MANNARINO Systems & Software, Inc. is a Canadian company, based in Montreal and provides safety-critical systems, software an ... d electronic hardware engineering services and products to the aerospace, defense, space, simulation, rail and power generation industries. MANNARINO Systems & Software, Inc. is also an authorized Design Approval Organization (DAO) for Airborne Software (RTCA DO-178C) and Airborne Electronic Hardware (AEH) (RTCA DO-254) as established by the National Aircraft Certification Branch of Transport Canada (TCCA). read more