Thanks to an outside investment, E-Pak Manufacturing in Wooster is looking to add upwards of 40 new jobs at their Pittsburgh Ave. location. The investment came from Advantage Capital, which has offices throughout the country, and will allow the plant to add a third shift to its operations. E=Pak is a manufacturer of steel roll off container, trailers and hoppers which has been in Wooster for 30 years and they currently employ more than 140 people.