Verified Nov 2026
Metal Fabrication
·
Fife, Washington
·
Since 1947
MITER Brands is a privately held U.S. manufacturer of residential windows and doors, with headquarters in Fife, Washington. The company was founded in 1947 and formally established under the MITER Brands name in 2022. It employs between 5,000 and 10,000 people and operates more than 20 manufacturing facilities across the United States. Its products, including vinyl, aluminum, and fiberglass windows and doors, serve new construction and replacement markets. In July 2026, the company unveiled a new Advanced Glass Systems product line.
Miter Brands at a glance
Revenue
$500M-1B
Est. band
Employees
5,000-10,000
Founded
1947
Headquarters
Fife, Washington
Certifications
ISO 9001
Industries
Automotive
Electric Vehicles
Construction
Renewable Energy
Industrial Equipment
STABILITY SIGNALS
Established & active
79 years in operation (founded 1947).
Holds ISO 9001 certification(s) per public sources.
Overview
MITER Brands is a privately held U.S. manufacturer of residential windows and doors, with headquarters in Fife, Washington. The company was founded in 1947 and formally established under the MITER Brands name in 2022. It employs between 5,000 and 10,000 people and operates more than 20 manufacturing facilities across the United States. Its products, including vinyl, aluminum, and fiberglass windows and doors, serve new construction and replacement markets. In July 2026, the company unveiled a new Advanced Glass Systems product line.
At a glance
Attribute | Detail |
|---|---|
Founded | 1947 |
Headquarters | Fife, Washington |
Employees | 5,000-10,000 |
Revenue | $500M-1B (estimated) |
Primary capability | Metal Fabrication |
Certifications | ISO 9001 |
What Miter Brands makes
The company manufactures vinyl, aluminum, and fiberglass windows and doors and holds ISO 9001 certification.
Products and capabilities described on the company's own site include Glass (source: miterbrands.com).
Certifications
Miter Brands is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 9001 — miterbrands.com
Latest developments
2026-07-13 — MITER Brands unveils new Advanced Glass Systems product line | MITER Brands™ (miterbrands.com)
2026-03-25 — MITER Brands launches new Sunrise Collection™ brand | MITER Brands™ (miterbrands.com)
2026-03-10 — MITER Brands announces renewal of partnership with celebrity designers Brian and Mika Kleinschmidt | MITER Brands™ (miterbrands.com)
2025-09-15 — MITER Brands Announces Sale of NewSouth Window Solutions | MITER Brands™ (miterbrands.com)
2025-09-02 — MITER Brands Announces Strategic Manufacturing Transition in South Florida | MITER Brands™ (miterbrands.com)
2025-06-29 — MITER Brands Announces Sale of Eze-Breeze Porch Enclosures | MITER Brands™ (miterbrands.com)
Facilities
Miter Brands is headquartered in Fife, Washington. Public sources also reference these locations:
Florida — miterbrands.com
Company details
The company is privately held, carries an estimated revenue band of $500 million to $1 billion, and markets brands including Milgard Windows and Doors and MI Windows and Doors. Miter Brands was founded in 1947, has an estimated 5,000-10,000 employees, and is headquartered in Fife, Washington. On the LightSource stability read it is rated "Established & active": 79 years in operation (founded 1947). Holds ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Miter Brands make?
MITER Brands is a privately held U.S. manufacturer of residential windows and doors, with headquarters in Fife, Washington. The company was founded in 1947 and formally established under the MITER Brands name in 2022. It employs between 5,000 and 10,000 people and operates more than 20 manufacturing facilities across the United States. Its products, including vinyl, aluminum, and fiberglass windows and doors, serve new construction and replacement markets. In July 2026, the company unveiled a new Advanced Glass Systems product line.
Where is Miter Brands headquartered?
Miter Brands is headquartered in Fife, Washington (1010 54th Avenue East, Fife, Washington, 98424).
When was Miter Brands founded?
Miter Brands was founded in 1947.
How big is Miter Brands?
Miter Brands has an estimated 5,000-10,000 employees, with revenue in the $500M-1B range (estimated).
What certifications does Miter Brands hold?
Miter Brands lists ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
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.