Around 0130 hours Box 302 sent companies to the area of 27th and Herr Streets in the Borough of Penbrook for a structure fire. Engine 30 (Penbrook) on location with a working fire in a commercial building and laid a line in from 27th and Walnut Streets. Command 30 requested the first alarm assignment be dispatched. Engine 32-1 (Progress) laid an additional line in from 28th and Herr Streets and took position on side D. Harrisburg Tower 1 and Paxtonia Truck 34 also set up on side D with Tower 1 crew assigned to open up the roof. Forced entry was made while lines were stretched and advanced on a fire involving a one and two story computer products business. The fire was quickly knocked down with an aggressive interior attack. Crews remained on the scene performing extensive overhaul chasing fire in the walls and roof area. Numerous companies from the Metro Harrisburg area responded to the scene.