Browse Items (3 total) Tags: Office Building Browse All Browse by Tag Search Items Sort by: Title Creator Date Added Photos Illinois Power Co. Photographs of Illinois Power Substation and Building. Tags: Decatur IL. Noel C. Dick, E. Main St., Illinois Power Co., Office Building, Power Company, Substation Construction Photos of Illinois Power Co. Transmission Substation and the Illinois Power Co. office building. Photograph of the Illinois Power Co. Substation. Photo of the Illinois Power Co. office building on E. Main St., Decatur, IL. Tags: Buildings, Business, Decatur IL., E. Main St., Illinois Power Co., Noel C. Dicks, Office Building, Photo File: Business, Power Company, Substation Photo - Aerial View of Firestone Plant and Buildings Photograph --Aerial View of the Firestone Plant located on 22nd Street, Decatur, IL. Photograph of the Firestone Buildings. Tags: BS1111, BS1112, BS342, Buildings, Business, Decatur IL., Factories, Firestone Rubber Plant, Herald and Review, Manufacturing, Noel C. Dicks, Office Building, Photo File: Business Featured Item Trixy Photograph of Trixy the dog.