The main issue is to determine whether any of these companies were contracted by the Department to supply products or services (e.g. logistics/quarry rock/cement) in relation to the Corrib Gas Pipeline and other infrastructure projects (e.g. port construction/repair/maintenance) since approximately 2002. 1. Top Quarries Ballinasloe Limited 2. Whitebarn Investments Limited 3. Amna Holdings Limited 4. Shannagh Wind Farm Limited 5. Rockbase Developments Limited 6. Property Base Limited 7. Rockall Renewables Limited 8. Noc-Logistics Limited 9. Rockall Logistics Limited 10. Lubrication Engineering Limited 11. Rockall Marine Limited 12. Killybegs Port Services Limited