WEST CHICAGO, ILL. — Brown Commercial Group has brokered the sale of a 31,440-square-foot industrial building in West Chicago for an undisclosed price. The property, constructed in 2008, is located at 310-330 Charles Court. The buyer, Tag Fitness, plans to occupy a portion of the building while generating rental income from the remainder of the property. The company warehouses and distributes fitness equipment to health clubs and home gyms. Mike Antonelli represented both the buyer and the seller, a private investor.