| 1925 |
Established as "Press Mfg. Works", Started press stamping for rolling stock parts and construction material parts. |
| 1929 |
Started production of automotive parts (chassis frames). |
| 1934 |
Reformed to publicly-quoted company, "PRESS KOGYO CO., LTD." |
| 1937 |
Relocated head office and plant to Kawasaki city. |
| 1953 |
Succeeded to develop stamped heavy duty rear axle housing for the first time in Japan. |
| 1961 |
Started production of Fujisawa Plant. |
| 1967 |
Started Vehicle Assembly business. |
| 1968 |
Started production of Onomichi Plant. |
| 1976 |
Started production of Utsunomiya Plant. |
| 1977 |
Started production of Cabin for Construction Machinery. |
| 1988 |
Established U.S. operation, PK U.S.A., INC. |
| 1989 |
Established Thai operation, Thai Summit PK Co., Ltd., |
| 1991 |
Started production of Axle Unit Assembly. |
| 1993 |
Started production of specially equipped vehicles. |
| 1999 |
Applied newly developed technology, variant shaped steel pipe forming to Construction Machinery. |
| 2000 |
Started assembly of Axle Unit for heavy duty truck. |
| 2001 |
New management strategy introduced:
Aim at "specialized manufacturer in core products" by structural reform. |
| 2004 |
Established China operation, PM Cabin Manufacturing Co.,Ltd. |
| 2005 |
Absorbed Press Kogyo Saitama Mfg. Co.,Ltd. and started production as Saitama Plant. |
| 2008 |
Established Thai operation, Thai Summit PK Corporation Ltd.. |
| 2011 |
Established Indonesia operation, PT PK Manufacturing Indonesia |