1. Central Railway Bhusawal Division, Maharashtra, Govt. of India 2. Bihar State Building Construction Corporation Ltd. (BSBCCL), Patna, Govt. of Bihar 3. Bihar State Education Infrastructure Development Corporation (BSEIDC), Patna, Govt. of Bihar 4.Bihar Education Department Patna, Govt. of Bihar 5. Bihar State Food Corporation Ltd. (BSFC), Patna, Govt. of Bihar 6. Bihar Urban Infrastructure Development Corporation Ltd. (BUIDCO), Patna, Govt. of Bihar 7. Rural Work Department (RWD), Patna, Govt. of Bihar 8. Road Construction Department (RCD), Circle-1, Patna, Govt. of Bihar 9. Road Construction Department (RCD), Sheikhpura, Govt. of Bihar 10. Patna Municipal Corporation (Nagar Nigam), Patna, Govt. of Bihar 11. The oriental insurance Company, Patna, Govt. of India (undertaking)