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Andersen Corporation
Brand & Manufacturer VerifiedUnited States

Andersen Corporation

Andersen

Andersen Corporation is a privately held American manufacturer of windows and doors sold under the Andersen, Renewal by Andersen and Fenetres MQ brands. Corporate headquarters are located in Bayport, Minnesota, United States. The company was founded in 1903 as the Andersen Lumber Company by Danish immigrant Hans Jacob Andersen and his family in Hudson, Wisconsin; it was renamed Andersen Frame Company in 1929 and took its present name, Andersen Corporation, in 1937. Its first Minnesota factory was built at South Stillwater, now Bayport, in 1913, and the company has been based there since. Andersen states on its corporate site that it employs more than 12,000 people and operates across more than 30 manufacturing, distribution and retail locations positioned to serve every region of the United States.
Operating structure. The portfolio is organised into three businesses: Andersen Windows & Doors, serving the new residential, home improvement and light commercial segments through building-supply dealers and The Home Depot; Renewal by Andersen, a full-service replacement window subsidiary whose first store opened in Minnesota in 1995 and which now operates in more than 100 U.S. markets; and Fenetres MQ, a Quebec-based maker of high-end custom windows and doors with manufacturing in Canada and Italy, producing wood, aluminium-clad wood, bronze-clad wood, UPVC and steel products.
Industry position. Andersen positions itself on product engineering rather than scale alone: it introduced Fibrex composite material, a wood-polymer blend used across several lines, and its ranges span casement, double-hung, awning, bay and bow, sliding and specialty windows, plus entry, patio, storm and folding doors and coastal impact glazing. The company states that its brands are recognised as America's most loved, and most trusted and recommended, window and door brand, citing Andersen brand surveys of U.S. realtors, contractors, builders and homeowners. Ownership is private, held primarily by the Andersen family alongside an employee stock ownership plan.
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United StatesFounded 190313,500+1 Production Base / 100
Last updated: November 2026·By VerityRank Research Team·Methodology

In the press

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Andersen Corporation is America's largest window and door manufacturer, founded in 1903 by Danish immigrant Hans Andersen in Hudson, Wisconsin, and still privately held by the Andersen family with headquarters in Bayport, Minnesota. With estimated 2025 revenue exceeding $3.5 billion and approximately 12,000 employees, Andersen operates manufacturing facilities across the United States, Canada, and Italy. The company is renowned for its multi-material window systems spanning wood, aluminum-clad, and its proprietary Fibrex® composite material, maintaining an unwavering commitment to American manufacturing excellence and product innovation.

Core Business

Andersen's core business centers on Exterior Windows and Doors systems. The company's window portfolio includes the Andersen® 400 Series (vinyl-clad wood windows), Andersen® E-Series (architectural aluminum-clad wood), Andersen® 100 Series featuring proprietary Fibrex® composite material, and Renewal by Andersen® (replacement window division). Andersen's most formidable moat lies in exterior windows with nearly flawless category coverage including thermal break systems, Low-E energy-efficient glass, sliding bay windows, and hurricane impact-resistant products. The company also produces comprehensive entry door systems including steel security doors and storm doors with multi-point anti-theft locking systems. Andersen's exclusive Fibrex® material — a wood-fiber composite with twice the strength of vinyl — provides superior thermal performance and durability, representing a significant competitive differentiation in the market.

Global Presence

Andersen maintains manufacturing facilities across the United States, Canada, and Italy, supporting its position as North America's largest window and door manufacturer. The company's extensive North American distribution network includes company-owned and independent distribution centers, showrooms, and dealer partnerships ensuring broad market coverage. Andersen's international presence, while secondary to its dominant North American market position, includes manufacturing capabilities in Italy for European market product lines and distribution partnerships throughout Canada.

Key Strengths

Andersen's competitive advantages stem from its highly vertically integrated, pure self-manufacturing model with absolutely no OEM/ODM production. The company maintains a complete heavy-asset supply chain spanning timber harvesting and processing, deep glass processing, proprietary Fibrex® extrusion molding, and final assembly. As a 120+ year-old family business, Andersen brings unparalleled brand heritage and customer trust to the residential replacement window market. The company's multi-material product strategy — offering wood, aluminum-clad wood, and Fibrex® composite options across multiple price points — provides coverage of virtually every market segment. Andersen Corporation's scale with $3.5+ billion in revenue and 12,000 employees enables significant investment in R&D for new product development, manufacturing automation, and customer experience innovations including its Renewal by Andersen® replacement window brand.

VerityRank Score

VerityRank Score of 85/100

Quick Facts

Headquarters

Bayport

Founded

1903

Employees

13,500+

Factories

1 Production Base

Presence

1 Countries

Listing

Private / Unlisted

Categories
Building MaterialsPlumbing & Electrical Systems BrandsCeiling Integrated System BrandsDoors & Windows Systems BrandsDoors & Windows Systems ManufacturersDoor & Window Hardware IndustryWindow and Door System IndustryNew Energy Systems Industry

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Data Sources & Methodology

This corporate profile is compiled from publicly available sources including company annual reports, SEC/regulatory filings, official press releases, and verified third-party industry databases. Financial figures reflect the most recent fiscal year disclosures and are cross-validated across multiple independent references.

VerityRank Score is calculated using a proprietary multi-dimensional model evaluating market presence, financial strength, operational scale, innovation capacity, and brand influence. Individual dimension scores are normalized against industry peers and updated quarterly.

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Key references: Refer to the official company website and public filings.