If you go to this location on my site you'll see a few soups we do. -
http://www.cookinglouisiana.com/Cooking/Recipes/all-recipes.htm#Soups (copy and paste this in your Address bar if the link doesn't work)
The most popular soup-like dish we do is a Gumbo. Look under "Chicken" on the same page. You can also find corn and crawfish soup on that page which is similar to a clam chowder as is the oyster soup.