The Bible is against denominations. Go here:
Here are some good Scriptures listed from this site to get you started:
1 Corinthians 1:10
I appeal to you, brothers, by the name of our Lord Jesus Christ, that all of you agree, and that there be no divisions among you, but that you be united in the same mind and the same judgment.
1 Corinthians 1:12-13
What I mean is that each one of you says, “I follow Paul,” or “I follow Apollos,” or “I follow Cephas,” or “I follow Christ.” Is Christ divided? Was Paul crucified for you? Or were you baptized in the name of Paul?
I appeal to you, brothers, to watch out for those who cause divisions and create obstacles contrary to the doctrine that you have been taught; avoid them.
There is one body and one Spirit—just as you were called to the one hope that belongs to your call— one Lord, one faith, one baptism,