• Electromaster

• Electroplus Group

• Elephants Don't Forget Ltd

• Elite Home Products Ltd

• Ellen Media Communications Ltd

• Ely Search & Placement

• EMARKABLE LIMITED

• Emerald Facilities Services Ltd.

• Emerald Healthcare Ltd

• Emerald Solutions

• Emerald Utility Solutions

• EMG Sales

• Enclave Technologies

• ENERCON Windfarm Services Ireland Ltd.

• EnerGlaze

• Energy Panel Ireland/NRG Panel

• enet

• Entech.

• Entropic Ltd

• Enva Ireland Ltd

• EquipCo

• Erin Horticulture Ltd

• Eterno Naturals Ltd

• EU Renewable Energy Systems