In support of the trinity:
Mathew 1:23They shall call his name Immanuel which is translated "God with us"
Isaiah 9:6: For unto us a child was born, unto us a son is given and his name shall be called Wonderful, Counselor,Mighty God, Everlasting father, Prince of Peace
John 8:58 Most assuredly I say to you before Abraham was born born I am.
Zachariah 12:10(Jehovah speaking) they will look on me whom they pierced, yes they will mourn for him as one mourns for an only son.
Isaiah 44:6 Thus says the LORD (Jehovah) the king of Israel and his Redeemer the Lord of hosts:"O am the first I am the Last Besides me there is no God"
Revelation 1:8 I am the alpha and the omega the beginning and the end says the Lord, who is and who was and who is to come the Almighty
Revelation 22:13 (Jesus speaking) I the alpha and the omega the beginning and the end the first and the last.
Acts 4:10 (peter speaking) let it be known to you all and to the people of Israel, that by the name 0of Jesus Christ of nazareth, whom you crucified whom God raised from the dead by him this man stands before you whole.This is the stone which was rejected by you builders which has become the chief cornerstone.Nor is there salvation in any other under heaven given among men by which we must be saved.
there is more but i don't have them handy right now. i hope this helps your search.