French-owned Asystel Network Systems Ltd, which last year acquired IBL Plc’s IBL Network Systems Ltd, has returned to the same source, now owned by Inspectorate International, to purchase the personal computer arm of Sun Computer Maintenance Ltd: Asystel aims to be the number one computer services company in Europe and the number two PC dealer in the UK by the end of 1988; it says it will reach its targets with more acquisitions.