Group Introduction
Main Group Companies
（MEG）Group management and administration
（MEC）
Design, manufacture, erection, installation, maintenance and repair of bridges, steel frameworks, and other steel structures; design and manufacture of pre-stressed concrete; construction and project management of civil engineering works; and assembly of steel towers and structures with large interior spaces
MK ENGINEERING CO., LTD.
Bridge erection and steel frame assembly
MK WORKS CO., LTD.
Equipment handling and maintenance
（MMB）
Design, manufacture, installation, sale, and repair of bridges, coastal structures, etc.
Design, manufacture, and erection of steel structures; sale of bolts, welding materials, etc.; personnel dispatching, and other business operations
Main Group Companies
MIYAJI ENGINEERING CO., LTD.
| Main Business | Design, manufacture, erection, installation, maintenance and repair of bridges, steel frameworks, and other steel structures; design and manufacture of pre-stressed concrete; construction and project management of civil engineering works; and assembly of steel towers and structures with large interior spaces |
|---|---|
| Head Office Location | 9-19, Nihonbashi-tomizawacho, Chuo-ku, Tokyo 103-0006, Japan |
| Tel | 03-3639-2111（代） |
| Date of Establishment | March 12,1949 * MIYAJI IRON WORKS CO., LTD. was established in 1908. * On March 31, 2011, MIYAJI CONSTRUCTION & ENGINEERING CO., LTD. and MIYAJI IRON WORKS CO., LTD. merged to form MIYAJI ENGINEERING CO., LTD. |
MM BRIDGE CO., LTD.
| Main Business | Design, manufacture, installation, sale, and repair of bridges, coastal structures, etc. |
|---|---|
| Head Office Location | 20-24,Kannonshinmachi 1-chome, Nishi-ku,Hiroshima-City,Hiroshima-Prefecture 733-0036,Japan |
| Tel | 082-292-1111 |
| Date of Establishment | October 2,1972 |
MG CORPORATION INC.
| Main Business | Design, manufacture, and erection of steel structures; sale of bolts, welding materials, etc.; personnel dispatching, and other business operations |
|---|---|
| Head Office Location | 3,Yawatakaigandori, Ichihara-City, Chiba-Prefecture 290-8580,Japan |
| Tel | 0436-40-1680 |
| Date of Establishment | July 5,1990 |