The vast majority of Jews who lived in Mielec were merchants of some kind. There are many facts, figures, and anecdotes of what kind, and scale, of businesses they had. Here are some resources:
- Soap, Petroleum Jelly, Brickyards, and other factories – an article published September 26, 2017 by Andrzej Krempa on promocja.mielec.pl (in Polish – use Google Translate to convert to English)