Oy. In September 2005, Gazprom, BASF, and E.ON signed a basic agreement on the construction of a North European gas pipeline. In November 2005, the North European Gas Pipeline Company (later Nord Stream AG) was incorporated in Zug, Switzerland. In December 2005, Gazprom started construction of the Russian onshore segment of the Nord Stream project, in order to connect Nord Stream with the wider Russian natural gas pipeline system. Specifically, the Gryazovets–Vyborg gas pipeline was built in Babayevo, Vologda Oblast, connecting Nord Stream to the Northern Lights Pipeline network. The construction was completed in 2010. In October 2006, the pipeline and the operating company were officially renamed Nord Stream AG. All information related to the pipeline project, including results of the seabed survey of 1998, was transferred from North Transgas to Nord Stream AG. In November 2006, North Transgas was officially dissolved. The environmental impact assessment started in November 2006, when notifications were sent to Russia, Finland, Sweden, Denmark, and Germany as parties of origin (countries whose exclusive economic zones or territorial waters the pipeline was planned to pass through), and Poland, Latvia, Lithuania, and Estonia as affected parties. The final report on transboundary environmental impact assessment was delivered in March 2009. The gas systems operated by Finland's Gasum are connected to Nord Stream via a branch pipeline in Karelia. In March 2007, Nord Stream AG hired Italian company Snamprogetti, a subsidiary of Saipem, for detailed design engineering of the pipeline. A letter of intent for construction works was signed with Saipem in September 2007 and the contract was concluded in June 2008. In September 2007, the pipe supply contracts were awarded to pipe producers EUROPIPE and OMK. In February 2008, the concrete weight coating and logistics services agreements were awarded to EUPEC PipeCoatings S.A. In December 2008, Rolls-Royce Holdings was awarded a contract to supply turbines for the compressor. In January 2009, Royal Boskalis Westminster and Danish Dredging Contractor Rohde Nielsen A/S were awarded a joint venture seabed dredging contract. The supply contracts for the second line were awarded to OMK, Europipe, and Sumitomo Heavy Industries in January 2010. The agreement to add Gasunie to the consortium as the fourth partner was signed in November 2007. In June 2008, Gasunie was included in the register of shareholders. In March 2010, French energy company GDF Suez signed with Gazprom a memorandum of understanding to acquire 9% stake in the project.