>The question is what additional software tools do I need to be able to print a set of 5 large bar codes on a Foxpro report?

All you need is 3 of 9 barcode font. You can download a free one from http://www.squaregear.net/fonts/. Check also How to use Barcode Fonts with FoxPro File #9901.
In addition, you can find 3 of 9 barcode specs at http://www.adams1.com/pub/russadam/39code.html