You know that once the letterhead is researched and chosen, all of the stationery that the company uses must be changed to feature it. I suggest to check info and free letterhead templates
here That includes changing all the stationery that the company uses for correspondence, including the envelopes, any purchase orders and invoices, compliment slips, memo pads and note pads and also updating all of the business cards that are printed for company executives and sales people.