| Communications Test Design, Inc. | Layoff | CA | Rialto | 83 | Oct 1, 2024 | Dec 2, 2024 | |
| Communications Test Design, Inc. | -- | IL | Elgin | 137 | Dec 14, 2021 | -- | |
| Communications Test Design, Inc. | Closure | CA | Lincoln | 49 | Aug 3, 2020 | Oct 10, 2020 | |
| Communications Test Design, Inc. | Layoff | CA | Lincoln | 128 | Oct 3, 2019 | Dec 6, 2019 | |
| Communications Test Design, Inc | -- | TN | Nashville | 9 | Jun 26, 2012 | Nov 15, 2011 | |