A plain-English guide to the alphabet soup of North American elevator & escalator industry organizations — what each group actually does, and where they touch a working mechanic.
A note on the "NEIA" mix-up: there is no North American organization actually called NEIA. The names people usually mean are NEII (manufacturers' trade association), NEI/NEIBP (the benefit plans), or NEIEP (the training program). The PDF lays it out.
Two pages. Designed to be printable and pinned to a shop wall.
If anything's missing, out of date, or wrong — call it out in the replies and we'll update the next revision.