Takatoshi Tamaigo

Kugahara Sports Club Co., Ltd. operates and manages a swimming sports club. The company was founded on June 11, 1980 and is headquartered in Tokyo, Japan.

Lingo LLC operates English test review center. It conducts review for Test of English as a Foreign Language (TOEFL) and International English Language Testing System (IELTS). The company was founded on February 12, 1998 and is headquartered in Tokyo, Japan.

Part of Johnan Academic Preparatory Institute, Inc., JBS Nursery Corp. is a Japanese child-rearing support company. The company is based in Kawasaki, Japan. The company's description mentions recruitment for regular and part-time nursery employees, as well as child-rearing support services. JBS Nursery was acquired by Johnan Academic Preparatory Institute, Inc. from JBS Holdings KK on May 01, 2017 for $1.35 million.

Littleland KK engages in the management of various classrooms for infants and children. It also provides the books publishing related to the children. The company was founded on June 1, 2005 and is headquartered in Tokyo, Japan.