The Algerian national oil company is Sonatrach, which plays a key role in all aspects of the oil and natural gas sectors in Algeria.
ðɪ ældʒˈɪɹiən nˈæʃənəl ˈɔɪl kˈʌmpəni ɪz sˈɑːnɐtɹˌæk, wˌɪtʃ plˈeɪz ɐ kˈiː ɹˈoʊl ɪn ˈɔːl ˈæspɛkts ʌvðɪ ˈɔɪl ænd nˈætʃɚɹəl ɡˈæs sˈɛktɚz ɪn ældʒˈɪɹiə.