| 901 | Riverstone Resources (s) Pte Ltd 199804573M | Active |
| 902 | Riverhub Pte Ltd 200004933E | Active |
| 903 | Richem Mfg Pte Ltd
| Active |
| 904 | Recon Business Furnitures 45889200M | Active |
| 905 | Ruwac Private Ltd. 200820388R | Active |
| 906 | Ramesh Travel Service 04091400C | Active |
| 907 | Rimac Hardware & Engineering Pte Ltd 199102416R | Active |
| 908 | Respirex Fire System Pte Ltd 200103679E | Active |
| 909 | Rydlyme Asia Pte Ltd 200007763D | Active |
| 910 | Roofdeck Contractor
| Active |
| 911 | Riple Plate Int'l Pte Ltd
| Active |
| 912 | Roteq Engineering Pte Ltd 200009686Z | Active |
| 913 | Riverbank Chemicals Pte Ltd 199606065N | Active |
| 914 | Ramroy (pte) Ltd 198201793K | Active |
| 915 | Resources Builders Pte Ltd 198103565N | Active |
| 916 | Ritz Pumps Pte Ltd
| Active |
| 917 | Reasons Integration Pte. Ltd. 200512393W | Active |
| 918 | Renmekleen Hygiene Pte. Ltd. 199804185H | Active |
| 919 | Rotor Mix Pte. Ltd. 200705722N | Active |
| 920 | Reliance Safety Glass Pte. Ltd. 200723107Z | Active |
| 921 | Reco Builders Pte Ltd 199704456C | Active |
| 922 | Relex Illumination Pte. Ltd. 198600059C | Active |
| 923 | Rbert's Air-conditioning Pte Ltd 198501597 | Active |
| 924 | Raymond Construction Pte Ltd 198801081R | Active |
| 925 | Renobest Builder 52806530X | Active |
| 926 | R. Glazen Singapore Pte Ltd 198204335G | Active |
| 927 | Radiantech Engineering Pte Ltd 198601487M | Active |
| 928 | Rising Construction 47925500L | Active |
| 929 | Right Engineering Pte. Ltd. 200701818R | Active |
| 930 | Ramco Engineering Private Limited 199306895W | Active |