"I need a website that has all the stuff on one website."

http://www.google.com/products

Here you go. Type in the product you want, sort through the answers.

Protip: Volunteer at a bike co-op / pick up a part-time job at a bike shop. Then you can order parts for a small markup over cost and get used parts REAL cheap, as building up a bike from scratch paying retail prices is kind of a sucker's game, unless you're very patient (see e.g. the complete bikesdirect.com bikes with Ultegra components for $799, when the retail price on Ultegra shifters alone is $400).