- Endurance Companies
- Endurance Drones
- Endurance International
- Endurance International Group Holdings, Inc.
- Endurance IT Services
- Endurance Lending Network
- Endurance Specialty Holdings
- Endurance Wind Power
- ENDVEST
- Endwave
- Endwave - Defense electronics and security (D&S) business
- Endymed
- ENDYMION
- ENEA
- Enea Netbricks SAS
- eNear
- Enechange
- Eneclann
- Enecto
- Eneedo
- Enefgy
- Eneftech
- Eneida Wireless & Sensors SA
- eNeighborhoods
- eNeighbr
- enemieslist
- Enemy Tree LLC
- Enemy Unknown
- Enensys Technologies
- enepath
- ENER-G Cogen International
- Ener-G-Rotors
- Ener1 Group
- EnerAllies
- Enerbee
- Enerbrain
- Enercap Associates
- EnerCharge
- Enercient Systems Technologies
- ENerds
- Enerdyne Technologies
- Enerfina
- Enerfip
- Enerfy
- enerG
- EnerG2
- Energage
- Energate
- Energatix Studio
- Energee Creative
- Energeia
- EnerGenetics Energies
- Energenie
- Energeno
- Energent Group
- Energesis Pharmaceuticals
- Energetic Insurance
- Energetic Solutions
- Energetic Stars
- Energetika
- Energeya
- Energi Fyn Holding AS
- Energiachiarait
- Energid Technologies
- Energie Etiche
- Energiency
- Energis
- Energize Kids LLC
- Energize themes
- Energized Work
- Energizer
- Energomonitor
- Energous
- EnerGov
- Energreen
- Energy
- Energy & Resource Solutions
- Energy Access Ventures
- Energy Acuity
- Energy Assets Develoopment
- Energy Capital Partners
- Energy Control Systems Engineering
- Energy Conversion Devices
- Energy Curb
- Energy Development Associates (EDA)
- Energy Exemplar
- Energy Focus
- Energy Foundry
- Energy Gateway
- Energy Harvesters LLC
- Energy Industries
- Energy Informatics
- Energy Innovation Capital
- Energy Inside
- Energy Investors Fund
- Energy Labs
- Energy Machine Services
- Energy Management & Security Solutions
- Energy Management Collaborative