| 26 | COMSINE RESEARCH CENTRE - U73100WB1984PLC038020 |
| 27 | CRITICAL MASS MULTILINK LIMITED - U73100WB2003PLC096794 |
| 28 | D.N. MEMORIAL CENTRE FOR RESEARCH AND DE VELOPMENT - U73200WB1992GAP055217 |
| 29 | DAKSHA RESEARCH AND CONSULTING PRIVATE LIMITED - U73100WB2011PTC164040 |
| 30 | DURGAPUR HOSPITAL AND RESEARCH CENTRE PRIVATE LIMITED - U73100WB2013PTC195377 |
| 31 | E D C C RESEARCH CENTRE PVT. LTD. - U73100WB1990PTC048428 |
| 32 | EASTERN INDIA INSTITUTE OF MEDICAL SCIENCE & RESEARCH HOSPITALS LTD - U73200WB1994PLC065712 |
| 33 | EBMZONE CLINICAL & EPIDEMIOLOGICAL RESEARCH PRIVATE LIMITED - U73100WB2013PTC191504 |
| 34 | ELECTRA HOSPITALS AND CANCER RESEARCH CENTER PRIVATE LIMITED - U73200WB2018PTC224574 |
| 35 | ENVIROTECH SOLUTIONS PRIVATE LIMITED - U73200WB2006PTC111475 |
| 36 | EQUAL ANGLE RESEARCH ASSOCIATION - U73100WB2017NPL220197 |
| 37 | EXCEDIA SKILL PRIVATE LIMITED - U73200WB2018PTC224343 |
| 38 | EXCEL MEDICAL RESEARCH PRIVATE LIMITED - U73100WB2004PTC100623 |
| 39 | EXPRESS ECONOMIC RESEARCH & PROJECTS LIMITED - U73100WB2011PLC164263 |
| 40 | FIDDLE ENGINEERING PRIVATE LIMITED - U73100WB2014PTC202184 |
| 41 | FIVE STAR ENVIRONMENTAL SOLUTION PRIVATE LIMITED - U73100WB2007PTC118618 |
| 42 | FOCUS RESEARCH & DEVELOPMENT PRIVATE LIMITED - U73100WB2005PTC103870 |
| 43 | GAZAK TECHNOLOGIES PRIVATE LIMITED - U73100WB2012PTC188633 |
| 44 | GHOSH DASTIDAR INSTITUTE FOR FERTILITY RESEARCH PRIVATE LIMITED - U73100WB1998PTC088341 |
| 45 | GRAVITO-ELECTRIC FORCE FIELD RESEARCH FOUNDATION - U73100WB2017NPL220656 |
| 46 | GREEN SUSTAINABLE TECHNOLOGIES RESEARCH LIMITED - U73100WB2011NPL169403 |
| 47 | HAMILTON RESEARCH & TECHNOLOGY PRIVATE LIMITED - U73100WB1986PTC040967 |
| 48 | HUMOSYS TECHNOLOGIES PRIVATE LIMITED - U73100WB2017PTC221489 |
| 49 | IA POWER DEVELOPMENT (INDIA) LIMITED - U73100WB1999PLC089910 |
| 50 | INDIAN CENTRE FOR SPACE PHYSICS - U73100WB1999NPL090718 |