• LARSEN & TOUBRO LIMITED, PUNE.
• SEW ENGINEERING (INDIA) PVT LTD,SION(E), MUMBAI.
• BHARAT BIJLEE LIMITED,AIROLI, NAVI MUMBAI.
• VSR ELECTRICAL & INSTRUMENTATION (INDIA) PVT. LTD, DOMBIVLI(E).
• SIERRA INSTRUMENTATION & CONTROL, THANE(W).
• OFFSHORE INFRASTRUCTURES LTD, MULUND(W), MUMBAI.
• JOHNSON CONTROLS (I) PVT.LTD, ANDHERI(E) ,MUMBAI.
• ADARSH BUILDING TECHNOLOGIES PVT.LTD, THANE(W).
• HYDROCHEM SYSTEMS (I) PVT. LTD, DOMBIVLI(E).
• GHARDA CHEMICALS LIMITED, DOMBIVLI(E).
• SUPERTECH INSTRUMENTATION SERVICES (I) PVT.LTD, THANE(W).
• NEWSTECH (INDIA) PVT. LTD, TURBHE , NAVI MUMBAI.
• ALD DYNATECH FURNACES PVT.LTD, AMBERNATH(E).
• VIRAJ PROFILES LTD, THANE.
• ELITE THERMAL ENGINEERS PVT. LTD, PUNE.
• MARK ENGINEERS (I) PVT. LTD.CHEMBUR(W), MUMBAI.
• STERLING & WILLSON PVT. LTD., MUMBAI.
• DIVINE TECHNOLOGIES (DIVINE GROUP OF COMPANY), THANE(W).
• ARYAN ELECTRICAL PVT.LTD,DOMBIVLI(E).
• AICHELIN UNITHERM HEAT TREATMENT (I) PVT.LTD, PUNE.
• HONEYWELL AUTOMATION INDIA LTD. ANDHERI(E),MUMBAI.
• ASB INTERNATIONAL PVT.LTD., AMBERNATH(E)
• EXTREME AUTOMATION PVT. LTD., PUNE, CHENNAI.
• NELCO LIMITED., MAHAPE, NAVI MUMBAI.
• CEAT LIMITED., BHANDUP, MUMBAI