Luke 2:13-14
And suddenly there was with the angel a multitude of the Heavenly army praising God and saying,
Ephesians 3:10
in order that now his manifold wisdom should, through the church, be made known to the principalities and powers in the heavenly sphere,
Revelation 5:11-14
Then I looked and heard a voice of many angels encircling the throne and a voice of the Living Creatures and of the Elders; and the number of them was ten thousand times ten thousand, and thousands of thousands,
Revelation 7:9
After this I looked, and behold a great multitude, whom no man could number, out of every nation and tribe and people and tongue, standing before the throne and before the Lamb, clothed in white robes, with palm branches in their hands;