| 1921 | Sylvia Ng Piano Studio
53034045C | Active |
| 1922 | Swissotel Merchant Court, S'pore
| Active |
| 1923 | Symphony Engineering Pte Ltd
199303054K | Active |
| 1924 | Symbolite Asia Pte. Ltd.
200411177G | Active |
| 1925 | Swissco Offshore (pte.) Ltd.
197501890W | Active |
| 1926 | System Pest Control Service Pte Ltd
| Active |
| 1927 | Sy Engineering & Services Pte Ltd
200103605M | Active |
| 1928 | Swiss Bake Pte. Ltd.
200305754Z | Active |
| 1929 | Swimdolphia Aquatic Sports
53144881M | Active |
| 1930 | Superior Security Services & Private Investigations Pte Ltd
199200838M | Active |
| 1931 | Super Dry Int'l Pte Ltd
| Active |
| 1932 | Sunyau Expo Pte Ltd
199700752R | Active |
| 1933 | Storhub Self Storage Pte Ltd
| Active |
| 1934 | Superskill Graphics Pte Ltd
198204369H | Active |
| 1935 | Sun Power Machinery Pte. Ltd.
201222532M | Active |
| 1936 | Supreme Healthy Vegetarian Food
| Active |
| 1937 | Sunbeam Aquarium (pte) Ltd
198105215Z | Active |
| 1938 | Sunraj Marine Pte. Ltd.
198100773E | Active |
| 1939 | Supmar Pte Ltd
197901103H | Active |
| 1940 | Supershine Floral & Garden Supplies Pte Ltd
200101800N | Active |
| 1941 | Super Coffee Corpn Pte Ltd
| Active |
| 1942 | Super Union Precision Engineering Pte Ltd
199703529N | Active |
| 1943 | Suncrest Engineering Pte. Ltd.
199004215E | Active |
| 1944 | Suncoast Sitra Pte Ltd
199403205K | Active |
| 1945 | Sulo Environment Systems Pte Ltd
| Active |
| 1946 | Suhaimi Salleh & Associates
S88PF0247L | Active |
| 1947 | Supersolutions Pte Ltd
| Active |
| 1948 | Sundoor Specialist
53021402D | Active |
| 1949 | Synergy Worldwide (s) Pte. Ltd.
200204090E | Active |
| 1950 | Synergraphic Design Pte Ltd
199308469W | Active |