You have a pistol that is not in general production. It is highly unlikely that any holster maker will be offering off-the-shelf products to fit it. Your best bet will be a custom maker within your state of residence, as close to your home as possible, so you can make the pistol available for patterning and forming the holster, otherwise you will be dealing with multiple shipping & insurance charges, multiple FFL transfer fees, and all the aggravation and risk involved in interstate transfers of firearms back and forth.
By the way, custom work and special orders usually require 5 to 10 times the shop time and materials (initial patterning, preliminary pattern, prototype, revision to final production status) that any standard production holster requires, so be ready to open up your checkbook to get what you want.
Best regards.