SW8 ("Secret Weapon 8") is the code name for a wooden roller coaster currently under construction at Alton Towers in Staffordshire, United Kingdom, the attraction is set to be the park's first roller coaster constructed from wood and is to be manufactured by which Sunbury, Pennsylvania-based roller coaster manufacturer which has created several award-winning rides since its formation in 1994?
SW8 (roller coaster):  The attraction is set to be the park's first roller coaster constructed from wood and is to be manufactured by Great Coasters International. Great Coasters International: Great Coasters International, Inc. (GCI or GCII) is a Sunbury, Pennsylvania-based roller coaster manufacturer which has created several award-winning rides since its formation in 1994.
Great Coasters International, Inc.