| 1 | M/S NIGAM HONDA | Darjeeling | Siliguri | WEST HOWDAVITA, P.O. KHARIBARI |  | | | | |
| 2 | M/S NILABJO SMRITI VANDAR | Murshidabad | Kandi | KHARGRAM | | | | | |
| 3 | M/S NILCHAND BARMAN | Coochbehar | Dinhata | Kesharibari, PO-Dhumerkhata | | | | | |
| 4 | M/S NILU PRADHAN | Jalpaiguri | Mal Bazar | THALJHORA BAZAR ,NAGRAKATA | | | | | |
| 5 | M/S NIPENDRA CH. SARKAR | Nadia | Krishnanagar Sadar | 30, R.N. TAGORE ROAD | | | | | |
| 6 | M/S NIPHA EXPORTS PVT LTD | Hooghly | Serampore | Dakshin Rajyadharpur NH-2 Delhi Road | | | | | |
| 7 | MS NIPPAI SHALIMAR FEEDS PVT. LTD. | Paschim Medinipur | Kharagpur | Sector F, Plot F6/A, Vidyasagar Industrial Park, P.S. - Kharagpur | | | | | |
| 8 | M/S- NIRAKAR MALIK | Howrah | Uluberia | Madhabpur, P.O- Mahishrekha, Pin- 711303 Worksite: M/S- Skipper Ltd. unit- Uluberia, NH6, Madhabpur, Mahishrekha | | | | | |
| 9 | M/S NIRMALENDU SARKAR | Jalpaiguri | Mal Bazar | SULKA MORE | | | | | |
| 10 | M/S NIRMA LIMITED | Maldah | Malda Sadar | VILL- KAMALDIGHI, PO- DHUMADIGHI | | | | | |
| 11 | M/S NIRMA OIL MILL | Dakshin Dinajpur | Gangarampur | CHITTARANJAN PALLY, WARD NO.-14, P.O.+P.S.-GANGARAMPUR | | | | | |
| 12 | M/S NISCHINTAPUR STONE CRUSHER | Birbhum | Suri Sadar | AT-TALBANDH,P.O-N.JAGATPUR | | | | | |
| 13 | MS NISHAL OVERSEAS RECRUITMENT PVT LTD | North 24 Parganas | Barrackpore | BILKANDA, NATAGARH, GHOLA | | | | | |
| 14 | M/S NISTARINI SEEDS CO. | Hooghly | Serampore | 53 KALAHATTA SHEORAPHULI HOOGHLY PIN-712223 | | | | | |
| 15 | M/S NITAI SAHA | Murshidabad | Kandi | VILL+PO- SHAHI SHERPUR | | | | | |
| 16 | M/S- N. KRISHNA RAO | Howrah | Uluberia | Flat no. 6-303/4, Ganesh nagar, Hyderabad, Pin- 500055 Worksite : M.S- Skipper ltd. Unit- Uluberia, Madhabpur, Mahishrekha, How. | | | | | |
| 17 | M/S NMASTE KOLKATA | North 24 Parganas | Barrackpore | 271, M.B.ROAD, MAHAJATI NAGAR, BIRATI | | | | | |
| 18 | M/S-N.M.D.ENGINEERING WORKS | Purba Medinipur | Haldia | VILL-BASUDEBPUR, P.O- KHANJANCHAK | | | | | |
| 19 | M/S NNONI | Kolkata | Kolkata | 120, Ashutosh Mukherjee Road, Kolkata- 700025 | | | | | |
| 20 | M/S,. NNONI | Howrah | Howrah Sadar | 10 Kedar Mukherjee Lane,Howrah | | | | | |
| 21 | M/S NORGIMA RESTAURANT | Darjeeling | Darjeeling Sadar | Hill Cart Road, Batasia | | | | | |
| 22 | M/S NORTH BENGAL SAW MILL | Jalpaiguri | Jalpaiguri Sadar | UTTAR MAYNAGURI | | | | | |
| 23 | M/S. NORTH CITY HOSPITAL AND NEURO SCIENCE INSTITUTE PVT LTD | Kolkata | Kolkata | 73, Bagmari Road | | | | | |
| 24 | M/S NORTH POINT NURSING HOME PVT LTD | North 24 Parganas | Barrackpore | 39D, Post Office Road, Dum Dum, | | | | | |
| 25 | M/S NOVA PULSE IVF CLINIC PRIVATE LTD. (BR.) | Kolkata | Kolkata | 1/1A, Mahendra Roy Lane, PS Pace, Block- 2,Kolkata-700046 | | | | | |
| 26 | M/S N.ROY & CO | Nadia | Ranaghat | NASRA KOLONI, RANAGHAT | | | | | |
| 27 | M/S NRS BLUE PRINT | Kolkata | Kolkata | 118C, A.J.C. Bose Road, Kolkata-700014 | | | | | |
| 28 | M/S-N.S.LEATHER PRODUCT PVT LTD | South 24 Parganas | Baruipur | C/O-M/S-N.S.LEATHER PRODUCT PVT LTD,PLOT-1602,ZONE-9 | | | | | |
| 29 | M/S N.S. LEATHER PRODUCTS PVT. LTD. | South 24 Parganas | Baruipur | PLOT NO- 1602, ZONE-9, PHASE-II,CALCUTTA LEATHER COMPLEX, BHANGORE | | | | | |
| 30 | M/S NUPURMAHAL | Nadia | Krishnanagar Sadar | MAYAKOL, NH-34 | | | | | |
| 31 | M/S NUR ALAM | Murshidabad | Kandi | NAGAR | | | | | |
| 32 | M/S - NURJAMAL HOSSAIN | Murshidabad | Kandi | S/O KABIR HOSSAIN | | | | | |
| 33 | M/SO EAST INDIA HEALTH CARE PVT LTD. (GENESIS HOSPITAL) | Kolkata | Kolkata | 1470, RAJDANGA MAIN ROAD , Near Kasba Golpark | | | | | |
| 34 | M/S OMPRAKASH SHA | Jalpaiguri | Mal Bazar | CHALSA GOLAI | | | | | |
| 35 | M/S OMRICE MILLS PVT. LTD. | Jhargram | Jhargram | VILL-JOALBHANGA,P.O-DAHIJURI,P.S-BINPUR,DIST-JHARGRAM | | | | | |
| 36 | M/S OMSH | North 24 Parganas | Bidhannagar | Jogardanga,rajarht main Rd | | | | | |
| 37 | M/S ONE AUTO PVT LTD | South 24 Parganas | Alipore | C5 86/11 New B.B.T. Road , Maheshtala | | | | | |
| 38 | M/S ON KAR ENTERPRISE | North 24 Parganas | Barrackpore | Bodai Industrial Estate | | | | | |
| 39 | M/S-OODLABARI TYRES | Jalpaiguri | Mal Bazar | NH-31,Oodlabari | | | | | |
| 40 | M/S OPPO MOBILES BANGLA PRIVATE LTD. | Paschim Bardhaman | Asansol | 108,GROUND FLOOR, CENTRUM MALL SHRISTI NAGAR ASANSOL | | | | | |
