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| 1892 | Pro Ying Electrical & Trading Pte. Ltd. 200202318C | Active |
| 1893 | Pestmanagers Pte Ltd 199701582C | Active |
| 1894 | Pantec Engineering Pte. Ltd. 200305546Z | Active |
| 1895 | Polink Build Pte. Ltd. 200413908W | Active |
| 1896 | Planus Design International Pte Ltd 199906305M | Active |
| 1897 | Power Plus (s) Pte. Ltd. 200301327K | Active |
| 1898 | Patten Engineering Pte. Ltd. 200202141N | Active |
| 1899 | Peakform Building & Services Pte Ltd 200100005R | Active |
| 1900 | Promptech (m & E) Pte Ltd 199501729D | Active |
| 1901 | Pohrira Construction Pte. Ltd. 199206432G | Active |
| 1902 | Peng Yap M&e Systems Pte Ltd 199801216R | Active |
| 1903 | P.m. Builders Pte Ltd 199501692C | Active |
| 1904 | Poh Meng Engineering Pte. Ltd. 199702127W | Active |
| 1905 | Pcs Security Private Limited 199802807W | Active |
| 1906 | Power Instruments Pte Ltd 199804215N | Active |
| 1907 | Positive Engineering Pte Ltd 199105533M | Active |
| 1908 | P.u.m. International Pte Ltd 199306276R | Active |
| 1909 | Prefab Technology 3 Pte Ltd 199300335K | Active |
| 1910 | Polybilt Engineering Pte Ltd 199404571R | Active |
| 1911 | Pioneer Corrosion Engineering Pte Ltd 199305218E | Active |
| 1912 | Parallel Engineering Pte Ltd 199504575D | Active |
| 1913 | Piping & Engineering Pte Ltd 199706264R | Active |
| 1914 | Pipe Jack Engineering & Construction Pte Ltd 199201232R | Active |
| 1915 | Primecon Builders Pte Ltd 199501749H | Active |
| 1916 | Prospec Surfaces Pte. Ltd. 199000144M | Active |
| 1917 | Pincoco Pte. Ltd. 201535990D | Active |
| 1918 | Psm Aircon & Engineering Pte. Ltd. 199006000C | Active |
| 1919 | Papyrus Books 52930853C | Active |
| 1920 | Panchem Industries Pte Ltd 198400878E | Active |