Quill.com, a leading business to business office products provider, is expanding the Dunder Mifflin brand beyond paper, turning the fictional company from NBC's beloved sitcom "The Office" into a major office-products brand that will make Dunder Mifflin popular in offices for years to come. New Dunder Mifflin products, available via Quill.com, include Sharpies, Self-Stick Notes (yellow and assorted colors), premium facial tissue boxes, coffee cups, storage boxes and legal pads.