| Job Name | Section | Vendor | LOA Number | 
| Laying & Construction of Steel Gas Pipeline & Terminals (Section 1 & 2) | 1 | M/s KALPATARU POWER TRANSMISSION LTD. (renamed as KALPATARU PROJECTS INTERNATIONAL LTD.) | IGGL/LOA/LAYING/SEC-1&2/PART-A dated 05.01.2021 | 
| 1 | M/s KALPATARU POWER TRANSMISSION LTD.  | IGGL/LOA/LAYING/SEC-1&2/PART-B dated 05.01.2021 | |
| 1 & 2 | M/s ACE PIPELINE CONTRACTS PVT. LTD. | IGGL/LOA/LAYING/SEC-1&2/PART-C dated 05.01.2021 | |
| 1 | M/s ACE PIPELINE CONTRACTS PVT. LTD. | IGGL/LOA/LAYING/SEC-1&2/PART-D dated 05.01.2021 | |
| Laying & Construction of Steel Gas Pipeline & Terminals (Section 3,5&9) | 3 | M/s CORRTECH INTERNATIONAL LTD. | IGGL/LOA/LAYING359/05/51/23UU/IGGL/001-i-2/CIPL dated 02.09.2021 | 
| 5 & 9 | M/s LIKHITHA INFRASTRUCTURE LTD. | IGGL/LOA/LAYING359/05/51/23UU/IGGL/001-i-2/LIL dated 02.09.2021 | |
| Laying & Construction of Steel Gas Pipeline & Terminals (Section 4,6,7,8,13 & 14) | 6 & 14 | M/s ADVANCE INFRASTRUCTURES (P) LTD. | IGGL/LOA/LAYING-PART A/05/51/23UU/IGGL/001-I-3/AIPL dated 21.04.2022 | 
| 4 | M/s OVAL PROJECTS ENGINEERING PVT. LTD. | IGGL/LOA/LAYING-PART B/05/51/23UU/IGGL/001-I-3/OVAL dated 21.04.2022 | |
| 7 & 13 | M/s CORRTECH INTERNATIONAL LTD. | IGGL/LOA/LAYING-PART C/05/51/23UU/IGGL/001-I-3/CIPL dated 21.04.2022 | |
| 8 | M/s CORRTECH INTERNATIONAL LTD. | IGGL/LOA/LAYING-PART D/05/51/23UU/IGGL/001-I-3/CIPL dated 21.04.2022 | |
| Laying & Construction of Steel Gas Pipeline & Terminals (Section 12) | 12 | M/s KEC SPUR INFRASTRUCTURE PVT. LTD. | IGGL/LOA/LAYING-SEC-12/05/51/23UU/IGGL/001-i-4/KEC dated 25.08.2022 | 
| Laying & Construction of Steel Gas Pipeline & Terminals (Section 10 & 11) | 10 | M/s CORRTECH INTERNATIONAL LTD. | IGGL/LOA/VCS21000018/CORR/PART-A dated 14.12.2022 | 
| 10 | M/s CORRTECH INTERNATIONAL LTD. | IGGL/LOA/VCS21000018/CORR/PART-B dated 14.12.2022 | |
| 11 | M/s MASTEK ENGINEERING PVT. LTD. | IGGL/LOA/VCS21000018/MAST/PART-C daed 30.11.2022 | |
| 11 | M/s RAM BARAN SINGH APEX PVT. LTD. | IGGL/LOA/ VCS21000018/RBS/PART-E dated 30.11.2022 | |
| Laying & Construction of Steel Gas Pipeline & Terminals (Section 11-Balance) | 11 | M/s RAM BARAN SINGH APEX PVT. LTD. | IGGL/LOA/ VCS21000032/RBS/D1 dated 23.05.2023 | 
| 11 | M/s RAM BARAN SINGH APEX PVT. LTD. | IGGL/LOA/ VCS21000032/RBS/D2 dated 23.05.2023 | 
