| 99838103 | CEL | Chicopee Municipal Lighting Plant | — |
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| 99838091 | CEL | Chicopee Municipal Lighting Plant | — |
| 99850638 | CEL | Collectible Eternity Labs LLC | — |
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| 99838084 | CEL | Chicopee Municipal Lighting Plant | — |
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| 78088650 | CEL | California Eastern Laboratories, Inc. | 2711391 |
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| 73569137 | CEL | CAROLINA ENGINEERING LABORATORIES | 1400204 |
| 73281906 | CEL | California Eastern Laboratories, Inc. | 1195930 |
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