Overhaul Support Services (OSS) is an AS9100 and AS9110 certificated aerospace MRO facility as well as a FAA and EASA certificated repair station specializing in overhauling critical helicopter components. Overhaul Support Services was established in 2000 and acquired by our parent company TIGHITCO in 2008. Our primary focus is to support our valued customer base with creative thinking while driving viable solutions.