(ad:) Hardware Store Liquidation, Decatur AL, **April 2023** - Shelving, several heights, 16" or 22" base deck!!  paint shakers, widespan racks and MUCH MORE!!! (click here)

New Orleans, Baton Rouge, Shreveport, Lafayette, Lake Charles

Louisiana resources:

Shreveport:
Lawler Auction Company (website)
(auctioneer, worth a quick search)

Custom Retail Store Fixtures (website)
(no gondola, custom millwork)

The chances of finding gondola locally look very slim, especially if you need an unusual size or color.

You should be able to fill your order from Texas at a fair price.  Texas has a lot of dealers.

Atlanta is your next stop for a dealer, then Florida, although Florida typically brings a high shipping price.

Louisianna is a very humid state . This won't make it impossible to find used retail shelving in good condition, but it does slightly drive up the price on cleaner, rust free, stuff.

Over time, the Louisiana region will lose some shelving parts and lots due to rust, and pegboard won't wear quite as well in the humidity.  The coastal areas, like New Orleans, will lose a little more.
Try these nearby states:

Texas

Tennessee

Georgia