Otoh Gunga Defense League

The Otoh Gunga Defense League was a Gungan company based on the planet Naboo and named for the Gungan capital city Otoh Gunga. The league produced several types of weaponry used by the Gungan Grand Army during the Invasion of Naboo against the droid forces of the Trade Federation. These included atlatl melee weapon, Gungan personal energy shields and Booma grenades.

Behind the scenes
The Otoh Gunga Defense League was first mentioned in Secrets of Naboo, a supplement book written by J.D. Wiker and Steve Miller for the Star Wars Legends Star Wars Roleplaying Game by Wizards of the Coast. It was confirmed to exist in canon by the reference book Ultimate Star Wars which was released in 2015.