If you are looking for a custom hat provided, then one option for you is Custom Hats provided, VisaPrint. VistaPrint provides baseball caps with the logo or image of your choice that will be placed on either the front or back of your hat. Here is a description of the company, as seen on the website (http://www.vistaprint.com/vp/hats_product_page.aspx):

VistaPrint is making high-quality graphic design and custom printing convenient and affordable for everyone.

With more than 12 million customers worldwide, VistaPrint is a leading online supplier of high-quality graphic design services and customized printed products to small businesses and consumers. We offer high-quality solution for graphic design and full-color printing in small quantities, without the premium price.

Along with hats, there is a multitude of products available to choose from such as business cards and other marketing materials. The site is well designed and easy to use and exhibits confidence in the visitor. If you are looking for a service provider, then this may be for you.