Plans include a program to give leadership roles to Omani nationals, with the Oman Investment Authority (OIA) and the heads of government-run companies MUSCAT: Oman"s labor minister discussed plans for replacing foreign workers with Omani workers in government-run companies on Wednesday, state news agency ONA said. The minister discussed the plans, which include a program to give leadership roles to Omani nationals, with the Oman Investment Authority (OIA) and the heads of government-run companies.