Eco field trips
Eco: Field trips in Israel and the world
Kfir Travel
Kfir Travel - add color to your trip
Ayala tours
Ayala Geographic Tours: Challange trips and activities in the world
Hug Elad
Hug Elad: Group of nature loving hikes, who hike throughout Israel
Beit Shmuel
Mercaz Shimshon-Beit Shmuel: The World Union for Progressive Judaism
Miki Gutman