| Company | Location |
|---|---|
| ElectroChemical Systems Inc. | Ridgewood, New Jersey, United States |
| Electroglas Inc. | San Jose, California, Israel |
| Electron Power Systems Inc. | Acton, Massachusetts, United States |
| Elementis Specialties Inc. | Hightstown, New Jersey, United States |
| Elite Engineering | Camarillo, California, United States |
| Elmicron AG | Zug, Switzerland |
| ELMOS Semiconductor AG | Dortmund, Switzerland |
| ELO Technologies Inc. | Torrance, California, United States |
| Elsevier | New York, New York, United States |
| Eltron Research Inc. | Boulder, Colorado, United States |
