Short Description. All potential applicants are encouraged to scroll through and read the complete job description before applying. OSW Equipment & Repair, LLC, a subsidiary of Federal Signal Corporation, is the largest truck body and trailer manufacturer in the Pacific Northwest. OSW’s main facility is located in the Maltby area in Snohomish County. OSW and has been in business for over 20 years and has branches in Edmonton, Canada and Tempe, Ar...