Mecon Ltd, Ranchi.

Cecon Ltd, Bhilai.

Descon Ltd, Kolkata.

M.N.DASTUR & Company Pvt Ltd, Chennai.

ESPIC Consulting Pvt Ltd, Indore.

Fichtner Consulting Engineers India Pvt Ltd, Chennai

ARK Engineering & Consultant Pvt Ltd, Trichy

AVV Power Engineers Pvt Ltd, Chennai.

Snyder Energo Pvt Ltd, Bagalore.

TCE-Bangalore.