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Seal & Design Inc. is a world-class manufacturing and distribution company specializing in all types of sealing products. Our product line includes gaskets, o-rings, seals, molded products, die-cut foams, and many other specific products for all kinds of sealing applications.

Seal & Design consists of three divisions/locations across the US and Canada.

Seal & Design supplies to the Automotive, Medical, Military, Aerospace, Electronics, Power Generation, Hydraulics, and many other commercial industries. 

Seal & Design was founded and continues to be headquartered in Clarence, NY. Dean S. Penman is Company President, a role he has fulfilled since 2007, succeeding his father and company founder, Dean T. Penman.

30 Years Seal and Design


Certification / Award



Seal & Design
IATF 16949:2016 IATF 16949:2016

Certificate numbers: C0021493-IS12 and 0393417

Seal & Design Canada
ISO Cert

Certificate number: C0034953-IS7

Syracuse Division
ISO Cert

Certificate number: C0270071-IS3

3M converter status allows us access to 3M-certified specialists and support services, access to cutting-edge products and solutions, and the most competitive pricing the industry offers.

Rogers Preferred Converter

Seal & Design is a Rogers preferred Converter for PORON® and BISCO® materials used in gasket and sealing applications.