 Most notable is the Southwire Company.Founded in Carrollton in 1950, Southwire is now one of the world's largest manufacturers of wire and cable and is the largest privately owned wire manufacturer, with more than 1,500 local employees and 5,000 employees worldwide.This diversification of industry has continued into the 21st century, aided in part by Carrollton's ready access to Interstate 20 and the Norfolk Southern Railway.