Nharaunda yeGrand Casablanca inoonekwa sechinhu chinokanganisa kukura kwehupfumi hweMoroccan. Inokwezva 32% yezvikamu zvekugadzirwa kwenyika uye 56% yevashandi vemaindasitiri. Nharaunda inoshandisa 30% yemagetsi emagetsi emunyika. Iine MAD 93 bhiriyoni, dunhu rinopa 44% yekugadzirwa kwemaindasitiri ehumambo. Inenge 33% yemari yenyika yekutengesa kunze kwenyika, MAD 27 bhiriyoni, inobva kuGrand Casablanca; 30% yebhangi reMoroccan banking network yakaiswa muCasablanca. Imwe yezvinhu zvakakosha zvinotengeswa neCasablanca ndeye phosphate. Mamwe maindasitiri anosanganisira hove, canning, sawmills, kugadzirwa kwemidziyo, zvigadzirwa zvekuvaka, girazi, machira, zvemagetsi, Maar, basa reganda, kugadzirwa kwechikafu, mweya, zvinwiwa, uye fodya.
56 muzana