| Neptune Overseas HK Limited | | Live |
| OVERSEAS NETWORK (ASIA) LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS STUDENT NETWORKING (UK) LIMITED | Private company limited by shares | Live |
| NEWMAR OVERSEAS LIMITED | Private company limited by shares | Live |
| OVERSEAS NEWSPAPERS LIMITED | Private company limited by shares | Dissolved |
| Newtimes Overseas Limited | Private company limited by shares | Live |
| N.F. OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS NICE LIMITED | Private company limited by shares | Live |
| OVERSEAS NICE HK LIMITED | Private company limited by shares | Live |
| NIKKEN OVERSEAS COMPANY LIMITED | Private company limited by shares | Live |
| CLOUD NINE OVERSEAS LIMITED | Private company limited by shares | Live |
| NINETY PLUS OVERSEAS WINE LIMITED | Private company limited by shares | Live |
| Nopurs Overseas Consult Limited | Private company limited by shares | Live |
| NOTION OVERSEAS LIMITED | Private company limited by shares | Live |
| Nutec Overseas Limited | Private company limited by shares | Live |
| OCEAN OVERSEAS LIMITED | Private company limited by shares | Live |
| CHINA OVERSEAS GRAND OCEANS INVESTMENTS LIMITED | Private company limited by shares | Live |
| OKAN Overseas Limited | Private company limited by shares | Live |
| S. OLIVER OVERSEAS LIMITED | Private company limited by shares | Live |
| OLLINQUE OVERSEAS INVESTMENTS LIMITED | Private company limited by shares | Live |
| OMEGA EXIM (OVERSEAS) LIMITED | Private company limited by shares | Live |
| Onward Overseas Education Consulting Service Limited | | Live |
| SOE OVERSEAS OPERATION CENTER LIMITED | Private company limited by shares | Dissolved |
| Sunny Optical Overseas Limited | Private company limited by shares | Live |
| ORCHID OVERSEAS LIMITED | Private company limited by shares | Live |
| OVERSEAS ORGANISE LIMITED | Private company limited by shares | Dissolved |
| ORIENT AND OVERSEAS COMPANY, LIMITED | Private company limited by shares | Dissolved |
| Orient Overseas Limited | Private company limited by shares | Live |
| ORIENT OVERSEAS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ORIENT OVERSEAS METALS LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL OVERSEAS LIMITED | Private company limited by shares | Live |
| ORIENTAL OVERSEAS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL OVERSEAS INDUSTRY AND TRADE LIMITED | Private company limited by shares | Live |
| ORIENTAL OVERSEAS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL OVERSEAS INVESTMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS TELEVISION ORIENTAL LIMITED | Private company limited by shares | Dissolved |
| Oteng Overseas Limited | | Live |
| OUJI OVERSEAS EDUCATION LIMITED | Private company limited by shares | Live |
| OUZHONG OVERSEAS CONSULTING CO., LIMITED | Private company limited by shares | Live |
| PACIFIC OVERSEAS WIG LIMITED | Private company limited by shares | Dissolved |
| PACIFIC OVERSEAS LIMITED | Private company limited by shares | Live |
| ASIA PACIFIC OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| OVERSEAS ASIA PACIFIC INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS ASIA PACIFIC INVESTMENTS LIMITED | Private company limited by shares | Live |
| TRADE PACIFIC OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| CHINESE PAINTING PUBLISHING (OVERSEAS) LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS PALACE COMPANY LIMITED | Private company limited by shares | Dissolved |
| PALUN GROUP (OVERSEAS) LIMITED | Private company limited by shares | Dissolved |
| PAN-WIN OVERSEAS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS PAPER ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS PULP AND PAPER LIMITED | Private company limited by shares | Dissolved |
| PAPERUN OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| PARAMOUNT OVERSEAS LIMITED | Private company limited by shares | Live |
| PARISCO OVERSEAS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| PARKSON OVERSEAS TRADING LIMITED | Private company limited by shares | Live |
| PARTEK (OVERSEAS) INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Overseas Partnership Capital Limited | Private company limited by shares | Live |
| PATERSON SIMONS & CO. (OVERSEAS) LIMITED | Private company limited by shares | Dissolved |
| PAWANA (OVERSEAS) LIMITED | Private company limited by shares | Dissolved |
| PCPD Overseas Investments Limited | Private company limited by shares | Live |
| PEARLSTAR OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| PELK OVERSEAS LIMITED | | Live |
| 100 PERCENT OVERSEAS WEDDING LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS PETROCHEMICAL LIMITED | Private company limited by shares | Live |
| OVERSEAS PETROCHEMICAL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS PETROLEUM COMPANY LIMITED | Private company limited by shares | Dissolved |
| PHILIP INVESTMENT DESIGN (OVERSEAS) LIMITED | Private company limited by shares | Dissolved |
| PHOENIX OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| PIFCO OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| PINFU OVERSEAS TRADING LIMITED | Private company limited by shares | Dissolved |
| Pinnacle Overseas Investment Limited | Private company limited by shares | Live |
| OVERSEAS PLAN LIMITED | Private company limited by shares | Live |
| OVERSEAS PLANNING AND DESIGN LIMITED | Private company limited by shares | Dissolved |
| A KISS OVERSEAS PLANNING LIMITED | Private company limited by shares | Dissolved |
| MIDAS OVERSEAS WEALTH PLANNING LIMITED | Private company limited by shares | Dissolved |
| PLAZA OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS POINT LIMITED | Private company limited by shares | Dissolved |
| POLY OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| POLYGOLD OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| POLYMINT OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| POLYRIFE OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| POLYWELL OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| POLYWIN OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS POWER LIMITED | Private company limited by shares | Dissolved |
| POWER OVERSEAS LIMITED -THE- | Private company limited by shares | Live |
| TRADE POWER OVERSEAS LIMITED | Private company limited by shares | Live |
| PRAG OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| PRECISION OVERSEAS LIMITED | Private company limited by shares | Live |
| PREMIER OVERSEAS EDUCATION LIMITED | Private company limited by shares | Live |
| OVERSEAS PREMIUM PROPERTIES LIMITED | Private company limited by shares | Live |
| PRESTIGE (OVERSEAS) LIMITED | Private company limited by shares | Live |
| PRIDE OVERSEAS LIMITED | Private company limited by shares | Live |
| PRINCE OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| PRINCE OVERSEAS HK LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS OFF-SET PRINTING CO., LIMITED | Private company limited by shares | Live |
| LAMMAR OFFSET PRINTING (OVERSEAS) LIMITED | Private company limited by shares | Live |
| OVERSEAS WELL PROOFING & PRINTING COMPANY LIMITED | Private company limited by shares | Dissolved |