Verified Nov 2026
Electronics & Software
·

Clarence, New York
·
Since 1988
Seal & Design Inc is a manufacturer and distributor of die-cut gaskets, seals, O-rings, and molded rubber and plastic products, headquartered in Clarence, New York. Founded in 1988, it has an estimated 200-500 employees and an estimated revenue band of $50-100 million; it is privately held. The company serves the automotive, electronics, medical, military-defense, plumbing-hardware, and industrial-equipment sectors. Its recent recognition includes General Motors' Supplier Quality Excellence Award, which GM reported it has given the company for 11 consecutive years as of June 2026.
Seal & Design Inc at a glance
Revenue
$50-100M
Est. band
Employees
200-500
Founded
1988
Headquarters
Clarence, New York
Certifications
IATF 16949 · ISO 9001 · ITAR registered
Import activity
1300
Industries
Automotive
Electronics
Medical
Military & Defense
Plumbing & Hardware
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
1300
Named foreign suppliers
50
Top origins
China · Taiwan · Vietnam · Hong Kong S.A.R.

Shared foreign counterparties do not establish that these companies buy from Seal & Design Inc.
What this tells a buyer
Customs trade records were not available for this company, and its most recent public development is a 2026 Kawasaki award for the 2025 Best Overall Supplier Score.
The company holds IATF 16949, ISO 9001, and ITAR registrations and lists battery, seal, gasket, rubber, transmission, and electronics products among its offerings.
General Motors is a reported customer, and the company operates from a Clarence, NY facility with additional locations in Rochester and Syracuse, New York.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
38 years in operation (founded 1988).
Holds IATF 16949, ISO 9001, ITAR registered certification(s) per public sources.
Overview
Seal & Design Inc is a manufacturer and distributor of die-cut gaskets, seals, O-rings, and molded rubber and plastic products, headquartered in Clarence, New York. Founded in 1988, it has an estimated 200-500 employees and an estimated revenue band of $50-100 million; it is privately held. The company serves the automotive, electronics, medical, military-defense, plumbing-hardware, and industrial-equipment sectors. Its recent recognition includes General Motors' Supplier Quality Excellence Award, which GM reported it has given the company for 11 consecutive years as of June 2026.
At a glance
Attribute | Detail |
|---|---|
Founded | 1988 |
Headquarters | Clarence, New York |
Employees | 200-500 |
Revenue | $50-100M (estimated) |
Primary capability | Electronics & Software |
Certifications | IATF 16949 · ISO 9001 · ITAR registered |
What Seal & Design Inc makes
The company holds IATF 16949, ISO 9001, and ITAR registrations and lists battery, seal, gasket, rubber, transmission, and electronics products among its offerings.
Products and capabilities described on the company's own site include Battery, Seal, Gasket, Rubber, Transmission, Electronics (source: sealanddesign.com).
Certifications
Seal & Design Inc is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
IATF 16949 — sealanddesign.com
ISO 9001 — sealanddesign.com
ITAR registered — sealanddesign.com
Trade and customs footprint
Customs trade records were not available for this company, and its most recent public development is a 2026 Kawasaki award for the 2025 Best Overall Supplier Score. US customs bill-of-lading records list 1300 inbound shipments across 50 foreign suppliers, with top origins including China · Taiwan · Vietnam · Hong Kong S.A.R..
Known customers
The counterparties below come from public sources that state the relationship directly. A shared counterparty does not by itself establish a current buying relationship unless the source says so:
General Motors — reported by sealanddesign.com
Latest developments
2026-10-05 — Battery and EV systems require components built to manage demanding conditions without compromising performance. | Seal & Design Inc (linkedin.com)
2026-06-05 — Seal & Design is proud to receive General Motors' Supplier Quality Excellence Award for the 11th consecutive year. | Seal & Design Inc (linkedin.com)
2026-05-14 — Seal & Design is hiring an Outside Sales Representative for our Rochester location to drive new business and grow existing accounts. | Seal & Design Inc (linkedin.com)
2026-04-09 — We’re proud to share that Seal & Design has once again been awarded Kawasaki’s Best Overall Supplier Score for 2025! | Seal & Design Inc (linkedin.com)
2026-01-14 — Seal & Design is heading to AHR Expo 2026! | Seal & Design Inc (linkedin.com)
2025-12-26 — Out with the old, in with the new! | Seal & Design Inc (linkedin.com)
Facilities
Seal & Design Inc is headquartered in Clarence, New York. Public sources also reference these locations:
Clarence, NY — sealanddesign.com
Company details
General Motors is a reported customer, and the company operates from a Clarence, NY facility with additional locations in Rochester and Syracuse, New York. Seal & Design Inc was founded in 1988, has an estimated 200-500 employees, and is headquartered in Clarence, New York. On the LightSource stability read it is rated "Established & active": 38 years in operation (founded 1988). Holds IATF 16949, ISO 9001, ITAR registered certification(s) per public sources.
Frequently asked questions
What does Seal & Design Inc make?
Seal & Design Inc is a manufacturer and distributor of die-cut gaskets, seals, O-rings, and molded rubber and plastic products, headquartered in Clarence, New York. Founded in 1988, it has an estimated 200-500 employees and an estimated revenue band of $50-100 million; it is privately held. The company serves the automotive, electronics, medical, military-defense, plumbing-hardware, and industrial-equipment sectors. Its recent recognition includes General Motors' Supplier Quality Excellence Award, which GM reported it has given the company for 11 consecutive years as of June 2026.
Where is Seal & Design Inc headquartered?
Seal & Design Inc is headquartered in Clarence, New York (4015 Casilio Parkway, Clarence, New York, 14031).
When was Seal & Design Inc founded?
Seal & Design Inc was founded in 1988.
How big is Seal & Design Inc?
Seal & Design Inc has an estimated 200-500 employees, with revenue in the $50-100M range (estimated).
What certifications does Seal & Design Inc hold?
Seal & Design Inc lists IATF 16949 · ISO 9001 · ITAR registered on its website. Confirm the certified scope for the specific plant producing your part.
Does Seal & Design Inc import from overseas suppliers?
US customs bill-of-lading records show 1300 inbound shipments for Seal & Design Inc, with top origins including China · Taiwan · Vietnam · Hong Kong S.A.R..
Related suppliers
Explore other suppliers in the LightSource directory:
Last verified Nov 2026. Is this your company? Request a correction.
Location & contact
Phone
+1 716-391-4941
Certification
IATF 16949 · ISO 9001 · ITAR registered
Evaluating suppliers like these?
This profile comes from a public-data sample of around 1,000 companies. Book a demo to see the full LightSource marketplace and supplier discovery platform — 1M+ credible suppliers, with AI-run sourcing events.
