JetBrains:
Profession - программист, works with 2004 and to this day
Систематика:
Profession - программист, worked with 2001 and by 2004
Conceptware AG:
Profession - программист, worked with 2000 and by 2001
НИИ ЦПС:
Profession - программист, worked with 1996 and by 2000