Verified Nov 2026
Metal Fabrication
·
Mountain Top, Pennsylvania
·
Since 1828
CornellCookson manufactures rolling steel doors, security grilles, fire-rated doors, and counter doors, with headquarters in Mountain Top, Pennsylvania. The company was founded in 1828 and was acquired by Clopay Building Products in 2018. It employs an estimated 200 to 500 people and has an estimated annual revenue of $50 to $100 million. Its products serve the non-residential construction, automotive, electric-vehicle, medical, and industrial-equipment sectors. In early 2026 it introduced the AlarmGard Conceal Motor Operator for fire-rated counter doors, which requires 34% less headroom than the prior design.
CornellCookson at a glance
Revenue
$50-100M
Est. band
Employees
200-500
Founded
1828
Headquarters
Mountain Top, Pennsylvania
Certifications
ISO 9001
Import activity
725
Industries
Automotive
Electric Vehicles
Construction
Medical
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
725
Named foreign suppliers
14
Top origins
Taiwan · Germany · Panama · Hong Kong S.A.R.
Shared foreign counterparties do not establish that these companies buy from CornellCookson.
What this tells a buyer
The company announced the AlarmGard Conceal Motor Operator in January 2026, a compact operator for fire-rated counter doors that requires 34% less headroom.
The company holds ISO 9001 certification and produces custom overhead roll-up doors, fire-rated products, insulated doors, and security grilles at facilities in Pennsylvania, Arizona, and North Carolina.
CornellCookson is privately held and operates within the building products industry, with an estimated revenue band of $50 to $100 million.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
198 years in operation (founded 1828).
Holds ISO 9001 certification(s) per public sources.
Overview
CornellCookson manufactures rolling steel doors, security grilles, fire-rated doors, and counter doors, with headquarters in Mountain Top, Pennsylvania. The company was founded in 1828 and was acquired by Clopay Building Products in 2018. It employs an estimated 200 to 500 people and has an estimated annual revenue of $50 to $100 million. Its products serve the non-residential construction, automotive, electric-vehicle, medical, and industrial-equipment sectors. In early 2026 it introduced the AlarmGard Conceal Motor Operator for fire-rated counter doors, which requires 34% less headroom than the prior design.
At a glance
Attribute | Detail |
|---|---|
Founded | 1828 |
Headquarters | Mountain Top, Pennsylvania |
Employees | 200-500 |
Revenue | $50-100M (estimated) |
Primary capability | Metal Fabrication |
Certifications | ISO 9001 |
What CornellCookson makes
The company holds ISO 9001 certification and produces custom overhead roll-up doors, fire-rated products, insulated doors, and security grilles at facilities in Pennsylvania, Arizona, and North Carolina.
Products and capabilities described on the company's own site include Transmission, Steel, LED, Mold (source: cornellcookson.com).
Certifications
CornellCookson is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 9001 — cornellcookson.com
Trade and customs footprint
The company announced the AlarmGard Conceal Motor Operator in January 2026, a compact operator for fire-rated counter doors that requires 34% less headroom. US customs bill-of-lading records list 725 inbound shipments across 14 foreign suppliers, with top origins including Taiwan · Germany · Panama · Hong Kong S.A.R..
Latest developments
2026-04-14 — 💼 WE'RE HIRING! Sr. Manufacturing Engineer. | CornellCookson (linkedin.com)
2026-04-08 — IN THE NEWS: We're proud to be featured in Firehouse Magazine! Our AlarmGard Conceal operator is built for when it matters most. 🔥 See the story: | CornellCookson (linkedin.com)
2026-03-25 — Meet the AlarmGard® Conceal Operator. A smarter, streamlined design for fire-rated counter doors that delivers powerful functionality while cutting headroom requirements by 34%. | CornellCookson (linkedin.com)
2026-01-06 — CornellCookson is here👏 | Quantum Automatic Systems (linkedin.com)
2025-11-19 — An impressive large rolling door replacement in Boston, courtesy of HQI Door Company. | CornellCookson (linkedin.com)
Facilities
CornellCookson is headquartered in Mountain Top, Pennsylvania. Public sources also reference these locations:
Mountain Top, PA — cornellcookson.com
Company details
CornellCookson is privately held and operates within the building products industry, with an estimated revenue band of $50 to $100 million. CornellCookson was founded in 1828, has an estimated 200-500 employees, and is headquartered in Mountain Top, Pennsylvania. On the LightSource stability read it is rated "Established & active": 198 years in operation (founded 1828). Holds ISO 9001 certification(s) per public sources.
Frequently asked questions
What does CornellCookson make?
CornellCookson manufactures rolling steel doors, security grilles, fire-rated doors, and counter doors, with headquarters in Mountain Top, Pennsylvania. The company was founded in 1828 and was acquired by Clopay Building Products in 2018. It employs an estimated 200 to 500 people and has an estimated annual revenue of $50 to $100 million. Its products serve the non-residential construction, automotive, electric-vehicle, medical, and industrial-equipment sectors. In early 2026 it introduced the AlarmGard Conceal Motor Operator for fire-rated counter doors, which requires 34% less headroom than the prior design.
Where is CornellCookson headquartered?
CornellCookson is headquartered in Mountain Top, Pennsylvania (24 Elmwood Ave, Mountain Top, Pennsylvania, 18707).
When was CornellCookson founded?
CornellCookson was founded in 1828.
How big is CornellCookson?
CornellCookson has an estimated 200-500 employees, with revenue in the $50-100M range (estimated).
What certifications does CornellCookson hold?
CornellCookson lists ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does CornellCookson import from overseas suppliers?
US customs bill-of-lading records show 725 inbound shipments for CornellCookson, with top origins including Taiwan · Germany · Panama · Hong Kong S.A.R..
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Last verified Nov 2026. Is this your company? Request a correction.
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