SZ isn’t a professional fridge. It’s a high end homeowner fridge. Professional fridges are loud, with no interior fittings, and very energy inefficient.

Additional luxury fridge brands are Thermador, Meile, and Liebher. None have the depth of market thst SZ has. Most of the KDs you are using for this project will a much greater familiarity with SZ, making that aspect run a bit smoother.

This does assume that your total appliance budget is in the 30-40K range. That includes ventilation for a suitably large scale range, which is often a surprise to those planning such a project. That means make up air, as that is code required.