I used to repair/operate/program laser welders and cutters too. We mostly worked with titanium and either fiber or nd-yag lasers. Our cutter was 350w but 200psi of argon. My preferred cnc controllers were fanuc but they were so expensive(main controller not including servos or motors or anything else was 35k). Our cheaper machines were like 40k total but didn’t have nearly the accuracy or control.

Interesting fact with fanuc is there controllers are full backwards compatible. And I mean fully. You can buy the most recent top end model and pull out some program on bubble tape and it will work. You got a program on punch cards? No problem. Also their service is top notch. You call them, a technician will show up in a day or two max with a box of every replacement board possible. They will replace the burned board then and there (no ordering and shipping) and bill you after it’s fixed. Yes, it’s expensive(most boards are several hundred dollars but the fee for the technician which is a few thousand) but if you make a tens of thousands in revenue per day it’s worth the cost.