There are several suppliers and manufacturers of polyurethane (PU), polyester (PEW) and polyesterimide (EIW) enameled wire.

Below are some of the well known suppliers offering a range of enameled wire products:
Essex Group, Inc.: Essex is a global supplier of enameled wires and insulation materials. They offer a wide range of enameled wire products, including PEW and EIW wires, for a variety of applications in industries such as automotive, energy and electronics.

Elektrisola: Elektrisola is a leading manufacturer of fine and ultra-fine enameled wires. They offer a full line of magnet wire products, including PEW and EIW wire, in a variety of sizes and specifications for applications such as motors, transformers and electronics.

Superior Essex: Superior Essex is a renowned supplier of enameled wire solutions. They offer a diverse portfolio of magnet wires, including PEW and EIW wires, designed for applications in industries such as automotive, industrial and renewable energy.

Sumitomo Electric Industries, Ltd: Sumitomo Electric is a global supplier of a wide range of wire and cable products, including enameled wire. They offer a range of enameled wire options, including PEW and EIW wire, for motors, transformers, and other electrical equipment applications.

Rea Magnet Wire Company, Inc.: Rea Magnet Wire is a leading manufacturer and supplier of enameled wire products. They offer a wide range of enameled wire solutions, including PEW and EIW wire, designed for applications in the automotive, aerospace, and power generation industries.LP Industries, Inc: LP Industries is a leading electromagnetic aluminum wire

manufacturer and supplier. We offer 180C, 200C, 220C, 240C large gauge enameled round and flat specialty aluminum wire. What is Nehring Wire?Founded in 1912 and headquartered in DeKalb, Illinois, Nehring manufactures bare and insulated copper wire, aluminum wire, ACSR, AAC, ACSS, AAAC, aluminum clad steel, copper clad steel, building wire, underground power cables, ground rods, and dielectrics for voltage cables for the utility, telecom, distribution, and OEM markets. Where are Prysmian cables manufactured? The Prysmian Group, headquartered in Milan, Italy, is the world's largest manufacturer of high-tech cables and systems for energy and telecommunications. Prysmian offers a wide range of products in two market segments: energy and telecom cable solutions.