How should this sentence be hyphenated?
As the number one credit union owned and operated EFT network and processor in the country, ...
Since this is not my area of expertise, I searched Google under the key words "hyphenation" to get these possible sources:
http://en.wikipedia.org/wiki/Hyphen
http://wsu.edu/~brians/errors/hyphenation.html
http://www.grammartips.homestead.com/hyphens1.html
In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search.
I hope this helps. Thanks for asking.