Walking the spacious showroom floor at Artistic Iron Works, founder and co-owner Tom Prato points out design intricacies in the railing for a spiral staircase and ornamentation on grand entry doors.

For more than 100 years, the Mangin name was well-known in the French Quarter and across the city. Mangin’s Iron Works, located at 621 Bourbon St., crafted many of the wrought iron balconies, fences ...