Isekyu Co., Ltd.

Isekyu Co., Ltd. (伊勢久株式会社) is a Japanese trading and distribution company headquartered in Marunouchi, Naka-ku, Nagoya, Aichi Prefecture. Its origins reach back to the Hōreki era of the Edo period: the company states that it was founded in 1758 (Hōreki 8), giving it a history of more than 260 years. The modern corporation was formally established on December 10, 1930 (Shōwa 5). It remains a privately held, family-influenced company with stated capital of 100 million yen and roughly 240 employees. Isekyu describes its business as providing products, equipment and information to a wide range of customers — companies, research laboratories, universities and hospitals — across broad fields. Its licensed activities span the sale of alcohol, pharmaceuticals, medical devices and veterinary drugs, medical device repair, construction work in plumbing, electrical and interior finishing, handling of narcotics raw materials, poisons and deleterious substances, agricultural chemicals, industrial waste collection and transport, high-pressure gas sales, and second-hand machinery and tools. This breadth reflects its role as a specialized trading house serving the chemical, life-science, medical and industrial sectors rather than a single-product manufacturer. The company is led by Chairman Hiroaki Takagi (高木裕明) and President Kentaro Takagi (高木謙太郎), continuing a long association of the Takagi family with the business. It operates a domestic network of sales offices, including locations in Nagoya and Mishima, and has an overseas group company, Thai Isekyu Co., Ltd. (タイ・イセキュウ), in Thailand. Reported sales were 31.9 billion yen for the fiscal period ending September 2025. Isekyu is a member of numerous industry bodies, including the Aichi Prefecture Chemical Industry and Chemicals Cooperative, the Japan Reagent Association, the Japan Ceramic Society, the Japan Association of Clinical Reagent Wholesalers, and the Tokai Scientific Instruments Association, among others. Its long history, broad licensing portfolio and focus on scientific, medical and industrial supply position it as a long-established regional trading company with a specialized technical distribution role.

Isekyu traces its origins to 1758 (Hōreki 8), during the Edo period, according to the company's own account. This makes it one of the older continuously operating commercial houses in the Nagoya region, with a history spanning more than 260 years. The modern corporate entity, Isekyu Co., Ltd., was formally established on December 10, 1930 (Shōwa 5), during a period when many Japanese trading and distribution businesses were being reorganized into joint-stock companies. Over the 20th century, Isekyu developed into a specialized trading and distribution company serving the chemical, scientific, medical and industrial sectors. Its business model centers on supplying products, equipment and information to a wide range of customers, including private companies, research institutes, universities and hospitals. To support these activities, the company accumulated a broad set of licenses and permits covering pharmaceuticals, medical devices, veterinary drugs, alcohol, agricultural chemicals, poisons and deleterious substances, high-pressure gases, industrial waste handling, and construction work in plumbing, electrical and interior finishing. By the 2020s, Isekyu reported stated capital of 100 million yen and approximately 240 employees, with sales of 31.9 billion yen for the fiscal period ending September 2025. It operates a domestic network of sales offices, including locations in Nagoya and Mishima, and maintains an overseas group company, Thai Isekyu Co., Ltd., in Thailand. Leadership has remained closely associated with the Takagi family: Hiroaki Takagi serves as Representative Director and Chairman, and Kentaro Takagi as Representative Director and President. The company is a member of numerous industry organizations, reflecting its embedded role in the regional scientific, chemical and medical supply ecosystem. These include the Aichi Prefecture Chemical Industry and Chemicals Cooperative, the Aichi Environmental Measurement and Analysis Association, the Aichi Institute of Industrial Technology Association, the Aichi Prefecture Industrial Waste Association, the National Alcohol Sales Association, the Tokai Scientific Instruments Association, the Tokai Regional Bio-Advanced Technology Research Association, the Nagoya Pharmaceutical Club, the Japan Reagent Association, the Japan Ceramic Society, the Japan Ceramic Machinery Association, the Japan Clinical Reagent Wholesalers Federation, the Fine Ceramics Center (JFCC), and the Ceramic Chemical Raw Materials Association. This breadth of affiliation underscores Isekyu's position as a long-established, technically specialized trading house rather than a general merchant.

• 2025

  Reported sales of 31.9 billion yen for the fiscal period ending September 2025.

• 1930

  Modern corporation established on December 10 (Shōwa 5).

• 1758

  Founded in the Hōreki era (Hōreki 8), according to company history.

Long-established Japanese specialized trading company serving the chemical, life-science, medical and industrial sectors with a broad portfolio of licensed distribution activities.

• Chemical reagents and industrial chemicals

• Scientific instruments and laboratory equipment

• Medical devices and clinical reagents

• Pharmaceuticals and veterinary drugs

• High-pressure gases

• Agricultural chemicals

• Alcohol products

• Industrial machinery and tools

1. 1伊勢久株式会社ホームページisekyu.co.jp
2. 2会社概要 - 伊勢久株式会社isekyu.co.jp
3. 3Isekyu - Wikidatawikidata.org