| 1921 | Time & Office Equipment
| Active |
| 1922 | Tian Kee Carriage Services
| Active |
| 1923 | Tay Soon Chye Transport Services
24418800M | Active |
| 1924 | Tanjong Katong Bus Service
10326900B | Active |
| 1925 | Tan Kim Seng & Partners
53130825A | Active |
| 1926 | Tai Sin Electric Cables Mfr Ltd
| Active |
| 1927 | Tacko Products S'pore Pte Ltd
| Active |
| 1928 | Tai Lai Holdings Pte Ltd
197901079H | Active |
| 1929 | Tee Guan Supply Co. Pte. Ltd.
198305164E | Active |
| 1930 | Tancom Machinery Pte Ltd
199100138G | Active |
| 1931 | T. C. Wee & Co.
S81PF0249A | Active |
| 1932 | Teco Electric & Machinery (pte .) Ltd
197201331H | Active |
| 1933 | Tay Lian Hoe Trading Company
24727800M | Active |
| 1934 | Taman Jurong Radiophone Taxi Services Ltd The
| Active |
| 1935 | Taiei Sales & Engineering Corporation
S87FC3788F | Active |
| 1936 | Tkh Engineering Solution
53123500M | Active |
| 1937 | Taiyu Oil & Chemical Pte. Ltd.
199703120W | Active |
| 1938 | Technics Communication & Electronics Pte Ltd
198102729Z | Active |
| 1939 | Tach Precision Engineering Pte Ltd
198800524H | Active |
| 1940 | Thl Foundation Equipment Pte. Ltd.
200408545C | Active |
| 1941 | Tan Meng Yew Electric Co
26466100A | Active |
| 1942 | Tkg General Contractor
52891716A | Active |
| 1943 | Thermal Land Heat Exchangers
41423100K | Active |
| 1944 | Top Stainless Steel Industry
44420000B | Active |
| 1945 | Technic Innovations Pte. Ltd.
200402666N | Active |
| 1946 | Tai Hong Construction Pte Ltd
198802570C | Active |
| 1947 | Tcb Sports Pte Ltd
197600662Z | Active |
| 1948 | Tat Hong Heavyequipment (pte.) Ltd.
197801297W | Active |
| 1949 | Thyssenkrupp Elevator (singapore) Pte. Ltd.
200008558M | Active |
| 1950 | Triangle Auto Pte Ltd
198700116R | Active |