Trade Gothic was Linotype’s response to workhorse sans serifs like News Gothic and Alternate Gothic. Read more about the wide-ranging family in this Blog post. See Trade Gothic Extended for the extended styles.
Linotype’s digital versions spans 14 styles; 4 regular-wide weights (incl. Bold w/ straight-sided rounds and the rounder Bold #2) and 2 condensed weights with obliques, as well as 2 upright extended weights.
Trade Gothic Next (Linotype, 2008) is a revision by Akira Kobayashi and Tom Grace. Trade Gothic Display (Lynne Yun, 2017) is a chromatic all-caps design in 5 styles, based on Trade Gothic Condensed Heavy.