| SKY HAWK AIRCARGO (HK) LIMITED | Private company limited by shares | Live |
| SANKYU AIRCARGO (HK) LIMITED | Private company limited by shares | Dissolved |
| TAC-TOKYO AIRCARGO (H.K.) LIMITED | Private company limited by shares | Live |
| Globalink Aircargo Hong Kong Limited | Private company limited by shares | Live |
| PAS AIRCARGO SERVICE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG ASSOCIATION OF AIRCARGO TRUCKERS LIMITED | Company limited by guarantee | Live |
| HONGKONG AIRCARGO CONSOLIDATORS ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| EAS INTERNATIONAL AIRCARGO CO. LIMITED | Private company limited by shares | Dissolved |
| KEEN SHING AIRCARGO SERVICES LIMITED | Private company limited by shares | Live |
| GOOD HARVEST AIRCARGO LOGISTICS LIMITED | Private company limited by shares | Dissolved |
| STARTREK AIR-CARGO MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| The Aircargo Master Limited | | Live |
| OLYMPIC AIRCARGO LIMITED | Private company limited by shares | Dissolved |
| PARAKOU AIRCARGO LIMITED | Private company limited by shares | Live |
| RAMAD AIRCARGO AND SHIPPING AGENCY LIMITED | | Live |
| AIRCARGO SECURITY SCREENING CENTRE LIMITED | Private company limited by shares | Live |
| AOL AIRCARGO SERVICE LIMITED | Private company limited by shares | Live |
| EMIRATES AIRCARGO SERVICES LIMITED | Private company limited by shares | Live |
| AIRCARGO GROUND SERVICES LIMITED | Private company limited by shares | Dissolved |
| Integrated Aircargo Management Services Limited | Private company limited by shares | Live |
| BEST AIRCARGO AND SHIPPING SERVICES LIMITED | Private company limited by shares | Live |
| AIRCARGO TERMINAL SERVICE LIMITED | Private company limited by shares | Live |
| WORLD WIDE AIRCARGO (HONG KONG) LIMITED -THE- | Private company limited by shares | Dissolved |
| W.T. AIRCARGO LIMITED | Private company limited by shares | Dissolved |
| Aircart International Limited | Private company limited by shares | Live |
| HONG KONG AIR-CATERING SERVICES LIMITED | Private company limited by shares | Dissolved |
| Aircen (HongKong) International Development Limited | Private company limited by shares | Live |
| CHAPMAN FREEBORN AIRCHARTERING LIMITED | Private company limited by shares | Live |
| AirCircus Company Limited | Private company limited by shares | Live |
| AIR-CITY COMPANY LIMITED | Private company limited by shares | Live |
| AIRCLEANINGHK LIMITED | | Live |
| AirClick Limited | Private company limited by shares | Live |
| AIRCOACH ESTATES LIMITED | Private company limited by shares | Dissolved |
| AIRCODE LIMITED | Private company limited by shares | Live |
| AIRCOM LIMITED | Private company limited by shares | Live |
| AIRCOM ASIA LIMITED | Private company limited by shares | Live |
| AIRCOM PACIFIC INC. LIMITED | Private company limited by shares | Live |
| MOTOROLA AIRCOMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| SKY AIR-CON LIMITED | Private company limited by shares | Live |
| BEN & CO. AIR-COND. LIMITED | Private company limited by shares | Live |
| ON KEE Air-cond Limited | | Live |
| HARBOUR AIR-COND. & ELECT. ENG CO. LIMITED | Private company limited by shares | Live |
| AUDEN AIR-COND. & ELECTRICAL COMPANY LIMITED | Private company limited by shares | Live |
| KAI HANG AIR-COND. ENG. CO. LIMITED | Private company limited by shares | Live |
| HIMCHING APPLIANCES (AIR-COND.) LIMITED | Private company limited by shares | Dissolved |
| FU KEUNG AIR-COND LIMITED | Private company limited by shares | Live |
| MING FAI AIR-COND LIMITED | Private company limited by shares | Live |
| WING FAI AIR-COND. SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| LAM LAP AIR-CONDITION COMPANY LIMITED | Private company limited by shares | Dissolved |
| EMICON AIR-CONDITION (CHINA) LIMITED | Private company limited by shares | Dissolved |
| Wing Fat Motor Electric Air-condition Limited | | Live |
| WAI TAT AIR-CONDITIONAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| CHINA AIR-CONDITIONER MARKET ASSOCIATION CO., LIMITED | Private company limited by shares | Dissolved |
| HOP FUNG AIR-CONDITIONER WATER & ELECTRIC WORKS CO., LIMITED | Private company limited by shares | Live |
| P&W AIR-CONDITIONER & ELECTRICITY ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| ON WAI AIR-CONDITIONER ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| LEE MAN AIR-CONDITIONER ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Tin Po Air-conditioner Engineering Company Limited | Private company limited by shares | Live |
| KAM HO AIR-CONDITIONER ENGINEERING LIMITED | Private company limited by shares | Live |
| LC Air-Conditioner & Engineering Limited | Private company limited by shares | Live |
| LQ Air-Conditioner Engineering Limited | | Live |
| CHEUK KIN AIR-CONDITIONER & ENGINEERING LIMITED | Private company limited by shares | Live |
| Coolest Air-Conditioner Engineering Company Limited -The- | Private company limited by shares | Live |
| HO WAH AIR-CONDITIONER & ELECTRIC ENGINEERING LIMITED | Private company limited by shares | Live |
| EVER PROSPEROUS AIR-CONDITIONER ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Good Day Air-Conditioner Engineering Company Limited | Private company limited by shares | Live |
| HANG TAI AIR-CONDITIONER ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| HAPPY AIR-CONDITIONER ENGINEERING LIMITED | | Live |
| LIKFAT AIR-CONDITIONER & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Pak Ning Air-Conditioner & Engineering Company Limited | | Live |
| TAI PING AIR-CONDITIONER ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ProClimate Air-Conditioner Engineering Limited | Private company limited by shares | Live |
| Ruah Air-Conditioner & Engineering Company Limited | Private company limited by shares | Live |
| TELFOO AIR-CONDITIONER ENGINEERING AND TRADING COMPANY LIMITED | Private company limited by shares | Live |
| WING LEE AIR-CONDITIONER ENGINEERING LIMITED | Private company limited by shares | Live |
| TIN YING AIR-CONDITIONER ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Choco Air-conditioner & Environment Sanitization Services Co. Limited | | Live |
| JIN FENG AIR-CONDITIONER EQUIPMENT LIMITED | Private company limited by shares | Live |
| Forever Rich Air-Conditioner & Engineering Limited | | Live |
| KAR FUNG AIR-CONDITIONER ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| KAR FUNG AIR-CONDITIONER (HK) LIMITED | Private company limited by shares | Live |
| LI HONG AIR-CONDITIONER ENGINEERING LIMITED | | Live |
| HongFai Air-Conditioner LIMITED | | Live |
| Kwong Lee Air-conditioner Engineering Limited | Private company limited by shares | Live |
| Nickan Air-conditioner Engineering Company Limited | Private company limited by shares | Live |
| PERFORMANCE AIR-CONDITIONER ENGINEERING & TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| PROFESSIONAL AIR-CONDITIONER & ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| PROFESSIONAL ART AIR-CONDITIONER WATER ELECTRICITY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WAI SHING AIR-CONDITIONER ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| YAU SHING AIR-CONDITIONER & ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SUNS AIR-CONDITIONER & REFRIGERATION ENGINEERING LIMITED | Private company limited by shares | Live |
| HAYWA AIR-CONDITIONER SUPPLIES LIMITED | Private company limited by shares | Dissolved |
| Supreme Air-Conditioner & Engineering Company Limited | Private company limited by shares | Live |
| PAK LOK AIR-CONDITIONING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SMC AIR-CONDITIONING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WO LEE AIR-CONDITIONING COMPANY LIMITED | Private company limited by shares | Live |
| TAC Air-Conditioning Company Limited | Private company limited by shares | Dissolved |
| J&P AIR-CONDITIONING LIMITED | Private company limited by shares | Live |
| TAI LEE AIR-CONDITIONING LIMITED | Private company limited by shares | Live |
| AI Air-conditioning Limited | | Live |