NAC Co., Ltd. engages in the lease and sale of dust control and pest control products; and manufacture and sale of mineral water. It operates through the following segments: CreCla, Rental, Construction Consulting, Housing, and Beauty and Health. The CreCla segment deals with the manufacture and sale of mineral water for home delivery. The Rental segment leases and sells dust control products as well as pest control equipment. The Construction Consulting segment sells construction materials to small and medium sized stores as well as provides consulting services. The Housing segment engages in detached custom home building contracting, along with the financial and insurance services associated with it. The Beauty and Health segment handles the mail order sales of cosmetics, health foods, beauty materials. The company was founded by Yoshiyuki Nishiyama on May 20, 1971 and is headquartered in Tokyo, Japan.