- 2nd Floor,Aiwan-e-Sanat,ST-4/2,Sector-23,Korangi Ind'l Area, Karachi
- www.gel.com.pk
- 021-35113805
- Refinery Post Office,Morgah, Rawalpindi
- www.ncpc.com.pk
- 051-5450424
- # 503,5th Floor,Tahir Plaza,Block 7/8,KCHS,Near Duty Free,Shahrah-e-Faisal, Karachi
- www.nesc.pk
- 035115006
- Principle House,Mezz. Floor,Plot #39C,22nd Comm'l Street,Phase II Ext.,D.H.A., Karachi
- www.cpp.org.pk
- 021-35893342
- 2nd Floor,100 Commercial Plaza,Cavalry Ground,Cantt., Lahore
- www.gel.com.pk
- 042-36666417
- Office #304,Kiran Plaza,Block 13-B,F-8 Markaz, Islamabad
- www.gel.com.pk
- 051-2817084
- 164-C,Industrial Estate,Jamrud Road, Peshawar
- www.sda.com.pk
- 091-9217229
