| 1973 | Kyowa America Corporation is organized with 100% investment by Kyowa Electric & Chemical Co. Ltd. |
| 1979 | Kyowa America manufacturing facility is established in Irvine, CA. Kyowa America is recognized by UL as molder/finisher of fabricated plastic parts. (UL# B-1063W). |
| 1987 | Kyowa America expands with an additional facility in Costa Mesa, CA. |
| 1989 | Kyowa America expands with an additional facility in Tijuana, Mexico - Kyomex S.A. de C.V. (UL# B-1063M). |
| 1992 | Kyowa America expands with an additional facility in Waynesburg, PA. (UL# B-1063E) |
| 1994 | Kyowa America receives ISO-9002 certification for three facilities (California, Pennsylvania and Mexico) |
| 1996 | Kyomex S.A. de C.V., Plant 1, is expanded to double its size. |
| 1998 | Kyowa America expands with an additional facility in Mexicali, Mexico - Kyowa Mexicali S.A. de C.V. (UL# B-1063X) |
| 1999 | Kyowa America receives ISO 9002 certification for Mexicali facility. Kyowa receives ISO 14001 certification for California and Tijuana (Kyomex Plant 1) facilities. |
| 2000 | Pennsylvania facility receives QS-9000 certification. |
| 2001 | Pennsylvania facility receives ISO-14001 certification. |
| 2002 | Mexicali facility receives ISO-14001 certification. California facility receives ISO-9001:2000 certification. |
| 2003 | Kyomex Plant 2 is established in Tijuana, Mexico. Kyowa America receives ISO-9001:2000 certification for three facilities (Kyomex Plant 1, Pennsylvania, and Mexicali). This facility is approved by Toyota to serve as a Tier One Supplier. |
| 2005 | Kyomex Plant 2 and California facilities receives ISO/TS 16949 certification. |
| 2006 | Kyowa America Corporate Office relocates to Westminster, CA. Kyowa receives ISO 14001:2004 certification for 4
facilities (California, Pennsylvania, Kyomex Plant 1 and Mexicali). Kyomex Plant 2 receive ISO 14001:2004 certification. It is also expanded by an additional 3840 sq m. including the installation of the Kyowa Tooling Shop. Added new painting capacity. |
| 2007 | U.S. Customs Trade Partnership Against Terrorism (CTPAT) Program Approval, allows for expedited border crossing. |
| 2008 | Kyowa America receives the prestigious TOYOTA "Superior Quality Performance Award" |