Carolina Traffic Devices provides the most advanced and reliable traffic control devices and equipment to maximize safety and mitigate down time.

Piedmont Machine & Manufacturing, Inc., was founded by Mr. Charlie Lim in March of 1996, in Charlotte, NC. In February 2005, the company moved to a 14,000 sq. ft. manufacturing facility designed and built by Mr. Lim. They specialize in high precision CNC machining with production runs from 50 to 500,000 pcs. Production runs, are utilized only on CNC equipment, to ensure the consistent quality our customers require and need to their customers. This includes sawing, turning, milling, and Swiss-type screw machining. Also provided, is secondary operations such as heat treating, plating, grinding, semi-assembly or anything required by our customers. PMMI only employs customer oriented staff members; From the delivery of our supplies to the final delivered products.