The vendors this desk watches, and the method: footprint is what the banks the desk advises actually run, coverage is one or two leaders per control domain, signal is a name carried for its exploitation or news weight alone. 27 vendors on the roster (15 footprint, 16 coverage, 3 signal). A quarterly re-rank proposes adds and drops from the numbers; the editor approves, rejects or lets the proposal stand, and every change is on the record below. Numbers as of Oct 29.