Perkhidmatan Antarabangsa SOS (abbreviated PKA.SOS) is a Malaysian company that delivers medical and travel security services to corporations in the energy, mining, infrastructure and government sectors. PKA.SOS is a joint venture between local Malaysian shareholders and International SOS Malaysia Sdn Bhd (abbreviated Intl.SOS). As an associate of Intl.SOS, PKA.SOS has access to International SOS’ full scope of medical resources and capabilities worldwide.