A $285 million manufacturing campus for Komatsu Mining in the Harbor District. The campus includes a three-story, 176,000-square-foot office building, training center, museum and automation lab as well as a 430,000-square-foot, three-story manufacturing facility. Construction started in late summer 2020. Parcels 311 E. Greenfield Ave. (sold by We Energies affiliate in 2020) 401 E. Greenfield Ave. (sold by city in 2020) Back to the full article.