Home - Interwire 2017, Introduced in 1981, Interwire is the largest and longest-running wire and cable marketplace in the Americas. Hosted biennially, Interwire is an international trade event that includes exhibiting companies, speakers, and visitors from more than 50 countries. When industry professionals look for new wire and cable technology, supplies, and equipment they choose Interwire, the benchmark for wire business in the Americas.