Where can I make plastic cases according to the drawings for REA?

Question

Electronics

It is necessary that I order both the keyboard and the case itself in one place, it is desirable that a small batch be taken to order.
Enclosures are needed in the following format:

Answer 1

The case as in the picture in a small batch will cost as much as an airplane.
The only available option for a custom case is 3D printing, but the case itself will turn out to be a homemade look.
The only reasonable option to get a factory-looking case without spending a million is to pick up something from standard Chinese ones with milling holes for the screen plus a custom-made membrane keyboard.
Like this https://aliexpress.ru/item/33048521549.html

Answer 2

And if we can talk about a circulation of tens of thousands or more - a designer, a design engineer for molds, mold making. And in almost any small-town firm for casting on injection molding machines - they will make an inexpensive print run for you.