Shigeyo Watanabe Building (Tenjin, Chuo-ku) is located about a 2-minute walk from Tenjin Station on the Subway Airport Line. The address is 1-12-14 Tenjin, Chuo-ku, Fukuoka City. construction was completed in November 2000. It is a steel-framed reinforced concrete structure with 10 floors above ground and one below. This high-grade office building faces Watanabe-dori and Showa-dori and is located at the "Tenjinbashiguchi" intersection. The building is equipped with a 24-hour machine security system. The building is individually air-conditioned, making it comfortable to use regardless of the season. The building is also equipped with a mechanical multi-story parking lot for your convenience.

The New KBC Building is located at 1-1-35 Nagahama, Chuo-ku, Fukuoka City. Completed in 1999, the 11-story building has one basement floor and 11 above-ground floors that meet the new earthquake resistance standards. There are four elevators. Optical fiber lines have been adopted to provide a smooth Internet environment. The floors are individually air-conditioned and equipped with OA connection. Refreshment corners are located on each floor. The nearest station is Tenjin Station.