Welch Packaging, a family-owned manufacturer of custom corrugated packages, has opened a new startup in Wooster.  OHCorr, which is a division of Welch, will expand the company’s sheet feeder system and improve its overall supply chain capabilities, in an effort to better serve local customers.  The new facility is located at Innovation Park in a 200,000-square-foot area of the Wooster Brush Company’s North Building.  The new location is expected to create 50 jobs and generate more than $3.2 million in annual payroll.