| KAMSHUN TELECOM HK LIMITED | Private company limited by shares | Live |
| KAMSHUN (TELECOM) CO., LIMITED | Private company limited by shares | Live |
| KANG DA TELECOM HOLDING LIMITED | Private company limited by shares | Dissolved |
| HK KANG TONG TELECOM PAYMENT LIMITED | Private company limited by shares | Live |
| KAWASAKI TELECOM LIMITED | Private company limited by shares | Dissolved |
| KEEN BOND TELECOM LIMITED | Private company limited by shares | Dissolved |
| KELLECT TELECOM LIMITED | Private company limited by shares | Live |
| KENFORD TELECOM COMPANY LIMITED | Private company limited by shares | Dissolved |
| KESSEL TELECOM LIMITED | Private company limited by shares | Dissolved |
| KHALL TELECOM LIMITED | Private company limited by shares | Live |
| KINETIC TELECOM LIMITED | Private company limited by shares | Dissolved |
| CHINA KING WAI TELECOM COMPANY LIMITED | Private company limited by shares | Live |
| KING EASY TELECOM LIMITED | Private company limited by shares | Live |
| KING SUN TELECOM AND ENGINEERING LIMITED | Private company limited by shares | Live |
| KING TIN TELECOM ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SUN KING ELECTRICAL & TELECOM ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| KING'S POWER TELECOM CO LIMITED | Private company limited by shares | Dissolved |
| KINGSAN TELECOM COMPANY LIMITED | Private company limited by shares | Dissolved |
| SHENZHEN KINGSTAR TELECOM LIMITED | Private company limited by shares | Dissolved |
| KINTION TELECOM CO., LIMITED | Private company limited by shares | Live |
| KITOONOO TELECOM LIMITED | Private company limited by shares | Live |
| KIWAL TELECOM SOLUTION LIMITED | Private company limited by shares | Dissolved |
| K-MATE TELECOM ACCESSORIES LIMITED | Private company limited by shares | Live |
| KNEX TELECOM LIMITED | Private company limited by shares | Live |
| Zi Han Telecom (China & Korea) Limited | Private company limited by shares | Live |
| KOWLOON TELECOM LIMITED | Private company limited by shares | Dissolved |
| KSTAR TELECOM COMPANY LIMITED | Private company limited by shares | Dissolved |
| KUNLUN TELECOM LIMITED | | Live |
| KUSHI TELECOM HK LIMITED | Private company limited by shares | Dissolved |
| A P TELECOM (KWAI CHUNG) LIMITED | Private company limited by shares | Dissolved |
| HK KWAIFONG TELECOM LIMITED | Private company limited by shares | Live |
| KWOK'S TELECOM LIMITED | Private company limited by shares | Dissolved |
| Kylego Telecom Limited | Private company limited by shares | Live |
| HAN KYUNG TELECOM COMPANY LIMITED | Private company limited by shares | Dissolved |
| STC TELECOM LAB. LIMITED | Private company limited by shares | Dissolved |
| Lamyik Telecom Trading Limited | Private company limited by shares | Live |
| Lanck Telecom Limited | Private company limited by shares | Live |
| Lanka Telecom Company Limited | Private company limited by shares | Live |
| LANPLE TELECOM LIMITED | Private company limited by shares | Dissolved |
| LANSEN HK TELECOM LIMITED | Private company limited by shares | Live |
| LanTian Telecom Limited | Private company limited by shares | Live |
| LEADING TELECOM SERVICE LIMITED | Private company limited by shares | Dissolved |
| FORTUNE TELECOM LEATHER CASE LIMITED | Private company limited by shares | Dissolved |
| LHCH Telecom Technology Limited | Private company limited by shares | Live |
| CHINA TELECOM LIAISON LIMITED | Private company limited by shares | Dissolved |
| LIANMEI TELECOM LIMITED | Private company limited by shares | Live |
| First Light Telecom Limited | | Live |
| LIKA TELECOM COMPANY LIMITED | | Live |
| LIKA TELECOM (HK) LIMITED | | Live |
| LIKA TELECOM (INTERNATIONAL) LIMITED | | Live |
| LIKE TELECOM LIMITED | Private company limited by shares | Live |
| STAR LINE TELECOM LIMITED | Private company limited by shares | Live |
| LINK TELECOM COMPANY LIMITED | Private company limited by shares | Dissolved |
| TELECOM LINK LIMITED | Private company limited by shares | Live |
| PACIFIC LINK TELECOM (ASIA) LIMITED | Private company limited by shares | Dissolved |
| EASY LINK TELECOM LIMITED | Private company limited by shares | Live Commenced dormancy on 08-Apr-2014 |
| MASS LINK TELECOM LIMITED | Private company limited by shares | Live |
| PACIFIC LINK TELECOM LIMITED | Private company limited by shares | Dissolved |
| WELL LINK TELECOM COMPANY LIMITED | Private company limited by shares | Dissolved |
| Linkage Telecom Limited | | Live |
| LINKS TELECOM LIMITED | Private company limited by shares | Dissolved |
| LINKS TELECOM LIMITED | Private company limited by shares | Live |
| LITEON TELECOM TECH LIMITED | Private company limited by shares | Dissolved |
| LIVEWIRE TELECOM LIMITED | Private company limited by shares | Live |
| LOEWE TELECOM (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TELECOM LOGISTICS LIMITED | Private company limited by shares | Live |
| LONGDA TELECOM HOLDINGS LIMITED | Private company limited by shares | Live |
| LONGTONE TELECOM LIMITED | Private company limited by shares | Live |
| TIN LOONG TELECOM COMPANY LIMITED | Private company limited by shares | Live |
| Lucky Telecom Limited | Private company limited by shares | Live |
| LUENSUNG TELECOM LIMITED | Private company limited by shares | Live |
| Lulu Telecom Limited | Private company limited by shares | Live |
| TIN LUNG TELECOM LIMITED | Private company limited by shares | Live |
| Lung Hin Telecom Limited | Private company limited by shares | Live |
| WING LUNG TELECOM LIMITED | Private company limited by shares | Live |
| LUNTEC TELECOM COMPANY LIMITED | Private company limited by shares | Dissolved |
| MACH-1 TELECOM LIMITED | Private company limited by shares | Dissolved |
| MACRO ARK TELECOM HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| MACRO TELECOM SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| MACROVIEW TELECOM LIMITED | Private company limited by shares | Live |
| MAGIK TELECOM LIMITED | Private company limited by shares | Live |
| MAJOR TELECOM LIMITED | Private company limited by shares | Dissolved |
| MAKKAH TELECOM COMPANY LIMITED | Private company limited by shares | Dissolved |
| MALCOM TELECOM LIMITED | Private company limited by shares | Dissolved |
| MAMOTA TELECOM LIMITED | Private company limited by shares | Dissolved |
| ASIA TELECOM MANAGEMENT LIMITED | Private company limited by shares | Live |
| MING-DIAN TELECOM SERVICE AND MANAGEMENT CO., LIMITED | Private company limited by shares | Live |
| MANTRA TELECOM LIMITED | Private company limited by shares | Live |
| MARS TELECOM LIMITED | | Live |
| MASS TELECOM LIMITED | Private company limited by shares | Live |
| Masterfone Telecom Limited | Private company limited by shares | Live |
| MASTERSOFT (TELECOM) LIMITED | Private company limited by shares | Dissolved |
| MATCHING TELECOM LIMITED | Private company limited by shares | Dissolved |
| MAXCO TELECOM COMPANY LIMITED | Private company limited by shares | Live |
| MCDONALDS TELECOM LIMITED | Private company limited by shares | Dissolved |
| MCTEL TELECOM LIMITED | Private company limited by shares | Dissolved |
| NEW MEDIA TELECOM LIMITED | Private company limited by shares | Dissolved |
| TELECOM MEDIA LIMITED | Private company limited by shares | Live |
| TELECOM DIGITAL MEDIA LIMITED | Private company limited by shares | Live |
| MEGA TELECOM LIMITED | Private company limited by shares | Dissolved |