Cerrowire has a long and storied history that dates back to the 1920s. It was originally established as Circle Flexible Conduit Co., Inc. and focused on manufacturing and selling armored cable and flexible steel conduit. Over time, the company expanded its product offerings to include various types of copper wire and cable.

In 1955, Cerro de Pasco Corp. acquired Circle Wire & Cable, leading to the formation of Cerro Wire & Cable Company. This acquisition marked a significant milestone in Cerrowire's growth and success. In 1976, Cerro Wire & Cable became a member of The Marmon Group, a global industrial organization.

Throughout its history, Cerrowire has continued to expand its operations and strengthen its position in the industry. The company established manufacturing facilities in Utah, Indiana, Georgia, and Alabama to meet the growing demand for its products.

In 2008, Berkshire Hathaway Inc., led by renowned investor Warren Buffett, acquired a majority interest in the Marmon Group. This acquisition further solidified Cerrowire's future as part of one of the most respected conglomerates in the world.

Today, Cerrowire is known as Cerro Wire LLC and is recognized as a leading manufacturer and supplier of copper wire products for residential, commercial, and industrial applications. With over a century of experience in powering innovation, Cerrowire continues to deliver high-quality products and innovative solutions that meet the evolving needs of its customers.