Hajj Moosa AbdulRahman Hassan ( Larabci : موسى بن عبد الرحمن بن حسن) ɗan kasuwar Omani ne, shugaban ƙabila, maigida da kuma alamar Golf; an haifeshi ne a tsohon garin Muscat a shekarar 1902 kuma ya gama karatunshi a American Mission School. Ya kafa kamfani a cikin 1927 don samar da gawayi da kayan abinci ga jiragen ruwan Biritaniya & frigates a Muscat. Haji Moosa na ɗaya daga cikin masu amfani da farko kuma waɗanda suka kafa akwatin gidan waya a cikin masarautar Oman . Omanis da ke kasashen waje (musamman Afirka ta Gabas, wasu kasashen Tekun Fasha da Indiya) sun kasance suna aika masa da wasiku zuwa akwatin wasikar shi kuma yana isar da su ga mutane daga baya, saboda haka ya zama kamar adireshin jama'a ga kowa ya yi amfani da shi. Kamfanin har yanzu yana riƙe da akwatin gidan Box 4 Muscat ɗaya. Hajj Moosa ya kuma kafa hidimar aikewa da kudi tsakanin 1940s da 1960s ta hanyar kirkirar sa da kuma sanannen PO Box 4 Muscat, wanda ke aiki a matsayin cibiyar hada-hadar kudi ta farko da kuma samar da igiyar waya ga yawancin Omanis da ke zaune kuma suke aiki a Gabashin Afirka, Kasashen Gulf. da Indiya .