JK Holdings Co., Ltd., together with its subsidiaries, engages in the wholesale of decorative plywood, building materials, and housing equipment in Japan and internationally. It operates through three segments: General Building Materials Wholesale; General Building Materials Retail; and Plywood Manufacturing and Wood Processing. The company manufactures and sells ordinary, secondary, structural, and long plywood; plywood-based products; veneer; laminated veneer, timber, and lumber; laminated processed products; wood products; logs; building materials; and home appliances. It also provides structural design, supply of wooden structural frames, pre-cutting, construction, material supply for wooden interior, and installation. In addition, the company is involved in construction work; warehousing and transportation; general cargo; material brokerage; real estate rental; franchise business; travel and insurance agency; housing loan; and e-commerce and management. The company exports its products. JK Holdings Co., Ltd. was founded in 1937 and is headquartered in koto, Japan.