- Suit#255 B&C Block-6,P.E.C.H.S,Shahrah-e-Faisal, Karachi
- www.oisol.com
- 021-34388402
- Zeeshan Centre,2nd Floor,Block-7/8,Sultan Ahmed Shah,Road K.C.H.S, Karachi
- www.openport.com
- 021-34326771
- Shop #9,Machiehran Complex,North Nazimabad,Block A, Karachi
- www.keashe.com.pk
- 43-C,Jami Commercial Street-11,Phase-VII,D.H.A.,Opp.Askari Bank, Karachi
- www.opera-dubai.com
- 021-35397740
- 58-B/1,Khayaban-e-Sehar,Phase-VII,D.H.A., Karachi
- www.ophthpharma.com
- 021-35241925
- Plot #241,Sector-24,Korangi Industrial Area, Karachi
- www.ophthpharma.com
- 021-35051683
- #610,6th Floor,Clifton Center,Block-5,Clifton, Karachi
- www.opinionmeter.com.pk
- 021-35293365
