Possible Clues:

• Rink grp.
• Org. for the Jets and the Sharks
• Org. with Red Wings and Blue Jackets
• Blues group, for short
• Kings' org
• Icemen's org.
• Org. for Penguins and Ducks
• Penguins' org.
• Stars' org.
• Org. for Sharks and Penguins