Office Products : Every Company Needs :- Do you have the right office supplies and stationery to help develop an efficient and successful workplace? If not, then it may be time to change your supplier and make a list of everything you might need. To help get you started, here are 10 items every office should have: Pens, Diaries and planners, Post it notes, Staplers, Envelopes, Paper, Sticky tape, Paper shredder, Files and folders, Notepads.