There are probably several, but I had contact in the beginning of my career with a company that made industrial printers. They said that, in the first years of

There are probably several, but I had contact in the beginning of my career with a company that made industrial printers. They said that, in the first years of the company (80s), adopting FORTH gave them an edge over the competitors and it was the main (tech) factor of their success. They implemented their firmware in FORTH with some PostScript wizardry as well.