The link below came off the Sweety Blue site - they make table covers with or without pockets and can embroider any symbol on it you would like.
Mighty Mite Dog Gear - Dog Grooming Table Covers
The links below are show dog supply stores. I know the first one does ship international, I don't know about the others.
Show Dog Grooming Supplies, Andis Dog Clippers, Grooming Table, Chris Christensen The 3c's Dog Show and Grooming Supplies Dog supplies: grooming, collars, carriers, nutrition - B.I.S. Best In Show Show Dog, Grooming and Pet Supplies - Cherrybrook
We have several members (Chachi, is one I know of) here from the state of Indiana and hopefully they will see your post and answer your specific question about what you will find in Indianapolis shops.
Good luck! Is this your first US visit?