This app was mentioned in 4 comments, with an average of 301.00 upvotes
Sit down, 'cause I'm about to rock your office's world.
https://itunes.apple.com/us/app/chipotle/id327228455?mt=8
https://play.google.com/store/apps/details?id=com.chipotle.ordering&hl=en
Yep, right nere. They have an app, too, for iOS and Android. I think you can still order by fax, too.