42 COMPUTER PROGRAMING, POSITIONING AND LOCALIZING OF THE SHIPS OF OTHERS, ENGINEERING SERVICES IN THE FIELDS OF GEOPHYSICS, HYDROCARBON EXPLORATION AND RECOVERY, MARINE NAVIGATION, RADIO-POSITIONING, AND TELECOMMUNICATION, PROFESSIONAL CONSULTATION SERVICES IN THE FIELDS OF GEOPHYSICS, HYDROCARBON EXPLORATION AND RECOVERY, MARINE NAVIGATION, RADIO-POSITIONING, AND TELECOMMUNICATION, AND PROVIDING SEARCH SERVICES FOR MISSING PEOPLE