• INGERSOLL RAND INDIA LIMITED, NARODA, AHMEDABAD
• DRESSER RAND INDIA (PVT. ) LIMITED, NARODA, AHMNEDABAD
• KIRLOSKAR PNEUMATIC COMPANY LIMITED, PUNE

BB: OIL, PETROLEUM & REFINERY INDUSTRIES

• INDIAN OIL CORPORATION LIMITED- MATHURA
• INDIAN OIL CORPORATION LIMITED- PANIPAT
• INDIAN OIL CORPORATION LIMITED- VADODARA
• INDIAN OIL CORPORATION LIMITED- HALDIA
• INDIAN OIL CORPORATION LIMITED- GUWAHATI
• CHENNAI PETROLEUM CORPORATION LIMITED, CHENNAI
• BHARAT PETROLEUM CORPORATION LIMITED, MUMBAI
• HINDUSTAN PETROLEUM CORPORATION LIMITED, MUMBAI
• HINDUSTAN PETROLEUM CORPORATION LIMITED, VISAKHAPATNAM
• OIL & NATURAL GAS CORPORATION LIMITED, ANKLESHWA & HAZIRA
• INDIAN PETROCHEMICAL CORPORATION LIMITED, NAGOTHANE
• RELIANCE INDUSTRIES LIMITED, HAZIRA
• RELIANCE INDUSTRIES LIMITED, PATALGANGA
• OIL & NATURAL GAS CORPORATION LIMITED, RAJAHMUNDRY

CC: FERTILIZER INDUSTRIES:

• INDIAN FARMERS FERTILIZERS CO-OPERATIVE LIMITED- KALOL
• INDIAN FARMERS FERTILIZERS CO-OPERATIVE LIMITED- KANDLA
• INDIAN FARMERS FERTILIZERS CO-OPERATIVE LIMITED- PHULPUR
• KRISHAK BHARATI CO-OPERATIVE LIMITED, HAZZIRA
• GUJARAT STATE FERTILIZERS & CHEMICAL LIMITED, VADODARA
• NATIONAL FERTILIZERS LIMITED, NAYA NANGAL
• NATIONAL FERTILIZERS LIMITED, BATHINDA
• ZUARI INDUSTRIS LIMITED, GOA

DD: POWER PLANT

• NUCLEAR POWER CORPORATION OF INDIA LIMITED, TARAPUR
• NUCLEAR POWER CORPORATION OF INDIA LIMITED, KOTA
• NUCLEAR POWER CORPORATION OF INDIA LIMITED, MUMBAI
• HEAVY WATER PLANT, VADODARA
• HEAVY WATER PLANT, TUTICORIN
• HEAVY WATER PLANT, HAZZIRA

EE: STEEL PLANTS:

• VISAKAHPATNAM STEEL PLANT
• STEEAL AUTHORITY OF INDIA LIMITED, BOKARO
• ESSAR STEEL LIMITED, HAZIRA

FF: CEMENT INDUSTRIES

• AMBUJA CEMENTS LIMITED, KODINAR
• GAJAMBUJA CEMENT, KODINAR
• MARATHA CEMENT WORKS, GADCHANDUR
• BIRLA CEMENT,( M.P.)
• GUJARAT AMBUJA CEMENTS LIMITED, RABRIYAWAS
• GUJARAT AMBUJA CEMENTS LIMITED, DARLAGHAT
• AMBUJA CEMENTS EASTERN LIMITED, RAIPUR

GG: OTHER E.P.C. CLIENTS

• KTI LIMITED, NOIDA
• L & T LIMITED, VADODARA
• PUNJ LLOYD LIMITED, NEW DELHI