​Robroy Industries Conduit Division (Gilmer, Texas):  This manufacturer of ETL-verified PVC-coated galvanized rigid conduit (Plasti-Bond, Perma-Cote, and KorKap), announced that Michelle Swartz has joined the company as a quotations specialist (technical sales). She has five years of sales experience and eight years of customer relations experience. Swartz  attended Texas Tech University.