InterLife Holdings Co., Ltd. operates as a holding company which engages in the business administration of its group companies and related operations. It operates through the following segments: Interior Construction, Sound and Lighting Equipment, Equipment and Maintenance and Human Resources Service. The Interior Construction segment engages in planning, design, production, and construction management for commercial facilities, hotels, bridal facilities, offices, exhibitions, etc. The Sound and Lighting Equipment segment engages in planning, design, construction, and maintenance of audiovisual and theatrical lighting for facilities. The Equipment and Maintenance segment engages in contract cleaning, management, repair of buildings inside and outside and maintenance of air conditioning equipment. The Human Resources Service segment provides communication line adjustment services related to telecommunications carriers and introduction services specializing in engineers. The company was founded on October 5, 2010 and is headquartered in Tokyo, Japan.