Des Moines-based The Weitz Co. is opening an office in Minneapolis with a focus on design engineering services that will benefit clients in the agriculture, food and beverage, manufacturing and heavy industrial markets. Weitz will provide mechanical engineering for process solutions; modular construction integrated with its fabrication capabilities; and will diversify into slipform concrete design and construction, according to a release. The Minneapolis office will be led by Gerry Leukam, a 39-year industry veteran, with support from Kevin Grittner, engineering manager, and Alex Westlind, mechanical engineering manager.