- #206,2nd Floor,IT Park 2,Tariq Centre,Plot 1-C,Tariq Road, Karachi
- www.shamsgroup.com
- 021-34310834
- Room #370,Shahrah-e-Liaquat,Al-Rehman Trade Centre, Karachi
- www.shitech.com.pk
- 021-32474052
- B-109,Block-5,Main Gulshan Chowrangi,Gulshan-e-Iqbal, Karachi
- www.sibexsystems.com
- 021-32071490
- Suite #405,Business Arcade,Block-6,P.E.C.H.S.,Shahrah-e-Faisal, Karachi
- www.sigmaflow.com
- 021-34386547
- 21-N,Commercial,Phase-1,D.H.A., Lahore
- www.sigmasgroup.com
- 042-35899021
- B-13,EOBI House,Shahrah-e-Faisal, Karachi
- www.sigmatec-solutions.com
- 021-34544657
- 111-333-500
- 12-K Commercial,Model Town, Lahore
- www.sigmatec.com.pk
- 042-35926494
- House #275-C,Street #13,Scheme-3,Chaklala, Rawalpindi
- www.sigmen.com
- 051-5133751
- 111- -
- #M-1,B-43,Block 13-A,Opp.Expo Center & Expo Centre,Gulshan-e-Iqbal, Karachi
- www.siliconbyte.net
- 021-36056850
- 77-E,Block-2,P.E.C.H.S.,Ghazali Road, Karachi
- www.silicon.net.pk
- 021-34548103
- 111-111-784
