Filed from 3 published puzzles

TANNERY

Set to 3 different clues across 3 published puzzles, most often “Leather factory” — The New York Times, Sunday, 30 January 2005.

7 letters

Every clue on record, most used first

Leather factoryonce
The New York Times — Sunday, 30 January 2005
Coat factory supplieronce
The New York Times — Friday, 12 May 2000
Where pigs become pigskinsonce
The New York Times — Sunday, 23 July 1995