Algerian Taxes Department: www.impot-dz.org

Algerian Chamber of Commerce and Industry: www.caci.com.dz

National Office of Statistics: www.ons.dz

National agency of investment development: www.andi.dz

SONATRACH (Petrol Company): www.sonatrach.dz.com

ANABIB (irrigation Equipment Company):    www.anabib.com

PMA Trading (tractors and agricultural equipment): www.pma-dz.com

FERTIAL (Fertilizer Company): www.asmidal-dz.com