ABOUT US 2024-02-13T02:36:50+00:00


Message from the President and CEO

Being one of the Japanese oriented “coil center” in the country, MM Steel Service Center Corporation plays an important role in the continued growth and development of the Philippine industry. Thru its wealthy experience and extensive technical know-how that started in 1990, the company based in Carmona, Cavite has provided excellent service and good relationship on all of its customers.

“We can build on continuous improvement” the company’s year 2023 slogan, embodied MM Steel’s commitment to operate and serve variety of Philippine industries such as those in the automotive, motorcycles, appliance, office automation, electric/electronics and other related fields.

MM Steel will strive and continue to challenge meeting customers’ requirements showcasing its resiliency and dependability to be an attractive company.

A demonstration to its unending continual growth and improvement are the ISO certifications that the company subscribes namely ISO 9001:2015 Quality Management System, ISO 14001:2015 Environmental Management System, ISO 45001: 2018 for Occupational Health and Safety and IATF 16949: 2016 Automotive Quality Management System Standard.

In order to grow our socially responsible business, MM Steel hope for your support, patronage and suggestions. Where steels are required, our presence will be there.

Atsumu Yamaguchi,
President and CEO


MM Steel Service Center Corporation will contribute to the growth of the Philippines industry, economy and society through consistent supply of good quality and best value steel products.

MM Steel Service Center Corporation will be the No. 1 steel service center in the Philippines.

MM Steel Service Center Corporation will pursue the satisfaction of all its customers, employees and shareholders.
MM Steel Service Center Corporation will develop its employees to be self-reliant, proactive and customer service oriented.
MM Steel Service Center Corporation will behave sincerely honestly and fairly.


Corporate name MM Steel Service Center Corporation
Date of Establishment February 1990
Capital  US$ 2,474,000.00
President & CEO Atsumu Yamaguchi
Corporate Adviser Yasuki Watanabe
Fiscal year-end December 31
Shareholders 60% owned by Marubeni-Itochu Steel Inc. (visit site: www.benichu.com)
40% owned by Metal One Corporation (visit site: www.mtlo.co.jp)
Number of Employees 114 (February, 2024)
Business areas Steel Processing (Slitting, Levelling and Shearing)
Head Office People’s Technology Complex – Special Economic Zone
PTC-SEZ Brgy. Cabilang Baybay Carmona Cavite
Tel. (046) 430-2041 to 46
Fax (046) 430-2037



February 1990

Marubeni Corp. established MMSS.

March 1990

Mitsubishi Corp. established HSCI.

December 1992

Nissho Iwai Corp. established COIL TECH.


Steel div. of Marubeni Corp. and Itochu Corp. were merged and Marubeni Itochu Steel Inc. was established.


HSCI absorbed COIL TECH.


Steel div. of Mitsubishi Corp. and Nissho Iwai Corp. were merged and Metal One Corp. was established.

October 2009

MMSS and HSCI were merged and New MMSS was started.