Revelation 8:2

Then I saw the seven angels who attend in the presence of God; and to them were given seven trumpets.

Revelation 11:15

The seventh angel sounded, and there were great voices in heaven, crying, "the kingdom of this world is become the kingdom of our Lord, and of his Christ, and he shall reign for ever and ever."

Luke 1:19

the angel replied, I am Gabriel, who attend in the presence of God, and am sent to communicate to you this agreeable message.

Matthew 18:10

take care not to despise one of such an humble disposition: for I tell you, that in heaven their angels are continually attending the presence of my father who is in heaven:

Revelation 8:6-1

Then the seven angels who had the seven trumpets, prepared themselves to sound.

Revelation 9:13-14

then the sixth angel sounded, and I heard a voice from the four horns of the golden altar, which is before God,

Revelation 15:1

I saw another prodigy in heaven, great and marvellous, SEVEN ANGELS, having the seven last plagues, for by them the divine vengeance is consummated.

Revelation 16:1

THEN I heard a terrible voice from the temple, crying to the seven angels, "go pour out the VIALS of divine vengeance upon the earth."

Treasury of Scripture Knowledge

Summary

And I saw the seven angels which stood before God; and to them were given seven trumpets.

General references

Bible References

Seven angels

Revelation 15:1
I saw another prodigy in heaven, great and marvellous, SEVEN ANGELS, having the seven last plagues, for by them the divine vengeance is consummated.
Revelation 16:1
THEN I heard a terrible voice from the temple, crying to the seven angels, "go pour out the VIALS of divine vengeance upon the earth."
Matthew 18:10
take care not to despise one of such an humble disposition: for I tell you, that in heaven their angels are continually attending the presence of my father who is in heaven:
Luke 1:19
the angel replied, I am Gabriel, who attend in the presence of God, and am sent to communicate to you this agreeable message.

Trumpets

Revelation 8:6
Then the seven angels who had the seven trumpets, prepared themselves to sound.
Revelation 9:1
And the fifth angel sounded, and I saw a star fall from heaven unto the earth: and to him was given the key of the bottomless pit.
Revelation 11:15
The seventh angel sounded, and there were great voices in heaven, crying, "the kingdom of this world is become the kingdom of our Lord, and of his Christ, and he shall reign for ever and ever."

General references

Revelation 8:6
Then the seven angels who had the seven trumpets, prepared themselves to sound.