【Tashiro Ironworks Co., Ltd.】 A team of engineers that responds to a variety of needs, from glass manufacturing facilities to prototype machines and machine assembly.

TEL:045-401-3044 FAX:045-423-3921

Company Infomation

Message from the President

Since our founding in 1923, Tashiro Ironworks has participated in the glass industry as an expert in glass production facilities.
Currently, glass material is rapidly expanding past its conventional usage as a construction material to usage in automotive components, automotive electronics, and displays.
Tashiro Ironworks utilizes fundamental technology gained from long years of experience to respond to the needs of vitreous production technology that is increasingly sophisticated and precise. Our efforts have gained us the trust of our customers.
We consider our engineering skill and imagination as the base for all that we have achieved. We shall continue to strive to respond to requests of our customers in the fullest degree.
Takanobu Tashiro, President

Corporate Information

Company Overview

Headquarters Location
6-7 Kaminoki-Cho, Kanagawa-Ku, Yokohama 221-0015 TEL / 045-401-3044

September, 1923

May, 1943

50 million yen


2.56 billion yen(performance as of July, 2020)

Main Customers
AGC Inc.; Asahi Fiber Glass Co., Ltd.; City of Yokohama; Owens Corning Japan, etc.

Delivery Record
City of Yokohama; Asahi Glass Co., Ltd.; Asahi Fiber Glass Co., Ltd.; Owens Corning Japan, etc

Banks of Account
Mizuho Bank, Ltd., MUFG Bank, Ltd., Yokohama, Ltd.


Business Activities

Engineering work covering general industrial facilities. - Covering all fields such as design, execution, and management.
Engineering work related to export plants. - Record of performance in countries such as America, Indonesia, Myanmar, China, Taiwan, Thailand, Philippines, and Singapore.
Design, manufacturing, installation, and piping related to glass manufacturing facilities.
Commissioned business such as the manufacturing of prototype machines and assembly of machines.
Work relating to government agencies and facilities construction.

Organizational Chart

Organizational Chart


Headquarters Factory
6-7 Kaminoki-Cho, Kanagawa-Ku, Yokohama, Kanagawa Prefecture 221-0015 [Map] TEL / 045-401-3044

Tsurumi Office
45 Ono-Cho, Tsurumi-Ku, Yokohama, Kanagawa Prefecture 230-0046 [Map] TEL / 045-511-4700

Samukawa Office
6-11-1 Ichinomiya, Samukawa-Machi, Koza-Gun, Kanagawa Prefecture 253-0111 [Map] TEL / 0467-75-0604

Sagami Office
426 Sumida, Aikawa-Machi, Aiko-Gun, Kanagawa Prefecture 243-0301 [Map] TEL / 0462-85-2862

Hazawa Office
1150 Matsubara, Hazawa-Cho, Kanagawa-Ku, Yokohama, Kanagawa Prefecture 221-0863 [Map] TEL / 045-381-1548

Kashima Office
25 Tou-Wada, Kamisu, Ibaraki Prefecture 314-0102 [Map] TEL / 0299-97-0045

Aichi Office
1 Asahi, Taketoyo-Cho, Chita-Gun, Aichi Prefecture 470-2514 [Map] TEL / 0569-72-2832

Kita-Kyushu Office
5-1-1 Chome, Makiyama, Tobata-Ku, Kita-Kyushu, Fukuoka Prefecture 804-0053 [Map] TEL / 093-883-5888


September 1923
Founding of Tashiro Ironworks

October 1927
Establishment of Tsumi Office.

May 1943
Establishment of partnership corporation Tashiro Ironworks

July 1957
Establishment of Samukawa Office.

December 1959
Establishment of Tashiro Ironworks Co., Ltd.

April 1967
Establishment of Hazawa Office.

March 1969
Establishment of Ibaraki Office.

April 1970
Establishment of Aichi Office.

June 1972
Establishment of Sagami Office.

January 1973
Receipt of building construction permit (Mayor of Kanagawa Prefecture).

October 1980
Establishment of Kashima Office.

July 1990
Establishment of Yonezawa Office.

June 1995
Establishment of Kita-Kyushu Office.

February 2004
Obtained ISO9001 certification. (Range of certification: Design Group 1, Design Group 2, Machining Group)