Seiersborg videregående skole is a secondary school located in Fredrikstad and Follo, Norway, offering various educational programs.

SM Front specializes in providing quality products for various applications in the construction and building industry.

Seilskuteklubben is focused on sailing and maritime activities, promoting the sport of sailing through events and community engagement.

Seiltur AS specializes in providing sailing experiences and boat rental services along the Norwegian coast.

Seim Maskin specializes in manufacturing and supplying various machinery and equipment for agricultural and industrial purposes.

Seks Ord is a platform that collects short stories based on the six-word format and has published a book with contributions from various authors.

Sel kommune is a municipality in Norway that provides various public services and infrastructure to its residents.

Selbu kommune is a municipality in Norway, focusing on local governance and community services.

The Selbu Church Council and Tydal Church Council are local church organizations involved in community services and activities in Norway.

Selbyggen is a company specializing in building materials and hardware, offering a wide range of products for construction and renovation projects.