| Official website | Required DSC | Website URL |
|---|---|---|
| eProcurement (Govt. of Andhra Pradesh) | Class 2 Signing and Encryption | Visit Website |
| eProcurement (Govt. of Telangana) | Class 2 Signing and Encryption | Visit Website |
| Central Public Procurement Portal (Govt. of India) | Class 2 Signing | Visit Website |
| Defence eProcurement Portal (Ministry of Defence) | Class 2 Signing | Visit Website |
| Visakhapatnam Port Trust Tenders Information System | Class 2 Signing | Visit Website |
| Hindustan Shipyard Limited Tenders | Class 2 Signing | Visit Website |
| Indian Oil e-Tenders | Class 2 Signing | Visit Website |
| Kerala State Civil Suppliers | Class 3 Signing and Encryption | Visit Website |
| BSNL Tenders | Class 3 Signing and Encryption | Visit Website |
| GAIL eProcurement | Class 3 Signing and Encryption | Visit Website |
| NTPC eTender | Class 3 Signing and Encryption | Visit Website |
|
HPCL Tenders and Contracts |
Class 3 Signing | Visit Website |
| HAL eProcurement Portal | Class 3 Signing and Encryption | Visit Website |
|
Indian Railways E-Procurement System (IREPS) |
Class 3 Signing and Encryption | Visit Website |
| Central Public Works Department (Govt. of India) | Class 3 Signing and Encryption | Visit Website |
| Visakhapatnam Steel Plant E-Tendering System | Class 3 Signing and Encryption | Visit Website |
| MSTC e-Commerce | Class 3 Signing and Encryption | Visit Website |
|
State Civil Supplies Corporation Ltd (Govt. of A.P) |
Class 3 Signing and Encryption | Visit Website |
| NSPOT Trading system | Does not Require DSC | Visit Website |
