Welcome to the great northern sheds service information page. we are the premier providers of detached structures. our goal is to provide you the very best in storage and work areas available in alaska.. See past project info for great northern sheds including photos, cost and more. north pole, ak - outdoor storage building contractor. professionals. carpenter carpet cleaner chimney sweep deck contractor drywall contractor electrician excavation contractor fencing contractor flooring contractor framing contractor.. Great northern sheds, llc is an alaska limited-liability company filed on june 23, 2015. the company's filing status is listed as good standing and its file number is 10030397. the registered agent on file for this company is brenda senecal and is located at 2429 outside boulevard, north pole, ak 99705..