Found this company; 2 EMME CLIMA that produces air conditioning wall brackets and supports, made in Italy.

https://www.2emmeclima.com/en/

[img]https://www.2emmeclima.com/wp-content/uploads/2019/03/type-2-staffa.png[/img]

[img]https://www.2emmeclima.com/wp-content/uploads/2019/03/antivibranti-rainbow-molla-interna.png[/img]