If you've landed on this article then you most likely have it in mind to produce your own certificate at the home or office and I'm sure you've got your reasons. Certificates and awards for recognition or achievement can easily be produced at the small business office or the home so long as you've got a PC, access to the internet, and a printer. The resources beolow will have all that you need in one place so take a gander at each and decide which one sounds the best for what you've got in mind.
Incidentally, if you're not already familiar with Bright Hub's goal of providing small business owners with quick (and in many cases free) solutions to making many of the documents that they will need to run their company from marketing materials like brochures to those utilitarian necessities like fax cover sheets, consider yourself informed. For instance, check out this helpful and comprehensive list of available templates in Business Forms: Free Templates to Manage Your Small Business.