Co., Ltd. (株式会社エイチ・アイ・エス, Kabushiki-gaisha Eichi Ai Esu) is a travel agency based on the fifth floor of Trust Tower in Kamiya-cho, Tokyo in Kamiyacho, Minatoku, Tokyo, Japan,[3] specializing in low-cost package tours.

The company was founded as International Tours Co., Ltd. in 1980 by Hideo Sawada, born in 1951, and renamed "H.I.S."

[7] Hideo Sawada bought an interest in the Mongolian agricultural Khan Bank and believes Japanese tourism to Mongolia will increase.

in Sasebo, Nagasaki Prefecture, has been recognized by Guinness World Records as “the first robot-staffed hotel” in the world, according to the chief of the Huis Ten Bosch theme park.

[10][11] The aim of Henn na Hotel as proposed by Hideo Sawada is that by "having robots in charge of the reception and placing robots everywhere, we aim to make it the most efficient hotel in the world" by reducing manpower.