Grouped by what a company actually does, rather than by product. Almost nobody replaces one of these with one other thing — they replace writing a document, sending mail, and holding a meeting, and those are three different answers.
Every one is graded from what the supplier itself publishes, with the date it was read. Being European is not a finding here: several of these name an American company in their own published list.
Asking questions, drafting, summarising, thinking out loud — the window somebody opens twenty times a day.