Privatized industries provide great social benefit by giving individuals wages and opportunity for advancement. State enterprises may provide more structured social programs and handouts than private industries, but often social programs simply provide a guarantee to remain in poverty. There is not promise or opportunity for improvement on for your situation.
No, privatized businesses are not more likely to provide social benefits to its employees. If every privatized enterprise was able to provide adequate social benefits there would be no poverty. Privatized institutions can not be trusted to act for the people without some form of government intervention to make sure that these benefits are being adequately distributed to each employee.