- Office #49,Ground Floor,Kiran Arcade,15-A/2,Near Bank Al Habib, Karachi
- www.crystalscientific.blogspot.com
- 021-36946627
- 146-M,Gulberg-III, Lahore
- www.ccipvt.com
- 042-35841316
- 201-M,Yousuf Chamber,Plot A/30,K.C.H.F.U.Block 7/8,Shahrah-e-Faisal, Karachi
- www.cynochem.com
- 021-34372001
- #16/A,Al-Syed Arcade,Block-5,Gulshan-e-Iqbal, Karachi
- www.dj-scientific.com
- 021-34801174
- Shop # 24,Ground Floor,S.P.Chamber,B9/B1,Estate Avenue, Karachi
- www.dta.com.pk
- 021-32551386
- #4,2nd Floor,Plot 30-C,Ittehad Lane 12,Phase-VII,DHA, Karachi
- www.mhdadabhoy.com
- 021-35312002
