Verified Nov 2026
Metal Fabrication
·
Chiyoda, Tokyo
·
Since 1957
YKK AP Inc. is a Japanese manufacturer of architectural products and aluminum building materials, headquartered in Chiyoda, Tokyo. Founded in 1957, it employs roughly 10,000 to 50,000 people, with estimated annual revenue in the $1 billion to $5 billion range. It is a wholly-owned subsidiary of YKK Corporation. The company serves the automotive, electric-vehicle, construction, renewable-energy, and industrial-equipment sectors. In November 2025 it began operations at a new production building for low-emissivity glass used in high-insulation windows at its Namerikawa plant.
YKK AP Inc. at a glance
Revenue
$1-5B
Est. band
Employees
10,000-50,000
Founded
1957
Headquarters
Chiyoda, Tokyo
Certifications
ISO 14001
Import activity
6370
Industries
Automotive
Electric Vehicles
Construction
Renewable Energy
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
6370
Named foreign suppliers
50
Top origins
Singapore · Taiwan · Japan · South Korea
Shared foreign counterparties do not establish that these companies buy from YKK AP Inc..
What this tells a buyer
No customs data is available for this company, but it reported in November 2025 that it had opened a new low-emissivity glass production building at its Namerikawa manufacturing site.
The company manufactures aluminum entrances, curtain walls, vinyl windows, and aluminum framing systems, and holds ISO 14001 certification.
YKK AP is a wholly-owned subsidiary of YKK Corporation, the company's stated parent, and its revenue and headcount bands are estimates rather than reported figures.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
69 years in operation (founded 1957).
Holds ISO 14001 certification(s) per public sources.
Overview
YKK AP Inc. is a Japanese manufacturer of architectural products and aluminum building materials, headquartered in Chiyoda, Tokyo. Founded in 1957, it employs roughly 10,000 to 50,000 people, with estimated annual revenue in the $1 billion to $5 billion range. It is a wholly-owned subsidiary of YKK Corporation. The company serves the automotive, electric-vehicle, construction, renewable-energy, and industrial-equipment sectors. In November 2025 it began operations at a new production building for low-emissivity glass used in high-insulation windows at its Namerikawa plant.
At a glance
Attribute | Detail |
|---|---|
Founded | 1957 |
Headquarters | Chiyoda, Tokyo |
Employees | 10,000-50,000 |
Revenue | $1-5B (estimated) |
Primary capability | Metal Fabrication |
Certifications | ISO 14001 |
What YKK AP Inc. makes
The company manufactures aluminum entrances, curtain walls, vinyl windows, and aluminum framing systems, and holds ISO 14001 certification.
Certifications
YKK AP Inc. is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 14001 — ykkap.com
Trade and customs footprint
No customs data is available for this company, but it reported in November 2025 that it had opened a new low-emissivity glass production building at its Namerikawa manufacturing site. US customs bill-of-lading records list 6370 inbound shipments across 50 foreign suppliers, with top origins including Singapore · Taiwan · Japan · South Korea.
Latest developments
2026-09-18 — パナソニック ハウジングソリューションズ社長 山田 昌司 氏 × YKK AP社長 魚津 彰 対談 ―― 建築資材・住宅設備市場のリーディングカンパニーへ | YKK AP グローバルウェブサイト (ykkapglobal.com)
2026-03-23 — YKK AP、中間持ち株会社としてYKKが「YKKインベストメント」を設立=PHSとのシナジー早期最大化へ | 住宅産業新聞 (housenews.jp)
2025-11-27 — 滑川製造所 高断熱窓用「Low-Eガラス」生産棟を新設し操業開始 | YKK AP グローバルウェブサイト (ykkapglobal.com)
2025-11-17 — YKK Corporation and Panasonic Holdings Corporation sign a share transfer agreement for Panasonic Housing Solutions Co., Ltd. | YKK AP Global Website (ykkapglobal.com)
2025-10-10 — YKK AP India Business: New Aluminum Extrusion Line Installed at Bhoruka Extrusions Mysuru Factory | YKK AP Global Website (ykkapglobal.com)
2025-09-01 — YKK AP Acquires Shares in a German Window and Curtain Wall Manufacturer | YKK AP Global Website (ykkapglobal.com)
Facilities
YKK AP Inc. is headquartered in Chiyoda, Tokyo. Public sources also reference these locations:
Company details
YKK AP is a wholly-owned subsidiary of YKK Corporation, the company's stated parent, and its revenue and headcount bands are estimates rather than reported figures. YKK AP Inc. was founded in 1957, has an estimated 10,000-50,000 employees, and is headquartered in Chiyoda, Tokyo. On the LightSource stability read it is rated "Established & active": 69 years in operation (founded 1957). Holds ISO 14001 certification(s) per public sources.
Frequently asked questions
What does YKK AP Inc. make?
YKK AP Inc. is a Japanese manufacturer of architectural products and aluminum building materials, headquartered in Chiyoda, Tokyo. Founded in 1957, it employs roughly 10,000 to 50,000 people, with estimated annual revenue in the $1 billion to $5 billion range. It is a wholly-owned subsidiary of YKK Corporation. The company serves the automotive, electric-vehicle, construction, renewable-energy, and industrial-equipment sectors. In November 2025 it began operations at a new production building for low-emissivity glass used in high-insulation windows at its Namerikawa plant.
Where is YKK AP Inc. headquartered?
YKK AP Inc. is headquartered in Chiyoda, Tokyo.
When was YKK AP Inc. founded?
YKK AP Inc. was founded in 1957.
How big is YKK AP Inc.?
YKK AP Inc. has an estimated 10,000-50,000 employees, with revenue in the $1-5B range (estimated).
What certifications does YKK AP Inc. hold?
YKK AP Inc. lists ISO 14001 on its website. Confirm the certified scope for the specific plant producing your part.
Does YKK AP Inc. import from overseas suppliers?
US customs bill-of-lading records show 6370 inbound shipments for YKK AP Inc., with top origins including Singapore · Taiwan · Japan · South Korea.
Related suppliers
Explore other suppliers in the LightSource directory:
Last verified Nov 2026. Is this your company? Request a correction.
Location & contact
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.