| TIME SOURCE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SOLAR MAX LIMITED | Private company limited by shares | Live |
| SOCIETY OF IATA PASSENGER AGENTS LIMITED | Company limited by guarantee | Live |
| FLOW SOURCE SUPPLY LIMITED | Private company limited by shares | Dissolved |
| SOUTHLAND INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SOUTHERN TOP INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED BIBLE SOCIETIES PUBLISHING COMPANY LIMITED | Company limited by guarantee | Live |
| TASTY SOUP CENTRE LIMITED | Private company limited by shares | Dissolved |
| DIAMOND SOURCE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SOUNDLINK DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| SOUND OFFICE MUSIC PRODUCTION & STUDIO LIMITED | Private company limited by shares | Dissolved |
| SOUTHEAST EQUITIES LIMITED | Private company limited by shares | Dissolved |
| SOLIDPLANS LIMITED | Private company limited by shares | Dissolved |
| GAIN SOUND TRADING LIMITED | Private company limited by shares | Dissolved |
| DRAGON SOURCE INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SEEFLOW SOUND LIMITED | Private company limited by shares | Dissolved |
| SOLID TOYS IND. LIMITED | Private company limited by shares | Live |
| GREAT SOCIETY INVESTMENT LIMITED | Private company limited by shares | Live |
| SODERICK LIMITED | Private company limited by shares | Live |
| PLAN SOUND LIMITED | Private company limited by shares | Dissolved |
| YIELD SOURCE LIMITED | Private company limited by shares | Dissolved |
| MAJOR SOURCE LIMITED | Private company limited by shares | Dissolved |
| SOLAREAL LIMITED | Private company limited by shares | Dissolved |
| SOON MING LIMITED | Private company limited by shares | Dissolved |
| SOLARYOUNG LIMITED | Private company limited by shares | Dissolved |
| DIRECT SOURCE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| FINE SOURCE SUPPLIES LIMITED | Private company limited by shares | Dissolved |
| CAPITAL SOURCE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MAIN SOUND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| POWER SOURCE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ENERGY SOURCE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| VINCENT SOURCE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CHINA SOUTHERN PETROCHEMICAL LIMITED | Private company limited by shares | Dissolved |
| MA YING PIU MEMORIAL SOCIETY COMPANY LIMITED | Private company limited by shares | Dissolved |
| FLYING SOURCE LIMITED | Private company limited by shares | Dissolved |
| SOON POINT LIMITED | Private company limited by shares | Dissolved |
| SOUTHVAST DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SOUTHGRADE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| ON-LINE SOFTWARE ASIA LIMITED | Private company limited by shares | Live |
| SOTOCLUB COMPANY LIMITED | Private company limited by shares | Dissolved |
| IDT SONICVISION LIMITED | Private company limited by shares | Live |
| SOON INCOME LIMITED | Private company limited by shares | Dissolved |
| SOPHOCLES LIMITED | Private company limited by shares | Dissolved |
| GRAND SONIC INTERIOR DESIGN & GENERAL CONTRACTORS LIMITED | Private company limited by shares | Dissolved |
| CRANMER SOCIETY COMPANY LIMITED | Private company limited by shares | Dissolved |
| HYTEC SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| SOUND WAVE FILM POST PRODUCTION LIMITED | Private company limited by shares | Dissolved |
| AMERICAN PROFESSIONAL SOUND SYSTEMS COMPANY LIMITED | Private company limited by shares | Dissolved |
| CLOUD SOURCE LIMITED | Private company limited by shares | Dissolved |
| SOLINGEN LIMITED | Private company limited by shares | Dissolved |
| SOLID GREAT INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| SOUTHDOOR LIMITED | Private company limited by shares | Dissolved |
| SOUTHHOLD LIMITED | Private company limited by shares | Live |
| PURE SOURCE LIMITED | Private company limited by shares | Dissolved |
| GREAT SOURCE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SOUTHBOND INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SOUTHILL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| DEEP SOURCE LIMITED | Private company limited by shares | Live |
| SOONBUSY LIMITED | Private company limited by shares | Dissolved |
| CHAMPION SOUND INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SOUND WELL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SOUND WELL SERVICES LIMITED | Private company limited by shares | Dissolved |
| PERM SOURCE PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| NG SUM TAI & SONS CO. LIMITED | Private company limited by shares | Live |
| KID SONG LIMITED | Private company limited by shares | Dissolved |
| MCP SONNET INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SOUTH AREA LIMITED | Private company limited by shares | Dissolved |
| SOFT-MART LIMITED | Private company limited by shares | Dissolved |
| SOONG ARTS & LAMPS COMPANY LIMITED | Private company limited by shares | Dissolved |
| FULL SOUND LIMITED | Private company limited by shares | Dissolved |
| NATION SOURCE LIMITED | Private company limited by shares | Live |
| SOUNDTECH LIMITED | Private company limited by shares | Dissolved |
| VIDEO SOURCE LIMITED | Private company limited by shares | Live |
| SOMEREST TRADING LIMITED | Private company limited by shares | Dissolved |
| ASIAN PRODUCT SOURCES LIMITED | Private company limited by shares | Dissolved |
| SOLID PHOENIX COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOLID FORCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOONING INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| RISING SOUND LIMITED | Private company limited by shares | Dissolved |
| EARNING SOUND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SONKOR GLOBAL HVAC SOLUTIONS LIMITED | Private company limited by shares | Live |
| HONG KONG MEDIA SOCIETY LIMITED | Company limited by guarantee | Dissolved |
| SOUTHBEACH LIMITED | Private company limited by shares | Dissolved |
| CENTRAL SOURCE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| TAKE SOUND LIMITED | Private company limited by shares | Live |
| PILOT SOUND INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SONEDA ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SAPLE SOUND LIMITED | Private company limited by shares | Dissolved |
| MAGIC SOURCES PRODUCTION LIMITED | Private company limited by shares | Dissolved |
| MAGIC SOURCES ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SONNICE COMPANY LIMITED | Private company limited by shares | Dissolved |
| EVER SOURCES INVESTMENT LIMITED | Private company limited by shares | Live |
| SOLE LAND LIMITED | Private company limited by shares | Dissolved |
| SOLE POWER LIMITED | Private company limited by shares | Dissolved |
| SOLE CHAMPION LIMITED | Private company limited by shares | Dissolved |
| SOLID HERO LIMITED | Private company limited by shares | Dissolved |
| SOLID VIEW LIMITED | Private company limited by shares | Dissolved |
| CHINA SOURCES INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SPRING SOUND ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| VICTORY SOUND INVESTMENT LIMITED | Private company limited by shares | Dissolved |