| 1 | A.D.Enterprise | 1498294168 | 259, Bipin Ganguly Road 700030 North 24 Parganas Barrackpore | View Certificate Validity |
| 2 | Aloka Engineering | 1498303323 | Tejganj Garai Math 713102 Purba Bardhaman | View Certificate Validity |
| 3 | Aloka Engineering | 1556368156 | Vill- Tejganj, P.O.- Nutanganj 713102 Purba Bardhaman Burdwan Sadar ( South ) | View Certificate Validity |
| 4 | ALOKA ENGINEERING | 1635045335 | Kulgoria Choti, Sanko 713141 Purba Bardhaman Burdwan Sadar ( North ) | View Certificate Validity |
| 5 | ALOKA ENGINEERING | 1702247260 | Tejganj, Balamhat 713102 Purba Bardhaman Burdwan Sadar ( North ) | View Certificate Validity |
| 6 | ASSOCIATE ENGINEERS | 1624224625 | Behind PNB Building,BSNL Building, 1st Floor, Mecheda, Purba Medinipur. 721137 East Midnapore Tamluk | View Certificate Validity |
| 7 | A W ENTERPRISE | 1529714245 | B-55 IRON GATE ROAD KOLKATA 700024 Kolkata Kolkata | View Certificate Validity |
| 8 | Beta and Co | 1498141275 | Mogra Hospital Road Mogra 712148 Hooghly Chinsurah | View Certificate Validity |
| 9 | Beta and Co | 1550470227 | MOGRA HOSPITAL ROAD
PO MOGRA PS MOGRA
DISTRICT HOOGHLY
WEST BENGAL 712148 Hooghly Chinsurah | View Certificate Validity |
| 10 | B K Boiler Engineering Works | 1562031614 | Marut,P.O-Marut 742161 Murshidabad Kandi | View Certificate Validity |
| 11 | B.K.Boiler Engineering Works | 1549535246 | Mothabari (Green Market) Maldah | View Certificate Validity |
| 12 | B.K.Construction | 1499016733 | A-10, Subhas Pally Bidhannagar, Durgapur 703212 Purba Bardhaman | View Certificate Validity |
| 13 | B.Mukherjee | 1498298044 | 2, Govt. Colony Belgharia 700056 North 24 Parganas Barrackpore | View Certificate Validity |
| 14 | B.MUKHERJEE | 1647676683 | Beigharia 700056 North 24 Parganas Barrackpore | View Certificate Validity |
| 15 | Bonzar Boilers | 1626042689 | VILL- SRIRAMPUR, P.O- MAHISREKHA, P.S.- RAJAPUR. 711303 Howrah Uluberia | View Certificate Validity |
| 16 | BONZAR BOILERS | 1558806353 | 55, Chanditala Main Road, Kolkata-53 700053 Kolkata Kolkata | View Certificate Validity |
| 17 | BONZAR BOILERS | 1707560053 | Vill.- Srirampur , P.o.- Mahisrekha , p.s.- Rajapur , Dist.- Howrah - 711303 711303 Howrah Uluberia | View Certificate Validity |
| 18 | Bostin Engineers Pvt. Ltd. | 1641628819 | Daw Building 2nd Floor 184 Lenin Sarani Kolkata 700013 Kolkata Kolkata | View Certificate Validity |
| 19 | B R ENTERPRISE | 1547825935 | SANTA DANGAL, BURNPUR 713325 Paschim Bardhaman Asansol | View Certificate Validity |
| 20 | B.R.ENTERPRISE | 1682160464 | SANTA DANGAL, BURNPUR 713325 Paschim Bardhaman Asansol | View Certificate Validity |
| 21 | Bridge And Roof Company India Limited | 1556707889 | 427/1, Grand Trunk Road, Howrah 711101 Howrah Howrah Sadar | View Certificate Validity |
| 22 | Bridge And Roof Company India Limited | 1746738147 | 427/1, Grand Trunk Road, Howrah, West Bengal 711101 Howrah Howrah Sadar | View Certificate Validity |
| 23 | CHITRITA ENGINEERING | 1516964223 | MIRCHOBA DAKSHIN, MANASHA TALA,PO-SRIPALLY, DIST-BURDWAN, PIN-713103 713103 Purba Bardhaman Burdwan Sadar ( North ) | View Certificate Validity |
| 24 | CHITRITA ENGINEERING | 1571464659 | MIRCHOBA DAKSHIN, MANASHA TALA, P.O. SRIPALLY
DISTRICT PURBA BURDWAN 713103 Purba Bardhaman Burdwan Sadar ( North ) | View Certificate Validity |
| 25 | Choudhury Enterprise | 1498605203 | Gorkhara Badamtala, Sonarpur 700150 South 24 Parganas | View Certificate Validity |
| 26 | C S Engineering and Foundry Works | 1575785435 | Dildar Nagar, Ambedkar Road, Asansol, Paschim Bardhaman. 713303 Paschim Bardhaman Asansol | View Certificate Validity |
| 27 | C.S. Engineering and Foundry Works | 1498291757 | Dildar Nagar Asansol 713303 Paschim Bardhaman Asansol | View Certificate Validity |
| 28 | Davy Engineering Co. Pvt. Ltd | 1498259134 | J-359/1, Paharpur Road 700024 Kolkata Kolkata | View Certificate Validity |
| 29 | Delcon Engineering Services | 1498792123 | 127E, James Long Sarani 700008 Kolkata Kolkata | View Certificate Validity |
| 30 | DICOS | 1498564004 | 27/3B, Chandi Ghosh Road 700040 Kolkata | View Certificate Validity |
| 31 | DMC Construction | 1498771829 | Purba Srikrishnapur P.S-Sutahata 721635 East Midnapore | View Certificate Validity |
| 32 | DMC CONSTRUCTION | 1550621507 | Purba Srikrishnapur, P.S. - Sutahata, Purba Medinipur 721635 East Midnapore Haldia | View Certificate Validity |
| 33 | Dynamid Engineers Pvt. Ltd. | 1498998208 | 4/11, Chanditala Lane 700040 Kolkata | View Certificate Validity |
| 34 | Edifice Engineering Enterprise Pvt. Ltd. | 1517681689 | Rabindrapally, Dhandabag, Durgapur, West Bengal 713203 Paschim Bardhaman Durgapur | View Certificate Validity |
| 35 | Energy Engineering Services | 1498531106 | 25, Dr. Lalit Banerjee Sarani , 1st Floor 700073 Kolkata Kolkata | View Certificate Validity |
| 36 | Energy Plus | 1498805917 | 7, Avenue East Modern Park, Santoshpur 700075 Kolkata Kolkata | View Certificate Validity |
| 37 | Enertech Systems & Solutions Pvt. Ltd. | 1498708047 | A-05/129, Poddar Vihar VIP Road, Kaikhali 700052 Kolkata | View Certificate Validity |
| 38 | Fabtek Engineering Services | 1498332651 | D-7, Rabindra Pally 700086 Kolkata | View Certificate Validity |
| 39 | FABTEK ENGINEERING SERVICES | 1579544380 | D7, RABINDRAPALLY, BAGHAJATIN 700086 Kolkata Kolkata | View Certificate Validity |
| 40 | Flowtherm Engineering Pvt. Ltd. | 1498629403 | 7, B.B. Ghosh Road Burir Bagan 713101 Purba Bardhaman Burdwan Sadar ( North ) | View Certificate Validity |
| 41 | Ganmukh and Co. | 1506022836 | Vill- Barabar, P.O- Panitras, P.S- Bagnan, Dist- Howrah. 711303 Howrah Uluberia | View Certificate Validity |
| 42 | GHOSH ENGEINEERING | 1609845268 | GOPINATHPUR AMBAGAN DURGAPUR 11, Pascchim Burdwan West Bengal 713211 Paschim Bardhaman Durgapur | View Certificate Validity |
| 43 | Ghosh Engineering | 1498856271 | Gopinathpur (Ambagan) Durgapur 713219 Purba Bardhaman | View Certificate Validity |
| 44 | Ghosh Engineering | 1529334597 | Gopinathpur Ambagan,Durgapur,Burdwan713219 713219 Paschim Bardhaman Durgapur | View Certificate Validity |
| 45 | GHOSH ENGINEERING | 1674867586 | Gopinathpur, Ambagan, Durgapur, Paschim Bardhaman 713211 Paschim Bardhaman Durgapur | View Certificate Validity |
| 46 | G.T.Enterprise | 1498981820 | Sanjib Sarani, Durgapur 713201 Paschim Bardhaman Durgapur | View Certificate Validity |
| 47 | India Construction | 1498139505 | 114/2, West Ghoshpara Road Athpur 743128 North 24 Parganas Barrackpore | View Certificate Validity |
| 48 | ISGEC HEAVY ENGINEERING LTD. | 1705452002 | C/o M/s Petro Carbon and Chemicals Pvt. Ltd., PO-Oil Refinery Haldia, Dist. Purba Midnapur 721606 East Midnapore Haldia | View Certificate Validity |
| 49 | J.T.Enterprise | 1498787973 | 54, South Rabindrapally Shyamnagar 743127 North 24 Parganas | View Certificate Validity |
| 50 | Krishna Engineering Workshop | 1498199167 | Trisulapatty, Nanoor Road Bolpur 731204 Birbhum Bolpur | View Certificate Validity |
| 51 | Loknath Baba Engineering Co. | 1498444955 | 55/4, Tantipara Lane 711104 Howrah | View Certificate Validity |
| 52 | LOKNATH BABA ENGINEERING CO. | 1608878350 | 55/4, TANTI PARA LANE, HOWRAH, HOWRAH SADAR, PIN-711104 711104 Howrah Howrah Sadar | View Certificate Validity |
| 53 | LOKNATH BABA ENGINEERING CO. | 1670276023 | 23, BROJO NATH LAHIRI LANE, SANTRAGACHI,HOWRAH-711104 711104 Howrah Howrah Sadar | View Certificate Validity |
| 54 | Maa Tara Engineering Works | 1498602548 | Raghunathpur Alamganj, Natungang, Purba Barddhaman 713102 Purba Bardhaman Burdwan Sadar ( North ) | View Certificate Validity |
| 55 | MAHAMAYA ENTERPRISE | 1539306077 | MOUTORH 723145 Purulia Raghunathpur | View Certificate Validity |
| 56 | M.CON ENGINEERING | 1528673825 | A/P-68/A, Canal South Road, Ground Floor, Metropolitan Co-Op Housing Society Limited, Sector-A, Kolkata-700105 700105 Kolkata Kolkata | View Certificate Validity |
| 57 | M CON ENGINEERING SYSTEM | 1513452362 | 9/1 DIAMOND HARBOUR ROAD 700038 Kolkata Kolkata | View Certificate Validity |
| 58 | Mechno Services | 1498659189 | 7/2, Monilal Chatterjee lane 711103 Howrah | View Certificate Validity |
| 59 | MINION | 1512539958 | 51, SANTOSHPUR AVENUE 700075 Kolkata Kolkata | View Certificate Validity |
| 60 | MODERATE ENGINEERING COMPANY | 1513253176 | 65, KALI KUNDU LANE, GROUND FLOOR, ROOM NO. 2,HOWRAH 711101 Howrah Howrah Sadar | View Certificate Validity |
| 61 | MODERATE ENGINEERING COMPANY | 1573006927 | 65 Kali Kundu Lane, Howrah 711101 Howrah Howrah Sadar | View Certificate Validity |
| 62 | M/S B.K. Construction | 1607207444 | A 10 SUBHAS PALLY BIDHANNAGAR DURGAPUR 12 713212 Paschim Bardhaman Durgapur | View Certificate Validity |
| 63 | MSBKCONSTRUCTION | 1529977505 | SUBHASPALLY
BIDHANNAGAR
DURGAPUR 713212 Paschim Bardhaman Durgapur | View Certificate Validity |
| 64 | M.S.Construction | 1498346017 | 4A 3, Sukanta Pally West, Dhandabag, Durgapur 713203 Paschim Bardhaman Durgapur | View Certificate Validity |
| 65 | M.S. Construction | 1731519577 | 4 A/3Sukanta Pally, Dhandabag West, Durgapur,
713203 Paschim Bardhaman Durgapur | View Certificate Validity |
| 66 | M/S-Sanat Kumar Mukherjee | 1628748376 | 227 Ashwini Kumar Mondal Road, 1st Floor, Room No.5 711101 Howrah Howrah Sadar | View Certificate Validity |
| 67 | Mukherjee Engineering | 1498139932 | Plot No.13, D.P.L Officers Co-Opt. Housing Society Ltd Durgapur 703214 Paschim Bardhaman Durgapur | View Certificate Validity |
| 68 | N.C.Mandal and Co | 1498519418 | 164/A/30 Prince Anwar Shah Road 700045 Kolkata Kolkata | View Certificate Validity |
| 69 | N D Mozumdar and Co | 1641072336 | 7 South End Park 2nd Floor Kolkata 700029 Kolkata Kolkata | View Certificate Validity |
| 70 | NMD ENGINEERING WORKS | 1530072647 | BASUDEVPUR, KHANJANCHAK, DURGACHAK, HALDIA, PURBA MEDINIPUR 721602 East Midnapore Haldia | View Certificate Validity |
| 71 | N P ENERPRISE | 1768561955 | 12 NATUNPALLY BUDHERHAT 700099 Kolkata Kolkata | View Certificate Validity |
| 72 | N S Construction | 1630172630 | 12/12, Desh Bandhu Nagar,
Durgapur-713204 713204 Paschim Bardhaman Durgapur | View Certificate Validity |
| 73 | N.S.Construction | 1498937875 | 12/12, Deshbandhu Nagar Durgapur 713204 Paschim Bardhaman Durgapur | View Certificate Validity |
| 74 | P E ERECTORS PRIVATE LIMITED | 1711100452 | 4 Beni Banerjee Avenue, Kolkata -700031 700084 Kolkata Kolkata | View Certificate Validity |
| 75 | P.E.ERECTORS PRIVATE LIMITED | 1533045239 | 4, Beni Banerjee Avenue, Kolkata-700031 700031 South 24 Parganas Baruipur | View Certificate Validity |
| 76 | P.E.Erectors Private Ltd. | 1498216928 | 4, Beni Banerjee Avenue 700031 Kolkata | View Certificate Validity |
| 77 | P.K.Engineering Service | 1498452615 | 51, Bidisha Sarani Durgapur, Bally 711205 Howrah Howrah Sadar | View Certificate Validity |
| 78 | P.K.Enterprise | 1498317178 | Ballavpur Raniganj 713323 Purba Bardhaman | View Certificate Validity |
| 79 | P.K.Enterprise | 1633187612 | Raghunathchak, P.O.- Ballavpur, P.S.- Raniganj 713347 Paschim Bardhaman Asansol | View Certificate Validity |
| 80 | P.Kuthe And Co. | 1498714425 | 478, Sarat Chatterjee Road Bataitala 711103 Howrah Howrah Sadar | View Certificate Validity |
| 81 | POWER AND PROJECTS | 1529518134 | 15/12, G.T. ROAD, P.O.- BAIDYABATI, DIST. - HOOGHLY 712222 Hooghly Serampore | View Certificate Validity |
| 82 | Power Max India Pvt. Ltd | 1499021554 | STEPHEN COURT, 5TH FLOOR, 18A PARK STREET, KOLKATA - 700071 700071 Kolkata Kolkata | View Certificate Validity |
| 83 | Prasanta Karmakar | 1498460275 | Purbasha Colony, Ushagram Asansol 713303 Paschim Bardhaman Asansol | View Certificate Validity |
| 84 | RAMKRISHNA ENGINEERING WORKS | 1529768561 | 26/1, HRIDAY KRISHNA BANERJEE 1ST BYE LANE, HOWRAH - 711101 711101 Howrah Howrah Sadar | View Certificate Validity |
| 85 | R.B.Engineering Works | 1498542398 | 199/12, S.K.Deb Road Lake Town 700048 Kolkata | View Certificate Validity |
| 86 | R.P.Engineering | 1499013894 | 14/3, Galif Street Baghbazar 700003 Kolkata Kolkata | View Certificate Validity |
| 87 | R S CONSTRUCTION and CO | 1519329221 | SANJIB SRANI, BLOCK-A, DURGAPUR-713201 713201 Paschim Bardhaman Durgapur | View Certificate Validity |
| 88 | Sanat Kumar Mukherjee | 1498146432 | 227, Bellilious Road Room No-5 ,1st Floor. 711101 Howrah Howrah Sadar | View Certificate Validity |
| 89 | Sanat Kumar Mukherjee | 1564140821 | 227,Belilious Road ,1st floor Room no-5. 711101 Howrah Howrah Sadar | View Certificate Validity |
| 90 | Sayak Engineering And Consultancy | 1718021869 | 15 K B Lane, Howrah 711104 Howrah Howrah Sadar | View Certificate Validity |
| 91 | S GEE POWER | 1757385987 | G-60, RAKESH SHARMA STREET, SEC-2B
BIDHANNAGAR, DURGAPUR, DIST. PASCHIM BARDHAMAN, WEST BENGAL, PIN-713212 713212 Paschim Bardhaman Durgapur | View Certificate Validity |
| 92 | S.M.S Engineering Services | 1498723550 | Kesh Market, Hattala Road Durgapur 713201 Purba Bardhaman | View Certificate Validity |
| 93 | SMS ENGINEERING SERVICES | 1531220882 | A.C MARKET IST FLOOR, HATTALA ROAD
DURGAPUR 713201 Paschim Bardhaman Durgapur | View Certificate Validity |
| 94 | Sree Durga Engineering Works | 1498530374 | 7, Durgadas Kuthe Lane Mallick fatak 711101 Howrah Howrah Sadar | View Certificate Validity |
| 95 | S.S.Engineering | 1498813455 | 25, Sandillya Para lane Uttarpara 712245 Hooghly Serampore | View Certificate Validity |
| 96 | S.S.Engineering | 1608894578 | 25 Sandillya Para Lane , Makhla P.S. Uttarpara, Dist Hooghly 712245 Hooghly Serampore | View Certificate Validity |
| 97 | Star Engineering Corporation | 1508399296 | 89 Netaji Subhas Road 1st floor, Kolkata - 700001. 700001 Kolkata Kolkata | View Certificate Validity |
| 98 | Steam And Power | 1498182168 | 35, Netaji Subhas Road 700001 Kolkata Kolkata | View Certificate Validity |
| 99 | Steam And Power | 1547775717 | 35, Netaji Subhas Road 700001 Kolkata Kolkata | View Certificate Validity |
| 100 | STEAM CONTROL | 1512700265 | 158 SONAMUKHI ROAD, SURSUNA, KOLKATA 700061 South 24 Parganas Alipore | View Certificate Validity |
| 101 | STEAMLINE INDUSTRIES | 1596493025 | RUIYA POST OFFICE PATULIA POLICE STATION KHARDAH DISTRICT 24 PGS NORTH KOLKATA 700119 700119 North 24 Parganas Barrackpore | View Certificate Validity |
| 102 | Supreme Power Engineering Co. | 1498449441 | 15/1, G.L.Chowdhury Lane B.Garden 711103 Howrah Howrah Sadar | View Certificate Validity |
| 103 | Suvalaxmi Engineering Works | 1499012430 | Vill-Tamultala, P.O-Orphuli P.S-Bagnan, Dist- Howrah. 711303 711303 Howrah Uluberia | View Certificate Validity |
| 104 | Swamina International Private limited | 1498675332 | Kripa Bhavan, Plot:Y20, Black-EP Scetor-V 700091 Kolkata | View Certificate Validity |
| 105 | Swamina International Pvt Ltd | 1733515268 | Plot Y20 Block EP Salt Lake sec V Kolkata - 700091 700091 North 24 Parganas Bidhannagar | View Certificate Validity |
| 106 | SWAMINA INTERNATIONAL PVT. LTD. | 1538124933 | KRIPA BHAWAN, PLOT - Y20, BLOCK - EP, SALT LAKE, SEC - V 700091 Kolkata Kolkata | View Certificate Validity |
| 107 | TECHNO ENGINEERING | 1527761540 | HIirapur, Deriachak, Kolaghat, Purba Medinipur 721151 East Midnapore Tamluk | View Certificate Validity |
| 108 | TECHNO ENGINEERING | 1655826010 | HIRAPUR, PO-DERIACHAK, PS-KOLAGHAT 721151 East Midnapore Tamluk | View Certificate Validity |
| 109 | TECHNO ENGINEERING | 1717851946 | HIRAPUR, PO- DERIACHAK, PS- KOLAGHAT 721151 East Midnapore Tamluk | View Certificate Validity |
| 110 | Techno International | 1498640726 | Khamaru Para, Chamrail Liluah 711323 Howrah Howrah Sadar | View Certificate Validity |
| 111 | TECHNO INTERNATIONAL | 1662255898 | KHAMARU PARA, CHAMRAIL, LILUAH 711114 Howrah Howrah Sadar | View Certificate Validity |
| 112 | Technoserve O and M Private Limited | 1730200459 | Eco-Centre, Unit 503, 5th Floor, Salt Lake, Sector V 700091 North 24 Parganas Bidhannagar | View Certificate Validity |
| 113 | test dolla | 1614264099 | test 700030 Bankura Bankura Sadar | View Certificate Validity |
| 114 | test Mission mill | 1650880926 | tst 700074 Kolkata Kolkata | View Certificate Validity |
| 115 | Test O Rice Mill | 1655573078 | test 700080 Bankura Bankura Sadar | View Certificate Validity |
| 116 | Test RiceD | 1647183814 | test 700032 Paschim Bardhaman Durgapur | View Certificate Validity |
| 117 | Test R rice Mill | 1652384848 | hhg 700074 Alipurduar Alipurduar | View Certificate Validity |
| 118 | Test Steel LTD | 1602857459 | test vill 736121 Alipurduar Alipurduar | View Certificate Validity |
| 119 | THE R.B ENGINEERING WORKS | 1511085548 | 199/12 S.K DEB ROAD, LAKE TOWN, KOLKATA -700048. 700048 North 24 Parganas Barrackpore | View Certificate Validity |
| 120 | Thermal Maintenance and Services | 1498158029 | 58/1, Jessore Road South, Hridaypur 700127 North 24 Parganas Barasat Sadar | View Certificate Validity |
| 121 | Unique Engineering | 1498149820 | 144, B.B.Street , P.O : Bhadrakali , P.S : Uttarpara , Dist : Hooghly , 712232 Hooghly Serampore | View Certificate Validity |
| 122 | Unitech Services | 1498626077 | Kajirhat Lakudi 713102 Purba Bardhaman | View Certificate Validity |
| 123 | United Engineering Enterprise | 1529599718 | Salbagan Road, Benachity, Durgapur - 713213 713213 Paschim Bardhaman Durgapur | View Certificate Validity |
| 124 | United Engineering Enterprise | 1597787220 | Salbagan Road, Benachity, Durgapur - 713213 713213 Paschim Bardhaman Durgapur | View Certificate Validity |
| 125 | UNITED HITECH PVT LTD | 1602995109 | NTPC More Choukee Gram, NazrulPalli , Po Nabarun Ps Farakka Dist: Murshidabad Pin 742236 , 742236 Murshidabad Jangipur | View Certificate Validity |
| 126 | United Technicians | 1521984976 | 36,Mahalakshmi Park, P.O.:ABL Township Durgapur -6 713206 Paschim Bardhaman Durgapur | View Certificate Validity |
| 127 | UNITED TECHNICIANS | 1521499984 | 36, Mahalakshmi Park, Sarat Pally, P.O. -Durgapur Abl Township, Dist- Paschim Bardhaman, W.B. - PIN- 713206 713206 Paschim Bardhaman Durgapur | View Certificate Validity |
| 128 | Universal Construction Co. | 1498248727 | 1st Floor, Shivmandir Lane, Bhawani Prasad Ghosal Building, Kamalpur Plot, Benachity, Durgapur 713213 Paschim Bardhaman Durgapur | View Certificate Validity |
| 129 | Ursa Project Private Ltd. | 1498503091 | Durga Mandir, Kamalpur Plot Benachity, Durgapur 713213 Purba Bardhaman | View Certificate Validity |
| 130 | Utility Projects and Services | 1498432809 | P-754/B, Lake Town Block-A, Kolkata 700089 North 24 Parganas Barrackpore | View Certificate Validity |
| 131 | Weld ON | 1521301731 | 1050/1, Survey Park
Flat No-UV-01-04 B
Kolkata-700075 700075 Kolkata Kolkata | View Certificate Validity |
| 132 | Weld-ON | 1683042134 | 1050/1, Survey Park, Flat No-UV-01-04 B, Kolkata-700 075. 700075 Kolkata Kolkata | View Certificate Validity |
