Companies that build and sell technology to monitor, intercept, identify or track people, mostly to governments and police. This is its own schema, version 1.
Counts of what public research has found and sourced, each part with its source on the organization’s profile. They say what is known, not how much of the industry exists.
Deepen this industry
Focused research on the organizations with the fewest mapped parts in surveillance technology vendors; what it finds is public for everyone.