- Plot # B-227,Block 13-D-1,Gulshan-e-Iqbal, Karachi
- www.blueoceanengr.com
- 021-34973000
- 152-R,Block-2,Off Sir Syed Road,PECHS, Karachi
- www.khanbrothers.net
- 021-34526002
- A-7,4th Flr.,Al-Hayat Chambers,Block 7/8,KCHSU,Sultan A.S.Rd.,Off Shahrah-e-Faisal, Karachi
- www.akseng.com
- 021-34545380
- 187-J,Block-2,PECHS,Shahrah-e-Quaideen, Karachi
- www.asconsultantspk.com
- 021-34383938
- Suite No.7-E-3,2nd Floor,Farzana Building,Shaheed-e-Millat Rd., Karachi
- www.agcc.com.pk
- 021-34150609
- F-130,1st Floor,Citi Center,Main Shahrah-e-Faisal,Near Awami Markaz, Karachi
- www.alsubuk.com
- 021-34230340
- Suite 1301-1302,13th Floor,Uni Centre,I.I.Chundrigar Road, Karachi
- www.atlpk.com
- 021-32427800