| Company name | Group | Parent | Subsidiary | Customer | Supplier | Alliance | Bank | Shareholder |
|---|---|---|---|---|---|---|---|---|
|
|
||||||||
| 日本機械学会 | ||||||||
| 日本素材物性学会 | ||||||||
| 杉山プラントエンジニアリング株式会社 | ||||||||
| Sugiyama Manufacturing Co., Ltd. | ||||||||
| 東莞市杉山机械設備有限公司 | ||||||||
| 粉体工学会 | ||||||||
|
|
||||||||
| 島田信用金庫 | ||||||||
|
|
||||||||
|
|
Former Chairman Shuhiro Sugiyama established Sugiyama Manufacturing in Takakura-ji-cho, Kasugai City, Aichi Prefecture, as an individual. Began manufacturing and sales of mining and kiln machinery.
Establishment
Constructed and relocated the headquarters factory to 1790 Mizukita-cho, Seto City, Aichi Prefecture.
Reorganized a sole proprietorship into a corporation. Established Sugiyama Heavy Industries Co., Ltd. with capital of 3,000,000 yen.
Sugiyama Heavy Industries Co., Ltd. separated and spun off the design and sales departments, and established Sugiyama Plant Engineering Co., Ltd. with capital of 2,500,000 yen. Sugiyama Heavy Industries President Sugiyama Kazuhiro also serves as the president of the company.
Increased capital to 5,000,000 yen.
Constructed an office and design building at the head office factory.
Increased capital to 20,000,000 yen.
Acquired land for Akita Factory in the northern industrial park of Kosaka Town, Yurihonjo District, Akita Prefecture. Built a material testing building at the head office factory.
Constructed Shizuoka Factory in Sagara Town, Haibara District, Shizuoka Prefecture.
Constructed Akita Factory in Kosugata Town, Yurihonjo City, Akita Prefecture.
Expanded and fully renovated Shizuoka Factory, Office Building, and Design Building.
Constructed Numazu Factory in Aono, Numazu City, Shizuoka Prefecture.
With business expansion, Numazu Factory Press Division was integrated into Shizuoka Factory. Akita Factory closed.
A new headquarters factory was established and relocated within the Anada Town Industrial Park in Seto City, Aichi Prefecture. The former headquarters factory was renamed Seto No. 2 Factory.
Daisuke Sugiyama assumed the position of President and Representative Director. Dongguan Sugiyama Machinery Equipment Co., Ltd. was established in Chang'an, Guangdong Province, China.
Complete reconstruction of the Seto No. 2 factory building and equipment.
Celebrating 50 years of operation on November 11, 2009.
Reorganized Shizuoka Factory into a branch office.
Dongguan Shanshan Machinery Equipment Co., Ltd. closed its office.
Certified as a Regional Future Leading Company by the Ministry of Economy, Trade and Industry.
Certified as an Aichi Brand Company by Aichi Prefecture.
Expansion of the welfare building at the head office factory.
Celebrating 60 years of operation on November 11, 2019.
Expansion of the head office factory and parking lot.
An M5.7 earthquake occurred at 1:04 on November 8, 2026, in Seto City, Aichi Prefecture. There was no damage or impact on production at Sugiyama Heavy Industries Co., Ltd. and related companies. There was also no impact on customers, and we will proceed with the original production and shipping plan.
An industry research event for students beginning their job search will be held at the POWTEX2026 venue. It will start at 11 a.m. and end at 3 p.m. on November 26, 2026, at Tokyo Big Sight East Hall 1, 2, and 3. Admission is free, but prior registration is required.
Sugiyama Heavy Industries Co., Ltd. will exhibit at the 46th International Powder Industry Exhibition POWTEX 2026, showcasing heat treatment equipment, roll crushers, and high-speed shear pulverizers designed for the development and manufacturing of high-performance materials. The exhibition will be held from November 25 to 27, 2026, at Tokyo Big Sight East Hall 2, and admission is free but requires prior registration. Please visit to see the latest equipment.
Sugiyama Heavy Industries Co., Ltd. has introduced a program to support employees repaying student loans. The company will provide up to JPY 30,000 per month for up to seven years, for a maximum total of JPY 2.52 million, easing employees’ financial burden. Payments are sent directly to JASSO, helping create a workplace where employees can work with peace of mind.
Sugiyama Heavy Industries Co., Ltd. introduced a student loan repayment support program for new graduates and mid-career hires. For up to seven years, the company will provide up to ¥30,000 per month, paid directly toward loan repayment. The program is available to users of Japan Student Services Organization loan-based scholarships.
As of July 30, 2026, Sugiyama Heavy Industries Co., Ltd. and related companies have not been affected by the damage or production impact caused by the Kumamoto Earthquake. They are prepared to provide support to the affected areas and nearby customers as needed.
Sugiyama Heavy Industries Co., Ltd. will participate in the employment fair held at Seto Warehouse in Seto City on August 26, 2026. We are recruiting for full-time positions in sales engineering, mechanical design, and manufacturing. Details will be provided at our booth.
Sugiyama Heavy Industries Co., Ltd. will exhibit at the International Powder Industry Exhibition held at Tokyo Big Sight in November 2026. Details such as booth number and exhibition content will be announced later.
Sugiyama Heavy Industries Co., Ltd. hosted the 82nd Wednesday Meeting held at Nagoya Crown Hotel on June 17, 2026. The meeting was attended by many participants and concluded successfully. The speaker was Associate Professor Yosuke Ishii of Nagoya Institute of Technology, who gave a lecture on "Carbon Neutral with Carbon Nanotubes."
On February 19, 2026, in the special feature 'Creating Tomorrow' of Nikkan Kogyo Shimbun, Sugiyama Heavy Industries Co., Ltd.'s products were introduced.