This dataset describes ontologies relevant for the domain of systems engineering and electronics. We developed various .owl ontologies that describe the domain and collected related ontologies that are relevant. This includes: hardware like processors, sensors, actuators, processor parts, adcs, software, systems like embedded systems, automobiles and driving assistance systems. Further their properties and functions can be described. The base ontology is the GENIAL! Basic Ontology (GBO) which is based on BFO (GENIALOntBFO.owl).