| ESIC Limited | | Live |
| ESIC Technology & Sourcing Co., Limited | Private company limited by shares | Live |
| ESIC CONTROL LIMITED | Private company limited by shares | Live |
| ESIC COSMODE LIMITED | Private company limited by shares | Live |
| ESIC HOLDINGS COMPANY LIMITED | Private company limited by shares | Dissolved |
| ESIC INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| ESIC INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| ESIC INT'L LIMITED | Private company limited by shares | Live |
| ESIC INVESTMENTS LIMITED | Private company limited by shares | Live |
| ESIC TECHNOLOGY LIMITED | Private company limited by shares | Live |
| E.S.I.C.- Trading Limited | Private company limited by shares | Live |