The activists include computer industry professionals as well as teenage geeks.
Leading activists in its early years included José Allende and Horacio Sueldo.
Australian pacifists and anti-conscription activists during this period included Bella Guerin and Doris Blackburn.
Its notable activists included Tadeusz Salski.
The activists included local people and a group called "Ecological Defense of the Moscow Region", along with Greenpeace Russia, and the "Left Front" civil movement.
Other activists from Bahrain included Abdulhadi al-Khawaja and Mohamed al-Maskati.
Its notable activists included Stanisław Worcell and Ludwik Mierosławski.
Important Young Slovene leaders and activists included:
The company released a statement saying: "For the past four years, activists have wrongly included Caterpillar in a publicity campaign aimed at advancing their much larger political agendas.
Prominent activists included world-famous pianist and future prime minister of Poland, Ignacy Jan Paderewski.