LEETSDALE, PA—Pittsburgh-based steel fabricator BCI Steel CO. and solar-tracker manufacturer Nextracker will hold a dedication ceremony next week to reopen the historic Bethlehem steel factory, which is being repurposed to make tracker equipment for large solar power plants.

PITTSBURGH--A long-empty steel mill here will be revived as a robotics and manufacturing hub in spring 2019. The 178-acre Hazelwood Green site will house research, development and offices for Carnegie Mellon University's Manufacturing Futures Initiative and the nonprofit Advanced Robotics for Manufacturing Institute.