| Eagle Scandinavia Aps | 7100 | Vejle |
| EBI A/S | 2610 | Rødovre |
| Eco2clean ApS | 7800 | Skive |
| EDGE-TEAM A/S | 8250 | Egå |
| Egatec A/S | 5250 | Odense SV |
| Ege-Elektronik Specialsensorer ApS | 6200 | Aabenraa |
| El-Pro A/S | 6851 | Janderup |
| Elcor Sønderborg N A/S | 6400 | Sønderborg |
| Electro Care | 2860 | Søborg |
| Elektror Airsystems ApS | 3320 | Skævinge |
| Eltech Solutions A/S | 2765 | Smørum |
| Emil Nielsens Smedeværksted A/S | 2820 | Gentofte |
| Endotest A/S | 4000 | Roskilde |
| Engskov Maskinfabrik A/S | 4100 | Ringsted |
| Ensinger Danmark | 4100 | Ringsted |
| Enterprise Europe Network | 9220 | Aalborg Ø |
| Envotherm A/S | 7200 | Grindsted |
| Erik Larsen & Søn | 2600 | Glostrup |
| ES Stålindustri | 7480 | VILDBJERG |
| ESAB A/S | 6000 | Kolding |
| ETA Danmark A/S | 2150 | Nordhavn |
| Ewellix AB | 433 21 | Partille |
| EXPO-NET Danmark A/S | 9800 | Hjørring |
| Exposervice ApS | 3460 | Birkerød |
| Esbjerg Galvanoindustri ApS (EGI ApS) | 6700 | Esbjerg |
| Euro-Vent ApS | 8382 | Hinnerup |