- H-No.A-86,Block-C,Ground Floor,Gulshan-e-Jamal, Karachi
- www.oasismedicalsystems.com
- 021-34688186
- Suite# 709,Anum Empire,K.C.H.S, Karachi
- www.oceanbridgepk.com
- 021-34397331
- Anum Estate,Suite # 102,1st Floor,Darul Aman Society,Shahrah-e-Faisal, Karachi
- www.oceantiger.com
- 021-34321924
- 8th Floor,Balad Trade Centre,Block-3,B.M.C.H.S,Alamgir Road, Karachi
- www.okestateandbuilders.com
- 034938223
- 111-111-145
- Plot # 43,Oil Industrial Area,Keamari, Karachi
- www.olympicservicespvtltd.com
- 021-32860811
- 42-C,Dr.Mahmood Hussain Road,Block-6,P.E.C.H.S., Karachi
- www.omartechnologies.com
- 03218796788
- 12,Lane Number-5,Seher Commercial Area,Phase-7,D.H.A., Karachi
- www.omni-academy.com
- 021-35344600
- 18,Gulshan-e-Shamim Comm-1,Yaseenabad F.B Area, Karachi
- www.onehealth.pk
- 021-36340009
- Office#M-84,1st Floor,Muneer Mobile Mall,Near Johar Chowrangi, Karachi
- www.fumigationservices.pk
- Town House No.2,Plot No.89-B,Block-B,S.M.C.H.Society, Karachi
- www.orioninternational.pk
- 021-34558931
