Plastic foam manufacturer Palziv is adding 40 jobs to its existing operation in Louisburg. It's one of four expansions the company has announced since targeting North Carolina eight years ago for its North American headquarters. Palziv North America, a wholly-owned subsidiary of Israeli-based Palziv Ltd, plans to invest nearly $5.2 million in Franklin County, according to an announcement Tuesday. According to an application Palziv filed with the state in March, the company had been offered incentives...