A. Danielle,
Most custom framers like to create a frame for photographs, as presentation is everything to do with making any type of artwork look good.
However, we will often put photographs (5x7 and smaller) into very handsome photoframes, which typically have built in easels on the back to stand up. (Some can also be hung on the wall as well.) There are numbers of manufacturers that sell this product to frame shops, craft stores and department stores. A large number are manufactured overseas, some in Europe, but most in Asia. Carr/Burnes/Taragraphics is a large company.
http://www.connoisseurframes.com/main.taf?p=1
Also look at....
http://www.ckk.com.hk/main/aboutus/about_us.html
Good luck with your project