| Shankar Gas Industries (P) Ltd. | Gazole, Dist. Malda |
| Shree Baidyanath Ayurved | P-83, Banaras Road, Howrah |
| Siba Industries | 12, Dalhousie Square (E) 1st Floor, Room No. 5 Kolkata-700 001. |
| Sibarna Pharmaceutical s Pvt. Ltd. | 53f, Feeder Road, Kolkata- 700056 |
| Smith Stanistreet Pharmaceutical s Ltd. | 18,Convent Road, Kolkata- 14 |
| Sonali Paints &Chemica L Industries | Shankaripukur Piyali Town Baruipur,South Twenty Four Parganas |
| Spur Pharmaceutical s (P) Ltd. | Vill. Himaipur, Badu Road, P.O. Madhyamgram, 24 Pg |
| Squre Pharmaceutical s | Mahispota, P.O. Natagarh, Kolkata-113 |
| Sree Krishna & Co. | Barakar; Dist. Burdwan |
| STADMED PVT. LTD. | A.A. – 21 Sector 1 Salt Lake City Kolkata-700 064. |
| Stadmed Pvt.Ltd. | 15, Jawpore Road, Kolkata -74 |
| Stamac Products | 108-A, 108-B Hazra Road Kolkata-700 026. |
| Standard Anticeptic Pr Oducts | Mahammad Pur Post Nand Akumar,Medinipur |
| Standard Chemical & Pharmaceutical Works | 1, Jawaharlal Datta Lane Kolkata-700 004. |
| Standard Chemical Works | Dakshin Kumrakhari, Karbala, P.O.Narendrapur, P.S.Sonarpur, Dist. |
| Standard Pharma Remedies | 3,Beharilal Saha Road, Kolkata-36 |
| Standard Pharmaceutical s | Srirampur, Hooghly, 712203 |
| Standard Pharmaceutical s Ltd. | 27, Mirja Ghalib Street Kolkata-700 016. |
| Standard Pharmaceutical s Ltd. | 1, D’cruze Garden Lane, Serampore, Hooghly |
| Standard Pharmaceutical s Works Ltd. No.1. | 1, D’cruze Garde3n Lane, Tarapur, Srirampur, Hoogh |
| Standard Research Laboratories | 200, Rashbehari Avenue, Kolkata-29 |
| Star Laboratories (P) Ltd. | Gangarampur Road, P.O. & Vill. Mahestasla, 24 Pgs( |
| Starling Pharmaceutical s Products And Co. P. Ltd. | 72/2, Sambhunath Pandit Street, Kolkata.-25. |
| Steri Plast | Udayrajpur, P.S.Barasat |
| Strassen Burg Pharmaceutical s Pvt. Ltd. | Diamond Habou Road, Khariberia, P.O. Bishnupur, 24 |
| Strassenburg Pharmaceutical s Ltd. | P-6, C.I.T. Road, 4th Floor Scheme L V Kolkata-700 014. |
| Strassenburg Pharmaceutical s Ltd. | S-10, Industrial Estate Kalyani, Dist. Nadia |
| Strassenburg Pharmaceutical s Pvt. Ltd. | D.H.Road, 743, 903 24- Parganas (S) |
| Subarna Pharmacuti Cals (P) Ltd | 53f Feeder Rd Beghria,North Twenty Four Parganas |
| Suin & Company | Itinda Road, Naihati, Dist. |
| Suman Mandal | Burari, Burarihat, Purba Medinipur – 721137 |
| Sun Pharma | 57/2A, Puddupukur Road Kolkata-700 020. |
| Sunny Industries P. Ltd. | 23/13/1-B, Rupnarayan Nandan Lane, Kolkata-25 |
| Sunny Industries Pvt. Ltd. | 13-N, Dhirendra Nath Ghosh Road Kolkata-700 025. |
| Super And Applicances (P) Ltd. | WBIIDC Growth Center, P.O. Rakhajungla, Himpura, Kharagpur |
| Super Drugs (P) Ltd. | 1/3/3d, Dum Dum Road, Kolkata.-2. |
| Super Gases & Alliances (P) Ltd. | I.I.D.C. Growth Center P.O.Rakhajungle, Karaghpur, Midnapur(W) |
| Super Oxytech Pvt. Ltd. | 147/1, J.N.Mukherjee Road, Ghusuri, Howrah-711107 |
| Superb Drugs Pvt. Ltd. | 1/3/3d , Dum Dum Road, Kolkata-2- |
| Surgico International | 36-B, Aurobindo Sarani, 1 St Floor, Kolkata |
| Surrgico Internatioanal | 36b,Aurobinda Sarani, Kolkata-700005 |
| Swapan Surgical & Dressing | 30n, Harey Kristopher Sett Lane, Kolkata-50 |
| Syantho Lab (India) Pvt. Ltd. | 18,Pathakpara Road, Kolkata-60 |
| Syntho Lab. (India) Ltd. | 18, Pathakpara Road Behala Kolkata-700 060. |
| Syochem Laboratories (P) Ltd. | 46/1, Samsul Huda Road, Kolkata.-17. |
| Techno Remedies | Sonarpur Station Road Kamrakhali Narendrapur,South Twenty Four Parganas |
| Techno Remidies, | Sotuh Kumrakhali , Sonarpur Station Road , P.O. Narendrapur, Kolkata- 103 |
| The A.D.Jadah Pharmaceutical s (P) Ltd. | 34, Regent Park, Kolkata.- 40. |
| The Carbon Laboratories | 17, Mali Road, Kolkata -80 |
| The Elactro Medical & Allied Indus. Ltd. | Salt Lake City, Kolkata-91 |
| The Infusion (India) Ltd. | 620,D.H. Road, Kolkata-34 |
| The Institute Of Child Health | 11,DR. Biresh Guha Street, Kolkata – 17 |
| The Moriengers Chemical Laboratories | P-117/1, C.I.T. Road, Kolkata -10 |
| The Oriental Chemical Works Private Limited | 1/1b Gobinda Auddy Road Kolkata |
| Thera Chem Laboratories (Pvt.) Ltd. | P-6 & 9, Bhupen Roy Road Kolkata-700 034. |
| Tibson Pharmaceutical s Pvt. Ltd. | 66, Chowringhee Road Kolkata-700 020. |
| Tigon Chemical & Pharmaceutical Works | Gosala Road(S), Babupara Extension, P.O.Siliguri, Dist. Darjeeling |
| Tirupati Pharma | Room No. A-51, 3rd Floor 55, B.R.B. Basu Road, Kolkata-700 001. |
| Treatment Home Product S | 47 Sankaritela Street , Kolkata |
| Treatment Home Products | 36, Creek Row Kolkata-700 014. |
| Triveni Chemicals | 12, BBD Bagh East Kolkata – 700001. |
| Tropical Laboratory. | Howrah-Amta Road, P.O. Baltikuri, Japani Gate Howr |
| Tropical Labs. Howrah-Amta Road | P.O. Balitkuri Howrah-711 402. |
| Uma Industries, | 6,Burroshibtala Main Road, Kolkata-38 |
| Union Drug Company Limited | 182, Rai Bahadur Road Kolkata-700 034. |
| Unique Chemicals Laboratories | P-50,Kalindi Estate, Kolkata-89 |
| United Chemical Industries | 136, Maharaja Nandakumar Road Kolkata- 700 036. |
| United Laboratories(In dia)Pvt.Ltd. | 29, Mannpara Road, Kolkata-90 |
| Universal Drug House Pvt. Ltd. | 60-F, Block D, New Alipore Kolkata- 700 053. |
| Universal Drug House Pvt. Ltd. | 10, Braunfeld Row Kolkata-700 027. |
| Universal Medical Products | Banjitala, Cosimbazar,P.O. – Banjitala, Murshidaba |
| Universal Plaster Industries | 33/1, Netaji Subhash Road Marshal House, Room No. 367, 3rd Floor Kolkata-700 001. |
| Universal Plaster Industries | 20b, Belur Road, Howrah |
| Utility Industries Chemical Works | 19.Y.Raja Manindra Road, Kolkata -37 |
| Utiltiy Industrial & Chemical Works | 203, S.K.Deb Road, Kolkata-48 |
| Vax Institute Laboratory Ltd. | Anath Bandhunagar |
| Veekay Enterprise | 205-A, Rash Behari Avenue Kolkata-700 019. |
| Volcan Laboratories. | 95/1/3a, Cossipore Road, Kolkata.-2. |
| Vox Institute Laberatory Ltd. | Anantbandhunagar, Biswanathpur, P.O. Deganga, 24 P |
| Vulcan Laboratories (P) Ltd. | P-26, Kasba Industrial Estate ,Phase-Iii, Kolkata- 78 |
| Vulcan Laboratories Pvt. Ltd. | 95/1/3A, Cossipore Road Kolkata-700 002. |
| Vulcan Laboratories Pvt.Ltd | P-36,Kasba Industrial Estate Phase-Iii,Kolkata- 700107 |
| W. B. Pharmaceutical & Phytochemical Dev. Cop. Ltd | Aspirin Unit,Block -A Phase Iii,P O Kalyani,Dist. |
| W. B. Pharmaceutical s & Phytochemical Dev Corp Ltd | 8,Hydroxyquinoline Unit, Block-A, Phase-Iii, Kalya |
| W.B. Pharmaceutical & Phyto chemical Dev. Corporation Ltd. | Block-A, Phase-III, Kalyani, Nadia |
| W.B. Pharmaceutical & Phytochemical Development Corporation Ltd. | 620, D.H. Road, Kolkata – 34 |
| Walter Laboratories (P) Ltd. | Vill. Narayanpur, P.O. R- Gopalpur, 24 Pgs(N). |
| Wardex Pharmaceutical s Pvt. Ltd. | 6/1,Mahendra Roy Lane, Kolkata-46 |
| Welfo Pharmaceutical s Ltd. | B.P.Road, Ambala |
| Well Chem Lab. (India) Ltd. | 18, Khawarpara, Bakultala Main Road, Bansberia, Hooghly |
| Worksman Pharmaceuti- Cals P Ltd | Narayanpur Porgopalpur, North Twenty Four Parganas |
| Zenith Pharma Laboratory | 57, Lalit Mohan Bhattacharjee Street Serampore-712 201 Dist. Hooghly |
| Zephyr Pharmaceutic Al Ltd | Garia Mainroad Mahamay Atala, South Twenty Four Parganas |
| Zephyr Pharmaceutical Pvt. Ltd. | Mahamayatala, Garia Main Road Kolkata-700 084. |