For over ninety years commercial and residential builders have trusted the rugged strength and dependability that Cerrowire® represents. The product that bears the Cerrowire® name is known industry-wide as a quality product whose continued innovation keeps you ahead of the curve. Cerrowire® is your trusted source when your wiring matters most, satisfaction guaranteed! Headquartered in Hartselle, AL, and a proud member of The Marmon Group/Berkshire Hathaway family.