EnviroQuest, Inc. (EQI), a Hawaii based corporation, does considerable work in Japan but we have NO RELATION with EnviroQuest Japan, Inc. (EQJ) and its principals, Yuuji Yoneyama and Hisaya Yoneyama.
EnviroQuest, Inc. (EQI) is a privately held corporation providing a comprehensive range of industrial hygiene and environmental consulting services. EQI is strategically located in Aiea, Hawaii and Tokyo, Japan.