| ID | Name | Type |
|---|---|---|
| #17256 | Electronic Services | R |
| #17257 | Electronic Systems Services | R |
| #4328 | Electronic Zoo | Z |
| #17258 | Electronica | I |
| #4329 | Electronics+Co Puting | Z |
| #4330 | Electrotech | Z |
| #22054 | Elegor | P |
| #4331 | Elektor Verlag | ? |
| #4332 | Elektra Personal Computer Software | Z |
| #4334 | Elektuur | ? |
| #4335 | Elena Santamaria Palacios | + |
| #22306 | Elena Star | + |
| #4336 | Elephant | ? |
| #4337 | Elephant Software [Berkshire] | P |
| #4518 | Elephant Software [Lancashire] | P |
| #4338 | Elettronica CS | Z |
| #4339 | Elf | ? |
| #4340 | Elfin Software Ltd | Z |
| #4341 | Elinca Products Ltd | Z |
| #19552 | Eliot Groves | + |