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Company brief
Material Testing Center

Miyanaga has earned an excellent reputation from customers through the invention of unique products, which meet the needs of the age for "Drilling efficiency", "Durability", "Safety" and other aspects. What drove the remarkable progress was the flexible idea and technology for "Cutting holes".

The technology and the past achievements of Miyanaga has been highly evaluated not only in Japan but also in overseas. The entry into the US and European markets through the opening of the representative offices in Chicago and Stuttgart. Sales contracts with overseas distributors in the US, Europe, and Southeast Asia. Through the global network thus built, Miyanaga not only supplies its products to the local markets, but also aggressively provides technical consultation, participates in exhibitions, and conducts market research and information gathering.

Always take the perspective of the users ? we believe this motto is being reflected on the technology and reliability of our products.

Established in 1916.

MIYANAGA thanks its many customers for their close and valuable cooperation, a sentiment which is expressed in Japanese script above-
"okagesama de".

Company name Miyanaga Co., Ltd.
Representatives President and Representative Director, Kiyoshi Miyanaga
Company activities Manufacturing of Concrete drills, Carbide tools, Diamond tools, and other ancillary devices, and their applications
Head office & No.1 Factory
Site area: 128,088㎡
Plant area: 10,498㎡
No.2 Factory
Site area: 22,583㎡
Plant area: 16,475㎡
Miyanaga America Corp.

Sep. 1916 Established as Miyanaga Iron Works
Oct. 1964 Renamed to Miyanaga Co., Ltd.
Dec. 1972 Kobe sales head office established
Oct. 1973 Fukuoka sales office opened
Sep. 1976 Tokyo branch opened
Nov. 1979 The first phase construction of No.2 plant
Feb. 1982 Chicago representative office opened
Mar. 1982 Nagoya and Hiroshima sales office opened
Jun. 1982 Sapporo office sales office opened
Sep. 1988 Extension of No.2 plant (Annex)
Dec. 1990 The first phase construction of Welfare building completed
May 1991 Atsugi sales office opened
Oct. 1992 Omiya sales office opened
Jul. 1995 Kobe sales head office closed
Feb. 1995 Osaka branch opened
Nov. 1995 ISO9001 certified
Mar. 1997 Tokyo distribution center opened
Dec. 1997 Stuttgart representative office opened
Aug. 1998 Order entry center opened
Nov. 1998 Transition to home based working system
Jul. 1999 ISO14001 certified
Dec. 2001 Miyanaga America Corporation (MAC) established in the USA
Feb. 2002 Extension of No.2 plant (Annex)
Sep. 2014 50th anniversary of establishment
Dec. 2015 New factory in head office completed
Sep. 2016 100th anniversary of foundation
and acquired “laboratory accreditation” according to ISO/IEC17025.
ISO/IEC17025 Certified.
Jul. 2020 Representative Office - Europe moved to Munich Airport Business Center
(closed in May 2022)