| ClearVision Optical WARN | April 6, 2020 | 61 | — | Hauppauge, NY | — |
| W Services Group, LLC WARN | April 3, 2020 | 35 | — | Hauppauge, NY | — |
| Wilbar International WARN | April 3, 2020 | 99 | — | Hauppauge, NY | — |
| Crosstex International WARN | April 1, 2020 | 2 | — | Hauppauge, NY | — |
| Positive Promotions WARN | March 27, 2020 | 236 | — | Hauppauge, NY | — |
| Crosstex International WARN | February 26, 2020 | 2 | — | Hauppauge, NY | — |
| ViacomCBS WARN | February 26, 2020 | 3 | — | Hauppauge, NY | — |
| Crosstex International WARN | February 4, 2020 | 9 | — | Hauppauge, NY | — |
| SB Clinical Network IPA WARN | February 4, 2020 | 60 | — | Hauppauge, NY | — |
| Crosstex International WARN | November 27, 2019 | 1 | — | Hauppauge, NY | — |
| Crosstex International WARN | November 27, 2019 | 13 | — | Hauppauge, NY | — |
| Home Box Office WARN | October 11, 2019 | 2 | — | Hauppauge, NY | — |
| Crosstex International WARN | September 20, 2019 | 7 | — | Hauppauge, NY | — |
| Premier Fixtures WARN | September 11, 2019 | 44 | — | Hauppauge, NY | — |
| Home Box Office WARN | August 1, 2019 | 64 | — | Hauppauge, NY | — |
| Amneal Pharmaceuticals WARN | July 10, 2019 | 28 | — | Hauppauge, NY | — |
| Crosstex International, Inc. -Expressway Drive WARN | June 28, 2019 | — | — | Hauppauge, NY | — |
| Crosstex International WARN | June 28, 2019 | 5 | — | Hauppauge, NY | — |
| The Robert Allen Duralee WARN | February 15, 2019 | 78 | — | Hauppauge, NY | — |
| Barron's Educational Series WARN | September 17, 2018 | 62 | — | Hauppauge, NY | — |
| ArroHealth WARN | January 9, 2018 | 42 | — | Hauppauge, NY | — |
| Sterling National Bank & Astoria Bank WARN | September 26, 2017 | 1 | — | Hauppauge, NY | — |
| Binder & Binder WARN | September 12, 2017 | 100 | — | Hauppauge, NY | — |
| Kellogg Snacks WARN | April 6, 2017 | 16 | — | Hauppauge, NY | — |
| Meopta U.S.A WARN | January 5, 2017 | 42 | — | Hauppauge, NY | — |
| Samson Technologies WARN | July 8, 2016 | 26 | — | Hauppauge, NY | — |
| United Cerebral Palsy of Suffolk WARN | March 30, 2016 | 3 | — | Hauppauge, NY | — |
| Family Residences and Essential Enterprises WARN | March 25, 2016 | 15 | — | Hauppauge, NY | — |
| Festo WARN | September 24, 2015 | 33 | — | Hauppauge, NY | — |
| Festo WARN | September 24, 2015 | 42 | — | Hauppauge, NY | — |
| Catholic Health Services Home Support WARN | February 6, 2015 | 38 | — | Hauppauge, NY | — |
| Olympus Imaging America Inc. and Olympus Corporation of the Americas WARN | December 30, 2014 | 41 | — | Hauppauge, NY | — |
| Microsoft WARN | September 18, 2014 | 1 | — | Hauppauge, NY | — |
| Forest Laboratories WARN | September 5, 2014 | — | — | Hauppauge, NY | — |
| Microsoft WARN | July 17, 2014 | 32 | — | Hauppauge, NY | — |
| Spellman High Voltage Electronics WARN | November 26, 2013 | 27 | — | Hauppauge, NY | — |
| Personal Communication Devices WARN | August 22, 2013 | 78 | — | Hauppauge, NY | — |
| Personal Communication Devices WARN | August 22, 2013 | 53 | — | Hauppauge, NY | — |
| MetLife WARN | May 7, 2012 | 25 | — | Hauppauge, NY | — |
| MetLife WARN | February 2, 2012 | 55 | — | Hauppauge, NY | — |
| Innovative Global Brands WARN | January 26, 2012 | 47 | — | Hauppauge, NY | — |
| Four Paws/Central Garden & Pet WARN | September 29, 2011 | 34 | — | Hauppauge, NY | — |
| Hyatt Regency Long Island WARN | September 8, 2011 | 128 | — | Hauppauge, NY | — |
| America's Best Bottled Water DBA Waterboy WARN | September 1, 2010 | 67 | — | Hauppauge, NY | — |
| Innovative WARN | February 19, 2010 | 120 | — | Hauppauge, NY | — |
| Corwood Laboratories WARN | August 7, 2009 | 41 | — | Hauppauge, NY | — |
| Corwood Laboratories WARN | August 7, 2009 | 88 | — | Hauppauge, NY | — |
| Antares Information Technologies WARN | December 15, 2008 | 199 | — | Hauppauge, NY | — |
| Antares Information Technologies WARN | December 15, 2008 | — | — | Hauppauge, NY | — |
| City and Suburban Delivery Systems WARN | November 7, 2008 | 30 | — | Hauppauge, NY | — |
| Interpharm WARN | January 30, 2008 | 79 | — | Hauppauge, NY | — |
| Metro One WARN | January 7, 2008 | 172 | — | Hauppauge, NY | — |
| First Magnus Financial WARN | August 20, 2007 | 51 | — | Hauppauge, NY | — |
| GED Integrated Solutions WARN | January 26, 2007 | 54 | — | Hauppauge, NY | — |