| Company | URL |
|---|---|
| Sinosil | chemsilicone.com |
| Sinosteel Maanshan New Material Technology Co., Ltd. | www.glass-bubble.com |
| Sinova Corporation | www.sinovainc.com |
| Sinoway Industrial Co., Ltd. | www.sinowaychem.com |
| Sinoway International (Jiangsu) Co., Ltd. | www.sinoway-pharma.com |
| Sirius Fine Chemicals SiChem GmbH | www.sichem.de |
| Siwei Development Co., Ltd. | www.chinapharmas.com |
| Siyang Rodenticide Factory | www.rodenticide.com.cn |
| Sky Cchemical Co., Ltd. | www.skychemical.com |
| Skyrun Industrial Co., Ltd. | www.chinaskyrun.com |
| SL Drugs and Pharmaceuticals Pvt. Ltd. | www.sldrugs.com |
| Slinmeng (guangzhou) New Material Co,. Ltd. | cosmeticsmaterial.com |
| SLN Pharmachem | www.slnpharmachem.com |
| Smarol Industry Co., Ltd. | www.smarol.com |
| Smartchem (Beijing) Ltd. | www.smartchembeijing.com |
| Smartox Biotechnology | www.smartox-biotech.com |
| SobhaBio | www.sobhabio.com |
| SOCOSUR Distribution Company | www.socosur.eu |
| Socotech Industry Limited | www.socotechchem.com |
| Sodium Metal Pvt. Ltd. | www.smfinechem.in |
| Southern Chemicals Limited | www.chinasouchem.com |
| Southern Spechem LLP | southernspechem.com |
| Southern Spices And Extracts | www.southernspices.co.in |
| Spec-Chem Industry Inc. | www.specchemind.com |
| Specpharms Scientific Research Limited | www.special-pharma.com |
| Specs Ltd. | www.specs.net |
| Spectra Group Limited, Inc. | www.sglinc.com |
| Spectrum Chemical Mfg. Corp. | www.spectrumchemical.com |
| Spectrum Info Ltd. | www.spec-info.com |
| Spekem Co., Ltd. | www.spekem.com |
| Speranza Chemical Co., Ltd. | www.speranzachem.com |
| Sphinx Scientific Laboratory (Tianjin) Co., Ltd. | www.sphinxpharm.com |
| SpiroChem AG | www.spirochem.com |
| Springchem & Jadetextile Group Limited | www.spring-chem.com |
| Squarix GmbH | www.squarix.de |
| SRC Laboratories Pvt Ltd | www.srclaboratories.com |
| SRI Neelima Laboratories | www.srineelimalaboratories.com |
| Srigen Lifesciences Pvt. Ltd. | www.srigenlifesciences.com |
| Srini Chem | www.srinichem.com |
| Sris Synthesis Pvt Ltd. | www.srissynthesis.com |
| SSV Enterprises | www.ssvleadnitrates.com |
| Stakam Ltd. | www.stakam.co.uk |
| Stan Chemical Co., Ltd. | www.stan-chem.com |
| Standard Chem. & Pharm. Co., Ltd. | www.standard.com.tw |
| Stanford Materials Corporation | www.stanfordmaterials.com |
| Star Chemicals and Catalysts Co., Ltd. | www.star-chemicals.com |
| Starlight Pharmacy | www.starlight-pharmacy.com |
| Stellence Pharmscience Pvt Ltd. | www.stellencepharmscience.com |
| Stereokem Inc. | www.stereokem.com |
| St-Jean Photochemicals Inc. | www.sjpc.com |