This probably isn’t the right way to go about it. (Not to mention that the fact that agents usually don't rep short stories.) When a columnist wrote about BEA in Salon, she said, “In unguarded moments, publishers complained that they received more pitches than they had a chance to deliver. 'It's relentless,' one sales rep sighed at a party for Connelly in L.A.'s Union Station. 'Every time you turn around, someone's shoving a manuscript into your hands. I keep telling them I'm not an editor, but they don't seem to understand the difference.' Aspiring writers planted themselves in autograph lines in a bid to pass unpublished manuscripts to established authors or to beg celebrities to plug their book on TV.”
The first thing I would do if I were an unpublished writer with a finished story or book would be to go to the library and start checking out books about the publishing business.
Heck, I still read those books.