Matter of fact, while I'm still officially employed by that company (part time casual) I haven't worked for them this year at all, having been focusing on the final year of my Uni degree. And the images are at work. So I won't be able to access it for at least a month and a half. I believe the number of classes would now be in excess of 2,500. Certain things have been going on in the past few years which have led to significant growth in both the development team and the number of classes!

The language used is an in-house language, developed in the late 1980s and early 1990s, and one that has aged surprisingly well (with comparatively few modifications to the language since then), though there are now better options available.