- House #921,St.#80,I-8/3, Islamabad
- www.ihro.org.pk
- 051-4430150
- New Campus Block-1,H-10, Islamabad
- www.iiu.edu.pk
- 051-9258044
- Plot #140,Street#9,I-10/3,Industrial Area, Islamabad
- www.imtco.org
- 051-4442673
- 2nd Floor,Waheed Plaza,52 West Blue Area, Islamabad
- www.iop.com.pk
- 051-2279465
- 111-223-223
- Plot #49,Street #10,Industrial Area,I-9/2, Islamabad
- www.ipitractorparts.com
- 051-4430835
- 7,Street-27,F-6/2, Islamabad
- www.ird.org
- 051-8357818
- Off #1B,Block-14,Markaz F-6, Islamabad
- www.irs.com.pk
- 051-2276562
- Office No.7,2nd Floor,Al-Abbas Plaza,G-8 Markaz, Islamabad
- www.irs.com.pk
- 051-2340002
- Plot No.51/52,Street No.1,Sector I-10/3,Industrial Area, Islamabad
- www.its-energyservices.com
- 051-4100311
