123Net

123NET is a privately held Michigan internet service provider that offers fiber internet, colocation, IP transport and business voice services, plus fiber-to-the-home in the state. It serves enterprises, schools, hospitals, municipalities and residential customers, and it manages the Detroit Internet Exchange and the Grand Rapids Internet Exchange. Founded in 1995, it was acquired by Grain Management in July 2024, with its original leadership retaining a significant ownership share, and it operates over 3,100 route miles of fiber.