Orion Site Medlink (Osm) International Resourcing Inc (For: Medlink Res & ) is an overseas employment recruitment agency accredited with the Philippine Overseas Employment Administration. Orion Site Medlink (Osm) International Resourcing Inc (For: Medlink Res & ) has offices at 3/F, Aguirre Bldg, 812 A. Arnaiz Avenue San Lorenzo Village, Makati.