The Leath Building 164-166 East Chicago St, Elgin IL 60120 Located in the Golden Corridor, this redeveloped brick office building offers the ambiance of the 1870's combined with the technology of the 21st century. This building is equipped with state of the art electrical wiring, back-up power generator and 24-hour access control security, T-1 lines and DSL are available for efficient high-speed Internet activity and networking. An Internet service provider (ISP) is located in the building. The Leath Building is convenient to Route 20, I-90, O'Hare International Airport, local transportation and railroad service. This building is the most technically advanced building in the area.