Tour operators

Gateway Travel, Australia	Gateway Travel is situated in Australia. Established since 1972. Arranges tours and customized itineraries. Visa assistance. Standard tour on Trans-Siberian Railroad includes two days in Irkutsk.
Transaero Airlines, Russia	Transaero Airlines is the biggest private airline in Russia after Aeroflot. Offices in USA, Germany, UK. Operates Boing-757 flights Frankfurt-Irkutsk, London-Irkutsk (with stopover in Moscow). High safety standards, good meals. Visa assistance.
Troika-Tour GmbH, Germany	Troika Tours offers a standard tour including Irkutsk and Baikal as well as individual itinerary planning.
Lernidee Reisen, Germany	Lernidee Reisen: established as an educational project, offers a standard tour of Irkutsk, Baikal, Beijing.
Miramed Intl., USA	Miramed: spin-off company of a non-profit humanitarian organization MERAMED INSTITUTE. Offers standard trips to Irkutsk, Baikal, Tuva. Visa assistance.
Traveller Ltd., Finland	Traveller Ltd is a special travel agency in Finland for Trans Siberian train tours to/from Helsinki.
BaikalExpress Sibirienreisen e.K.	BaikalExpress is a a german tour operators company which offers tours to Siberia and specifically to Lake Baikal area.

The top travel companies in Irkutsk (incoming operators)

Irkutsk Baikal Travel Inc. successor of Intourist, operates large hotels in Irkutsk city and in Listvyanka at the Baikal shore
Tourist agency "Maria" oldest private tourist company in Irkutsk
Baikal Explorer private company operated by Leonid Simanovsky
Baikaler.com private company operated by Jack Sheremetoff
BaikalComplex is a private company founded in 1991
Baikal Trekking trekking, rafting, biking in Baikal area, English and German website.
Green Express - hospitality and tourism services in lake Baikal area and Baikal-Mongolian Asia.