- 2nd Floor,Plot No.4-N,(1),Block-6,P.E.C.H.S., Karachi
- www.aventisintl.com
- 021-34396961
- C-2/1,Ground Floor,Gulistan-e-Erum,Block-3,Gulshan-e-Iqbal, Karachi
- www.geo-studies.com
- 021-34818449
- Suite # 21,Tahir Bazar,Opp.Parsi Atish Kuda,Saddar,Dr. Dawood Pota Road, Karachi
- www.icem.com.pk
- 03352440786
- Suite No.602,6th Floor,Mashrique Centre,Sir Shah Suleman Rd., Karachi
- www.icem.com.pk
- 03352440786
- B-32,Blk-10-A,Gulshan-e-Iqbal, Karachi
- www.asianqa.com
- 021-34838119
- Head Office 101,SC/8/1,Survey Centre,Block-N,North Nazimabad, Karachi
- www.asl.com.pk
- 021-36645504
- 910,Unit Plaza,I.I.Chundrigar Road, Karachi
- www.atlanticsurveyors.com.pk
- 021-32433713
- Old Ralli Bros Building,Talpur Road, Karachi
- www.bhombal.com
- 021-32436394
