List of e Tender Portals:
| 1 | Bharat Petroleum Corporation Limited | https://bpcleproc.in | Class 2/class 3 signing encryption |
| 2 | Bharat Heavy Electricals Limited | https://bhel.abcprocure.com/EPROC/ | Class3 signing with encryption |
| 3 | Employees State Insurance Corporation | https://esictenders.eproc.in | Class 3 signing with encryption |
| 4 | Balmer Lawrie | https://balmerlawrie.eproc.in | Class 2/3 signing with encryption |
| 5 | National Projects Construction Corporation Limited | https://npcc.eproc.in | Class 3 signing with encryption |
| 6 | Rites Tender | https://rites.eproc.in | Class 3 signing with encryption |
| 7 | Indian Railway Eprocurement Service | https://www.ireps.gov.in | Classs 3 signing |
| 8 | Bharat Sanchar Nigam Limited | www.tenderwizard.com/BSNL | Class 3 signing |
| 9 | National Institute Of Science Education & Research (NISER) | https://www.tenderwizard.com/NISER | Class 3 signing |
| 10 | Institute Of Hotel Management Catering Technology & Applied | https://www.tenderwizard.com/CTANIHM | Class 3 signing |
| 11 | Hindustan Aeronautics Limited | https://eproc.hal-india.com/HAL/ | Class 3 signing |
| 12 | Life Insurance Corporation Of India | https://www.tenderwizard.com/LIC | Class 3 signing |
| 13 | Central Public Works Department | https://www.tenderwizard.com/CPWD | Class 3 signing |
| 14 | State Bank Of India | https://sbi.abcprocure.com/EPROC/ | Class 3 signing with encryption |
| 15 | Power Grid Corporation Limited | https://pgcileps.buyjunction.in/PGCIL | Class 3 signing with encryption |
| 16 | Ordnance Factory Board | https://ofbeproc.gov.in/ofbeproc | Class 3 signing |
| 17 | Mstc E Tender | https://www.mstcecommerce.com/eprochome | Class 2/3 signing |
| 18 | Mstc Ecommerce For Eauction | https://www.mstcecommerce.com | Class 3 signing |
| 19 | Indian Space Research Organisation | https://eprocure.isro.gov.in | Class 3 signing with encryption |
| 20 | Damodar Valley Corporation | https://etender.dvc.gov.in | Class 3 signing with encryption |
| 21 | Department Of Atomic Energy | https://etenders.dpsdae.gov.in | Class 2/3 signing with encryption |
| 22 | North Eastern Council Secretariat, Shillong | https://nec.euniwizard.com/ | Class 3 signing with encryption |
| 23 | Garden Reach Shipbuilders & Engineers | http://eprocuregrse.co.in | Class 2/3 signing |
| 24 | Central Public Procurement Portal | https://eprocure.gov.in | Class 2/class 3 signing |
| 25 | West Bengal E Tender | https://wbtenders.gov.in | Class 2/3 signing |
| 26 | Coal India Etender | https://coalindiatenders.gov.in | Class 2/3 signing |
| 27 | Central Public Procurement Portal | https://etenders.gov.in | Class 3 signing |
| 28 | Ntpc Limited | https://eprocurentpc.nic.in | Class 2/3 signing |
| 29 | Indian Oil Corporation Limited | https://iocletenders.nic.in | Class 2/3 signing |
| 30 | Bharat Earth Movers Limited | http://www.bemlindia.com/eprocurement | Class 3 signing with encryption |
| 31 | Bhilai Steel Plant Sail | https://eproc.sail-bhilaisteel.com/irj/portal | Class 3 signing with encryption |
| 32 | Oil & Natural Gas | https://etender.ongc.co.in/irj/portal | Class 2/class 3 signing |
| 33 | Oil India Limited | https://etender.srm.oilindia.in | Class 3 signing with encryption |
| 34 | Gas Authority Of India Limited | https://etender.gail.co.in | Class 3 signing with encryption |
| 35 | NTPC-SAIL Power Company Limited (A Joint Venture Of NTPC & SAIL ) | http://srmportal.nspclsrijan.co.in:50000/irj/portal | Class 3 signing |
| 36 | Hindustan Petroleum Corporation Limited | https://etender.hpcl.co.in | Class 2/3 signing with encryption |
| 37 | National Aluminium Company Limited | https://epci.nalcoindia.co.in/irj/portal | Class 3 signing with encryption |
| 38 | Andhra Pradesh Tender | https://tender.apeprocurement.gov.in | Class 3 signing with encryption |
| 39 | Talangana Tenders | http://eprocurement.telangana.gov.in | Class 3 signing with encryption |
| 40 | Commonwealth Handling Equipment Pool | https://eproc.cgstate.gov.in/CHEPS | Class 3 signing with encryption |
| 41 | Indian Farmers Fertiliser Co-Operative Limited | https://www.iffcoindia.com | Class 3 signing with encryption |
| 42 | Maharashtra State Power Generation Co. Ltd. | http://sets.mahagenco.in | Class 3 signing with encryption |
| 43 | Neyveli Lignite Corporation Limited | http://eproc.nlcindia.com | Class 3 signing with encryption |
| 44 | Bihar Eprocurement | https://www.eproc.bihar.gov.in//BELTRON | Class 2/class 3 signing |
| 45 | Sikkim Tender | https://sikkimtender.gov.in | Class 2/class 3 signing |
| 46 | Tripura Tender | https://tripuratenders.gov.in | Class 2/class 3 signing |
| 47 | Odisha Tender | https://tendersodisha.gov.in | Class 2/class 3 signing |
| 48 | Uttar Pradesh Tender | https://etender.up.nic.in | Class 2/class 3 signing |
| 49 | Bsnl Kolkata Tender | https://www.tenderwizard.com/BSNLKOL | Class 3 signing |
| 50 | Government Of Madhya Pradesh | https://www.mpeproc.gov.in/ | Class 3 signing |
| 51 | Brahmaputra Valley Fertilizer Corporation Limited | https://bvfcl.etenders.in | Class 3 signing with encryption |
| 52 | Punjab National Bank | https://pnbindia.biz/login | Class 3 signing with encryption |
| 53 | Bharat Electronics Limited Eprocurement Portal | https://hpcrmp.iscodom.com/irj/portal | Class 3 signing with encryption |
| 54 | Bharat Electronics Limited Eprocurement Portal | http://eprocurebel.co.in | Class 2/class 3 signing |
| 55 | Telecommunications Consultants India Limited | https://www.tcil-india-electronictender.com | Class 3 signing |
| 56 | National Buildings Construction Corporation Limited | https://www.tenderwizard.com/NBCC | Class 3 signing |
| 57 | Assam Tender | https://assamtenders.gov.in | Class 2/class 3 signing |
| 58 | Government Of Karnataka Tender | https://eproc.karnataka.gov.in/eprocurement/login.seam | Class 3 signing with encryption |
| 59 | Nuclear Power Corporation Of India | https://npcil.etenders.in | Class 3 signing with encryption |
| 60 | Vizag Steel Tender | https://srm.vizagsteel.com | Signature not required |
| 61 | Sail Bokaro Tender | https://eproc.bokarosteel.sailbsl.in/irj/portal | Signature not required |
| 62 | Tamilnadu Newsprint And Paper Limited | https://eps.buyjunction.in/QEPS/security/getTNPLSignInAction.do | Signature not required |
| 63 | Mahajenco (Maharashtra State Power Generation Co. Ltd. | http://sets.mahagenco.in | Class 2/class 3 signing with encryption |
| 64 | Sail Durgapur Steel Plant | https://srm.saildsp.co.in/irj/portal | Signature not required |