History Of Sekisui North America

Proud To Be The First Japanese Manufacturer To Operate in North America.

Sekisui started in Pennsylvania in April 1963, when the Sekisui Plastics Corporation began operations, becoming the first Japanese manufacturer in North America. We have since grown to 10 individual companies, and continue to honor our parent company’s story by building on its rich history.

Our Company Timeline

Above is an interactive timeline of our company history. Rollover the dates on the blue line, or click on the arrows to browse year by year.


Sekisui Plastics Corporation becomes the first Japanese manufacturer to operate in North America.


Sekisui Voltek begins providing innovative, cutting-edge solutions for several industries, including transportation, health care, construction, tapes, and more.


Sekisui S-LEC Mexico opens its operations in Mexico, and begins providing glass interlayer technology to Latin America.


Sekisui America Corporation is established to support each company in North America with reliable resources and assets.


KYDEX, LLC added its specialty in thermoplastic sheet design and manufacturing to the Sekisui family.


Sekisui S-LEC joins the company, adding its 40+ years of experience in glass interlayer technology.


Sekisui Products, LLC is formed, and begins importing high performance plastic products to North America from Japan.


Sekisui SPR Americas, LLC opens operations in North America and begins its rapid growth in underground infrastructure.


Allen Extruders, LLC is acquired, bringing its legacy of superior quality and service as a high-quality thermoplastics manufacturer.


XenoTech adds its focused expertise on biotransformation and preclinical development consulting to the broad range of pharmaceutical development services offered by Sekisui.


Global manufacturer and supplier of Polyvinyl Alcohol products, Sekisui Specialty Chemicals America, LLC, is added to Sekisui America Corporation.


Sekisui Diagnostics was formed as an affiliate of Sekisui Medical Co., Ltd.


Sekisui America Corporation is pleased to celebrate 50 years of operation in North America.