Related Clues:

• Crude letters
• Org. based in Vienna
• Energy acronym
• Mil. org. on campus
• Campus gp.
• Arab oil org.
• Oil-cartel acronym
• 51 Across grp.
• Coll. course with demerits
• Campus recruiting grp.
• Petroleum org.
• 'Well' financed grp.
• Cadet's org.
• Campus marching grp.
• Military training pgm.