| SIANG KIM RENOVATION TRADING COMPANY | 31116200B | BLK 77 #01-509 INDUS RD INDUS GARDEN | 160077 |
| SIGMA DESIGN | 52986794W | BLK 18 #05-120 BOON LAY WAY TRADEHUB 21 | 609966 |
| SIL BRIGHT CONSTRUCTION PTE LTD | 199404907K | BLK 5060 #01-1229 ANG MO KIO INDUSTRIAL PARK 2 | 569563 |
| SILVER STAR GENERAL CONTRACTOR | 53395339A | BLK 150 #01-153 BISHAN STREET 11 | 570150 |
| SILVER STAR HOME RENOVATION | 53006053A | BLK 1 #05-17 Bukit Batok Crescent WCEGA PLAZA | 658064 |
| SILVERBUILD GENERAL WORKS | 53411223D | BLK 50 #01-53 EAST COAST ROAD ROXY SQUARE | 428769 |
| SILVERLINE PROJECTS & SERVICES PTE. LTD. | 200600039R | BLK 30 #07-16 LOYANG WAY | 508769 |
| SILVERLINE RENOVATION CONTRACTOR | 51573700C | BLK 451 #10-224 Tampines St 42 | 520451 |
| SILVOTINO | 53007413C | BLK 6001 #02-33 BEACH ROAD GOLDEN MILE TOWER | 199589 |
| SIM GUAN SENG BUILDING SERVICING | 52949785M | BLK 855 #08-256 Tampines Street 83 | 520855 |
| SIM YONG BUILDING MATERIALS TRADING CO | 25718000A | BLK 472 UPPER SERANGOON RD | 534509 |
| SIMPLE CLOSET (S) PTE. LTD. | 200911508E | BLK 71 #04-14 WOODLANDS AVENUE 10 WOODLANDS INDUSTRIAL XCHANGE | 737743 |
| SIMPLICITY ID & RENO | 52882604B | BLK 2 #09-28 Gambas Crescent Nordcom 2 | 757044 |
| SIMPLICITY INTERIOR LLP | T17LL1324C | BLK 6D #10-13 MANDAI ESTATE M-SPACE | 729938 |
| SIMPLICITY SPACE PTE. LTD. | 201023097Z | BLK 39 #04-18 WOODLANDS CLOSE MEGA@WOODLANDS | 737856 |
| SIMPLY DESIGN & CONTRACTS PTE. LTD. | 200817929N | BLK 6 #04-05 Petir Road Mayspring | 678267 |
| SIN GUAN TECK PTE. LTD. | 201333487N | BLK 1 #02-45 KAKI BUKIT ROAD 1 ENTERPRISE ONE | 415934 |
| SIN HIN CONTRACTOR | 07357600W | BLK 620 #08-06 Ang Mo Kio Avenue 9 | 560620 |
| SIN KAI TECK SUPPLIER | 42218400D | BLK 10 #10-06 ANSON RD INTERNATIONAL PLAZA | 079903 |
| SIN KIONG FURNISHING CONTRACTOR | 31826100J | BLK 416 #12-225 PASIR RIS DRIVE 6 | 510416 |
| SIN LEE HONG PTE LTD | 199605621K | BLK 34 #02-138 UPPER CROSS STREET | 050034 |
| SIN LI ALUMINIUM WORKS | 37706300B | BLK 3027 #01-122 UBI ROAD 1 | 408720 |
| SIN LI PLASTERCEIL PTE LTD | 199602158D | BLK 311 #01-06 Mandai Estate ELDIX | 729908 |
| SIN TECK CHOON RENOVATION CONTRACTOR | 35576200E | BLK 354 Tampines St 33 | 520354 |
| SIN TIAN SENG GLASS & ALUMINIUM CONTRACTOR | 31659900W | BLK 3021 #01-193 UBI AVE 2 | 408897 |
| SIN YAU SENG FURNITURE COMPANY | 06344800M | BLK 5066 #01-1399 ANG MO KIO INDUSTRIAL PARK 2 ANG MO KIO INDUSTRIAL PARK 2 | 569569 |
| SIN YONG IRON WORKS PTE LTD | 199702139M | BLK 75 #01-2890 GEYLANG BAHRU | 339683 |
| SINCERE ALUMINIUM CONSTRUCTION | 38854800B | BLK 78 #01-2900 GEYLANG BAHRU | 399686 |
| SINCERITY BUILDING CONTRACTOR | 44666600M | BLK 624 #06-202 Hougang Avenue 8 | 530624 |
| SING BAN SIAH RENOVATION & BUILDING CONSTRUCTION | 50123600K | BLK 10 #10-06 ANSON ROAD INTERNATIONAL PLAZA | 079903 |