Brazil's heavy industry runs on maintenance workers — painters, inspectors, scaffold riggers — people most investors never see. Priner is the company that sends them in, and it has spent four decades quietly building a national near-monopoly on that unglamorous but essential work. Full namePriner Serviços Industriais S.A. Ticker / exchangePRNR3 · B3 Novo Mercado, São Paulo HeadquartersRio de Janeiro, RJ, Brazil SectorIndustrials — Engineering & Construction Employees7,843 Market valueR$995m (~US$193m) Yearly sales (revenue, TTM)R$1.62bn (~US$314m) Net profit (FY2025)−R$11.8m (−~US$2.3m) loss Net margin (TTM)2.7% Return on equity11.6% Price-to-earnings (P/E)25.4× Dividend …
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