| JET CALL LIMITED | Private company limited by shares | Dissolved |
| CALL KAM COMPANY LIMITED | Private company limited by shares | Dissolved |
| JET CALL LIMITED | Private company limited by shares | Dissolved |
| TOP CALL LIMITED | Private company limited by shares | Dissolved |
| ONE CALL LIMITED | Private company limited by shares | Dissolved |
| CALL BBQ COMPANY LIMITED | Private company limited by shares | Dissolved |
| CALL 852 LIMITED | Private company limited by shares | Dissolved |
| B B CALL LIMITED | Private company limited by shares | Dissolved |
| YES CALL LIMITED | Private company limited by shares | Dissolved |
| UA Call Limited | Private company limited by shares | Live |
| Call Limited | Private company limited by shares | Dissolved |
| SKY CALL LIMITED | Private company limited by shares | Dissolved |
| NL CALL LIMITED | Private company limited by shares | Live |
| GET A CALL LIMITED | Private company limited by shares | Live |
| YB CALL LIMITED | Private company limited by shares | Live |
| ONE CALL FIX LIMITED | Private company limited by shares | Live |
| CALL IT LIMITED | Private company limited by shares | Live |
| CALL ME AL LIMITED | | Live |
| CALL CENTRE ANALYST LIMITED | Private company limited by shares | Live |
| DRAGON CALL ASIA LIMITED | Private company limited by shares | Dissolved |
| ASIAN CALL CENTER LIMITED | Private company limited by shares | Dissolved |
| CALL CENTRE ASSOCIATION LIMITED | Company limited by guarantee | Live |
| CALL BEAUTY LIMITED | Private company limited by shares | Live |
| PACIFIC BUBBLE CALL HOLDING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CALL TO CALLING LIMITED | Private company limited by shares | Live |
| CHATTER BOX CALL CENTER LIMITED | Private company limited by shares | Dissolved |
| CHINA ONE CALL LIMITED | Private company limited by shares | Live |
| DIAMONDS ON CALL LIMITED | Private company limited by shares | Live |
| DON'T CALL ME ANGEL LIMITED | Private company limited by shares | Live |
| DRAGON CALL LIMITED | Private company limited by shares | Dissolved |
| EVER CALL LIMITED | Private company limited by shares | Dissolved |
| FAIR CALL LIMITED | Private company limited by shares | Dissolved |
| FAST CALL LIMITED | Private company limited by shares | Live Commenced dormancy on 04-May-2007 |
| FINAL CALL LIMITED | Private company limited by shares | Dissolved |
| FIRST CALL LIMITED | Private company limited by shares | Dissolved |
| FORTUNE CALL LIMITED | Private company limited by shares | Dissolved |
| GoGoVan Call Centre Limited | Private company limited by shares | Live |
| HILL CALL LIMITED | Private company limited by shares | Dissolved |
| MASTER CALL HONG KONG LIMITED | Private company limited by shares | Dissolved |
| GOLD CALL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CALL INVESTMENTS LIMITED | Private company limited by shares | Live Commenced dormancy on 24-Apr-2015 |
| BEST CALL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| PACIFIC CALL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| JOIN CALL LIMITED | Private company limited by shares | Dissolved |
| Just Call Limited | Private company limited by shares | Live |
| Call and Lead Limited | Private company limited by shares | Live |
| LIBERTY CALL LIMITED | Private company limited by shares | Live |
| LUCKY CALL COMPANY LIMITED | Private company limited by shares | Dissolved |
| LUCKY CALL 18 LIMITED | Private company limited by shares | Dissolved |
| LUCKY CALL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MAHE CALL LIMITED | Private company limited by shares | Live |
| FRIEND CALL MOTOR AND MACHINERY LIMITED | Private company limited by shares | Live |
| CHINA MULTIMEDIA CALL CENTRE COMPANY LIMITED | Private company limited by shares | Dissolved |
| NICE CALL LIMITED | Private company limited by shares | Dissolved |
| NICE CALL LIMITED | Private company limited by shares | Live |
| CALL IN ONLINE LIMITED | Private company limited by shares | Dissolved |
| SEA DRAGON RADIO CALL CENTER LIMITED | Private company limited by shares | Dissolved |
| YAU WING RADIO CALL CENTRE LIMITED | Private company limited by shares | Dissolved |
| CALL ME REALTY COMPANY LIMITED | Private company limited by shares | Dissolved |
| RICH CALL LIMITED | Private company limited by shares | Live |
| RICH CALL LIMITED | Private company limited by shares | Dissolved |
| Roll Call Solutions Limited | Private company limited by shares | Live |
| ON CALL SECRETARIAL LIMITED | Private company limited by shares | Dissolved |
| JOY CALL BUS SERVICE LIMITED | Private company limited by shares | Live |
| EASY CALL SERVICE COMPANY LIMITED | Private company limited by shares | Live |
| SOHO CALL CENTRE LIMITED | Private company limited by shares | Live |
| IP Call Solutions HK Limited | Private company limited by shares | Dissolved |
| SPEED CALL (ASIA) LIMITED | Private company limited by shares | Dissolved |
| STAR CALL LIMITED | Private company limited by shares | Live |
| SUCCESS CALL LIMITED | Private company limited by shares | Dissolved |
| WANNA CALL TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| SUPER TRAVEL CALL CENTRE COMPANY LIMITED | Private company limited by shares | Live |
| VICTORY CALL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Call of Wealthy Limited | Private company limited by shares | Live |
| WELL CALL LIMITED | Private company limited by shares | Dissolved |
| WELL CALL DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| WINNING CALL COMPANY LIMITED | Private company limited by shares | Dissolved |
| WONG MA TRANSPORTATION CALL CENTRE LIMITED | Private company limited by shares | Dissolved |
| CALL NOW YEAH LIMITED | Private company limited by shares | Live |
| CALL ZONE LIMITED | Private company limited by shares | Live |
| Call2Dial Communications Limited | Private company limited by shares | Live |
| CALLA COMPANY LIMITED | Private company limited by shares | Dissolved |
| Calla Company Limited | Private company limited by shares | Live |
| CALLA LIMITED | | Live |
| CALLA NETWORKS LIMITED | Private company limited by shares | Live |
| CALLABLE TELECOM LIMITED | Private company limited by shares | Live |
| CALLABONNA LIMITED | Private company limited by shares | Dissolved |
| CALLADINE COMPANY LIMITED | Private company limited by shares | Dissolved |
| CALLAGHAM (CAR-HIRING) LIMITED | Private company limited by shares | Dissolved |
| CALLAHAN & COMPANY LIMITED | Private company limited by shares | Live |
| CALLALOO LIMITED | | Live |
| CALLAMUS LIMITED | Private company limited by shares | Live |
| CALLAN LIMITED | Private company limited by shares | Dissolved |
| CALLAN (CHINA) LIMITED | Private company limited by shares | Live |
| CALLAN GROUP LIMITED | Private company limited by shares | Live |
| CALLAN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CALLANCE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| CALLAND LIMITED | Private company limited by shares | Dissolved |
| CALLANY LIMITED | Private company limited by shares | Live |
| CALLAO TRADING CO. LIMITED | Private company limited by shares | Dissolved |