Respond to these showcases www. ajplus. co. uk/ajdirect Readers may obtain information about these products by filling in the enquiry numbers on an AJ enquiry card. Advertisers wishing to promote their products on these pages should contact Chris Bond on 020 75056816 Leading modular-building supplier Portakabin has won accredited-supplier status with OGC buying. solutions - the major procurement agency for the public sector. Throughout a four-year contract, public-sector organisations will be able to avoid compulsory competitive tenders and turn to Portakabin.