Possible Clues:

• Film-studio initials
• 'Singin' in the Rain' film studio
• Co. whose logo includes Leo the Lion
• Palindrome in a Las Vegas hotel name
• Leo's co
• Movie studio whose mascot is Leo the Lion
• Studio behind Hulu's 'The Handmaid's Tale'
• 'Lionized' studio
• "Summer Stock" studio
• ___ Grand Las Vegas