Companies based in Yuzhno-Sakhalinsk

OJSC "SAT Airlines — Sakhalinskie Aviatrassy" (Russian: Сахалинские Авиатрассы), commonly known as SAT Airlines, was an airline based in Sakhalin, Russia. It provided scheduled regional air services in Russia's Far East and to destinations in China, South Korea and Japan. Other services included charter flights, search and rescue operations, firefighting and aerial patrols. Its main base was Yuzhno-Sakhalinsk Airport.

Exxon Neftegas Limited (ENL; Russian: Эксон Нефтегаз Лимитед) is a defunct subsidiary of the American oil company ExxonMobil which operated mostly in Russia, notably Sakhalin and other parts of the Far East. ENL was the primary American operator (as well as 30% owner) of Sakhalin-I Consortium, which oversaw exploration and production of oil and gas on both Sakhalin island and in the Chayvo, Odoptu and Arkutun-Dagi fields in the Sea of Okhotsk. The subsidiary is incorporated in the Bahamas and has an office in Yuzhno-Sakhalinsk. Exxon Neftgas was led by future ExxonMobil CEO Rex Tillerson from 1998 to at least May 2001.

Sakhalin Energy Investment Company Ltd. (Sakhalin Energy) is a consortium for developing the Sakhalin-2 oil and gas project with corporate head office in Yuzhno-Sakhalinsk. Roman Dashkov has been the Chief Executive Officer since 2013.

Aurora (Russian: Аврора) is a Russian airline headquartered in Yuzhno-Sakhalinsk, Sakhalin Oblast. It operates domestic and international flights in the Russian Far East region. It is named after the Russian cruiser Aurora.