SGN (previously known as 'Scotia Gas Networks') is a UK gas distribution company which manages the network that distributes natural and green gas to 5.8 million homes and businesses across Scotland and the south of England. 
In 2014, Scotia Gas Networks, Scotland Gas Networks and Southern Gas Networks was rebranded to SGN. The company believed the previous names did not represent the business as "bright, forward thinking experts", and that the name "SGN" would be better for customers to understand what SGN does as a company.
The logo of was also changed. From 2005, the logo was originally red and blue dots forming a shape of the United Kingdom. The red dots covered Scotland and the southern area on the "Scotia Gas Networks" logo, just Scotland for the "Scotland Gas Networks" logo and just the southern area for "Southern Gas Networks". This was to highlight where works are carried out by the company. The new logo shows a cylinder filled with orange, blue and purple dots. This represents the polyethylene pipe that the company uses to transport gas. The smaller dots represent the services that work off of the mains.
Map showing Scotia Gas Networks service area within Great Britain.
Companies with headquarters and/or registered office in the UK but no applicable energy operations within the country shown in italics1Ultimate parent company is not UK-based 2Integrated in the United States, no generation or supply activities in the UK