| 1831 | Mkk Engineering Services Pte Ltd 200105677R | 有効 |
| 1832 | Millee Engineering Pte Ltd 199800335H | 有効 |
| 1833 | Multi Speed Engineering Pte. Ltd. 200504450D | 有効 |
| 1834 | Mitre Construction Pte Ltd 199906384D | 有効 |
| 1835 | Mass Power Engineering Pte Ltd 199600798H | 有効 |
| 1836 | Manila Construction Pte Ltd 198800658E | 有効 |
| 1837 | Maximator Far East Pte. Ltd. 200409726M | 有効 |
| 1838 | Macro Resources And Contracts 52915973B | 有効 |
| 1839 | Metalclad Pte Ltd 199102888E | 有効 |
| 1840 | Multron Systems Pte Ltd 198500721N | 有効 |
| 1841 | Mirage Design And Contract Pte Ltd 200008070W | 有効 |
| 1842 | M & S Management & Contracts Services Pte. Ltd. 200304716N | 有効 |
| 1843 | Mao Sheng Quanji Construction Pte Ltd 198802470G | 有効 |
| 1844 | Mastercraft Systems Private Limited 200309047D | 有効 |
| 1845 | Ming Heng Construction & Renovation Pte. Ltd. 201002717G | 有効 |
| 1846 | Mitec Automation Pte. Ltd. 200412019N | 有効 |
| 1847 | M Stars Engineering & Construction Pte. Ltd. 200912309D | 有効 |
| 1848 | Ming Shin Construction (s) Pte. Ltd. 200409414N | 有効 |
| 1849 | Markpoint Engineering Pte Ltd 199904014W | 有効 |
| 1850 | Mei Han Engineering & Construction Pte. Ltd. 201015108E | 有効 |
| 1851 | Midas Environment Builder Pte. Ltd. 200501596E | 有効 |
| 1852 | Mayekawa Singapore Pte. Ltd. 198105476R | 有効 |
| 1853 | Mie Tech Engineering & Construction Pte Ltd 200100411D | 有効 |
| 1854 | Mei De Engineering Pte. Ltd. 200409513W | 有効 |
| 1855 | Mechantronic Engineering Pte Ltd 198700777K | 有効 |
| 1856 | Multiform Developments & Construction Pte Ltd 199409263D | 有効 |
| 1857 | Marunda Utama Engineering Pte Ltd 198501163R | 有効 |
| 1858 | Mi World Pte. Ltd. 201008832K | 有効 |
| 1859 | Merrimack Pte. Ltd. 200921035R | 有効 |
| 1860 | Multi Lines Engineering Pte Ltd 199700659W | 有効 |