| ELCOM LIMITED | Private company limited by shares | Dissolved |
| ELCOM HK LIMITED | Private company limited by shares | Live |
| ELCOM MANUFACTURING COMPANY, LIMITED | Private company limited by shares | Dissolved |
| ELCOM PRODUCTIONS LIMITED | Private company limited by shares | Live |
| ELCOM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ELCOME TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| ELCOMETER (HONG KONG) PRINTED DESIGN PACKAGING LIMITED | Private company limited by shares | Live |
| ELCOMMER CO., LIMITED | Private company limited by shares | Live |
| ELCOMP LIMITED | Private company limited by shares | Live |
| ELCOMP TRADE LIMITED | Private company limited by shares | Live |
| ELCOMPONICS SALES CO., LIMITED | Private company limited by shares | Live |
| ELCOMSUP LIMITED | | Live |