| 1921 | T & J Electric (S) Pte Ltd
| Active |
| 1922 | Tme Systems Pte Ltd
198302289K | Active |
| 1923 | Tiong Asia Marine Pte Ltd
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| 1924 | Tecnik Polymers And Colourants Pte Ltd
| Active |
| 1925 | Tru Marine Pte. Ltd.
197700529N | Active |
| 1926 | Timken Singapore Pte Ltd
198803768C | Active |
| 1927 | Teikoku South Asia Pte Ltd
199901538K | Active |
| 1928 | Taipei Industries Pte Ltd
| Active |
| 1929 | T Cube Systems Enterprise Pte. Ltd.
200917933E | Active |
| 1930 | Thye Hong Builders Shop Pte. Ltd.
201027220H | Active |
| 1931 | Tck Engineering Pte Ltd
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| 1932 | Ts Packaging Int'l Pte Ltd
| Active |
| 1933 | Tiger Drylac S'pore Pte Ltd
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| 1934 | Time & Office Equipment
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| 1935 | Tian Kee Carriage Services
| Active |
| 1936 | Tay Soon Chye Transport Services
24418800M | Active |
| 1937 | Tanjong Katong Bus Service
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| 1938 | Tan Kim Seng & Partners
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| 1939 | Tai Sin Electric Cables Mfr Ltd
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| 1940 | Tacko Products S'pore Pte Ltd
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| 1941 | Tai Lai Holdings Pte Ltd
197901079H | Active |
| 1942 | Tee Guan Supply Co. Pte. Ltd.
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| 1943 | Tancom Machinery Pte Ltd
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| 1944 | T. C. Wee & Co.
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| 1945 | Teco Electric & Machinery (pte .) Ltd
197201331H | Active |
| 1946 | Tay Lian Hoe Trading Company
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| 1947 | Taman Jurong Radiophone Taxi Services Ltd The
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| 1948 | Taiei Sales & Engineering Corporation
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| 1949 | Tkh Engineering Solution
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| 1950 | Taiyu Oil & Chemical Pte. Ltd.
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