The Ranger TO&E (Table of Organization and Equipment) is very different than an ordinary infantry unit. A Ranger battalion is considerably smaller than an infantry regiment at around 600 men. Composed of 6 Ranger Companies and 1 HQ Company, the Ranger organization was developed to be lean and versatile. Check out the video below. Battle Order has done an excellent job tearing down the mechanics of how Rangers were setup.
For Info on the Battalion level Organization, Check out
To download a scanned version of the TO&E, Click Below!