| 1921 | Switzco Design & Gifts Pte. Ltd.
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| 1922 | Synergy Sports Pte. Ltd.
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| 1923 | Sylvia Ng Piano Studio
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| 1924 | Swissotel Merchant Court, S'pore
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| 1925 | Symphony Engineering Pte Ltd
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| 1926 | Symbolite Asia Pte. Ltd.
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| 1927 | Swissco Offshore (pte.) Ltd.
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| 1928 | System Pest Control Service Pte Ltd
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| 1929 | Sy Engineering & Services Pte Ltd
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| 1930 | Swiss Bake Pte. Ltd.
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| 1931 | Swimdolphia Aquatic Sports
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| 1932 | Superior Security Services & Private Investigations Pte Ltd
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| 1933 | Super Dry Int'l Pte Ltd
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| 1934 | Sunyau Expo Pte Ltd
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| 1935 | Storhub Self Storage Pte Ltd
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| 1936 | Superskill Graphics Pte Ltd
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| 1937 | Sun Power Machinery Pte. Ltd.
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| 1938 | Supreme Healthy Vegetarian Food
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| 1939 | Sunbeam Aquarium (pte) Ltd
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| 1940 | Sunraj Marine Pte. Ltd.
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| 1941 | Supmar Pte Ltd
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| 1942 | Supershine Floral & Garden Supplies Pte Ltd
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| 1943 | Super Coffee Corpn Pte Ltd
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| 1944 | Super Union Precision Engineering Pte Ltd
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| 1945 | Suncrest Engineering Pte. Ltd.
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| 1946 | Suncoast Sitra Pte Ltd
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| 1947 | Sulo Environment Systems Pte Ltd
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| 1948 | Suhaimi Salleh & Associates
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| 1949 | Supersolutions Pte Ltd
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| 1950 | Sundoor Specialist
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