Arunachal Pradesh
Tripura
Meghalaya:
Mizoram
Others
- North Eastern Electric Power Corporation
- NHPC
- National Building Construction Corporation Limited
- Distrectorate General of Supply & Disposals
- MES
- HUDCO
- NF Railways
- BSNL
- CPWD- NEPA Project Division
- Minstry of Home Affair - Govt. Of India
- Powergrid Corporation of India Limited
- Airports Authority of India
- National Highways & Infrastructure Development Corporation Ltd.