There are a number of reasons one might need a heavy duty hole punch: preparing reports, creating presentations, or punching holes in signs or tags. Below are a list of sites with information on choosing a hole punch model and the best manufacturers
An overview of heavy duty hole punch models, types and uses
Primarily a manufacturer of craft products, they produce a range of hole punches that are popular for both home and office.
An overview of the different uses for large hole punches, covering mostly the options for home and office.
A discussion on the pros and cons of tools manufactured by Neiko. Neiko does make more industrial/workshop type tools; however, they also have a line of hole punches that bridge the gap between hobby and casual use to more professional use.
Heavy Duty Electric Hole Punch
An overview of the types of electric hole punches available that are equipped for heavier usage, perfect for an office setting.
A news and update site on the latest releases for hole punches, including some fun media facts.