NITTOH Corp. engages in the business of construction facilities, installation work for machinery and equipment, and pest control services. It operates through the following segments: Construction Business, Housing Service Business, and Building Maintenance Business. The Construction Business segment handles the installations of hot water floor heating systems, solar power systems, air conditioners and heater systems, and gas-related facilities. The Housing Service Business segment includes termite control, extermination and re-infestation control, moisture control, and house cleaning services. The Building Maintenance Business segment provides window construction, exterior cleaning services. The company was founded on April 2, 1973 and is headquartered in Nagoya, Japan.