Crossword Puzzle Endangered giant

Clue: Endangered giant

Juice giant owned by Coca-Cola (MINUTEMAID with 10 letters)
Giant of old (OTT with 3 letters)
Giant insurer (AETNA with 5 letters)
Some big Giants (ENDS with 4 letters)
Substance consisting of giant molecules (POLYMER with 7 letters)
A burdened giant (ATLAS with 5 letters)
Mythical South American "giants" (ANACONDAS with 9 letters)
Giant sucker? (BHOLE with 5 letters)
Brit. recording giant (EMI with 3 letters)
Former Giant great Mel joins Charles and George for emperor's favor (OTTOSGOODWILL with 13 letters)