"As part of Gentherm's restructuring plan to improve the company's manufacturing productivity and footprint, we made the decision to relocate certain existing manufacturing and related activities in the Greenville, South Carolina facility to a new facility in Monterrey, Mexico," Fischer said. TII has not responded to inquiries from the Greenville News about the closing. The WARN Act makes sure employers notify affected workers or a labor union 60 days before closing or a mass layoff. The business also must alert the South Carolina Rapid Reemployment team and the local government. This article originally appeared on Greenville News: TTI and Gentherm will close down businesses in the Upstate