SION

(redirected from Stuurgroep Integraal Overlandvliegen Nederland)
AcronymDefinition
SIONStandard Input Output Norms (Director General of Foreign Trade; India)
SIONSolent Investment Opportunity Network (Portsmouth, UK)
SIONStuurgroep Integraal Overlandvliegen Nederland (Dutch: Steering Group Cross Country Flying Netherlands)
SIONShut in Over Night (oil drilling)