Integration of 中部瓦斯 and ガステックサービス and restructuring of regional energy companies

A 2734-specific organizational restructuring involving the absorption-type merger of 中部瓦斯 and ガステックサービス, a corporate name change to サーラエナジー, and absorption-type splits into 4 regional companies, shifting from a product- and company-based structure to one organized around customers and regions.