A barley tea, grain tea, and health tea specialist manufacturer headquartered in Osaka Prefecture. Uses state-of-the-art roasting equipment at an organic JAS certified factory in Okayama Prefecture, with integrated production from roasting, grinding, drying, blending, to packaging. Supports OEM and private brand contract manufacturing, with quality control systems certified under Organic JAS, HACCP, and JFS-B standards.

A tea specialist manufacturer founded in 1925. With multiple certified tea tasters on staff, the company carefully selects and blends tea leaves from around the world. Offers OEM manufacturing of black tea and flavored tea, with contract manufacturing available in various packaging formats including tea bags and loose leaf tea. Boasts strong technical capabilities as the pioneer of Japan's first tea bag machine manufacturing.

A long-established tea merchant founded in 1850 (Kaei 3) with over 170 years of history. The company handles OEM manufacturing of a wide variety of teas including green tea, black tea, barley tea, and herbal tea. It owns an in-house roasting factory certified under FSSC 22000 and is renowned for its blending techniques. The business ranges widely from commercial products for restaurants to private brand retail products.