Top 9 Casement Window Manufacturers Worldwide

Top 9 Casement Window Manufacturers

Quick Overview

1. JELD-WEN

JELD-WEN is a leading global manufacturer of windows and doors with a presence in 19+ countries and over 120 production facilities. Founded in 1960, it offers durable casement windows in wood, vinyl, and aluminum, along with doors and wall systems, serving residential and commercial markets worldwide.

Basic Information:

• Headquarters: Charlotte, North Carolina, USA

• Founded: 1960

• Company Type: Public building-products manufacturer (Russell 2000 component)

• Main Products: Casement windows, interior & exterior doors, wall systems, shower enclosures

• Service Area: Global (operations in 19 countries)

• Why Recommend: Wide product diversity, strong manufacturing network, and materials for multiple market segments.

2. Andersen Corporation

Andersen Corporation, founded in 1903, is the largest window and door manufacturer in North America. Known for premium materials like Fibrex® and wood-clad options, Andersen offers high-performance casement windows across multiple series, combining energy efficiency, design versatility, and durability for residential and commercial applications.

Basic Information:

• Headquarters: Bayport, Minnesota, USA

• Founded: 1903

• Company Type: Privately held multinational manufacturer

• Main Products: Casement windows, double-hung windows, sliding windows, entry and patio doors

• Service Area: North America & global exports

• Why Recommend: Premium materials, strong energy efficiency, and diverse design options.

3. Pella Corporation

Founded in 1925, Pella Corporation is renowned for its innovative, energy-efficient window solutions. Offering casement windows in wood, fiberglass, and vinyl, Pella combines style, performance, and sustainability, with many models meeting or exceeding ENERGY STAR® standards, serving both residential and commercial customers nationwide.

Basic Information:

• Headquarters: Pella, Iowa, USA

• Founded: 1925

• Company Type: Privately held window and door manufacturer

• Main Products: Casement windows, awning windows, sliding windows, entry and patio doors

• Service Area: USA & international markets

• Why Recommend: Sustainable design, diverse material options, and strong brand reputation.

4. OKNOPLAST

Established in 1994, OKNOPLAST is a European leader in uPVC and aluminum window manufacturing. With advanced engineering and modern styling, its casement windows deliver energy efficiency and durability. The company exports to multiple countries and is known for precision production and sleek, contemporary designs.

Basic Information:

• Headquarters: Ochmanów, Poland

• Founded: 1994

• Company Type: Private limited liability company

• Main Products: uPVC & aluminum windows, casement and tilt-turn windows, doors, shutters

• Service Area: Europe & international exports

• Why Recommend: High-quality European manufacturing with modern design appeal.

5. VEKA AG

Founded in 1967 in Germany, VEKA AG specializes in high-quality uPVC profiles for windows and doors. While it does not make finished products, its profiles are widely used in durable, weather-resistant casement windows globally, valued for their thermal performance and longevity.

Basic Information:

• Headquarters: Sendenhorst, Germany

• Founded: 1967

• Company Type: Private manufacturer of uPVC profiles

• Main Products: uPVC window and door profiles, shutter systems

• Service Area: Worldwide

• Why Recommend: Industry leader in uPVC systems with proven quality and durability.

6. Euroline Steel Windows & Doors

Euroline Steel Windows & Doors, established in 1993, is a U.S. leader in custom steel window fabrication. Its steel casement windows combine timeless design with structural strength, making them ideal for luxury homes, commercial projects, and historic restorations.

Basic Information:

• Headquarters: Yorba Linda, California, USA

• Founded: 1993

• Company Type: Custom steel window and door manufacturer

• Main Products: Steel casement windows, french doors, sliding doors

• Service Area: USA & international projects

• Why Recommend: Premium steel craftsmanship for high-end architectural projects.

7. G.James Glass & Aluminium

Founded in 1917, G.James Glass & Aluminium is one of Australia’s largest glass processors and aluminium window manufacturers. It offers aluminum-framed casement windows designed for strength, durability, and design flexibility, serving residential, commercial, and industrial markets.

Basic Information:

• Headquarters: Brisbane, Queensland, Australia

• Founded: 1917

• Company Type: Private manufacturer and glass processor

• Main Products: Aluminium casement windows, glass façades, curtain walls, doors

• Service Area: Australia & exports

• Why Recommend: Century-long experience with strong engineering and custom design capabilities.

8. Internorm

Internorm, founded in 1931, is Austria’s leading window brand, specializing in high-performance uPVC, uPVC-aluminum, and timber-aluminum windows. Its casement and tilt-turn models feature advanced insulation and modern design, serving homeowners and developers across Europe.

Basic Information:

• Headquarters: Traun, Austria

• Founded: 1931

• Company Type: Family-owned window and door manufacturer

• Main Products: uPVC, timber-aluminum, and hybrid windows, entrance doors

• Service Area: Europe & global partners

• Why Recommend: Innovative window technologies and strong European presence.

9. APRO

APRO is a modern window and door manufacturer based in China, known for its sleek designs and durable materials. Founded in 2015, the company offers high-performance aluminum casement windows with excellent thermal insulation, low maintenance, and customizable finishes—ideal for both residential and commercial projects.

Basic Information:

• Headquarters: Guangzhou, China

• Founded: 2015

• Company Type: Private manufacturer

• Main Products: Aluminum casement windows, hinged and sliding doors

• Service Area: China & international exports

• Why Recommend: Modern aesthetics, energy-efficient performance, and versatile customization options.

10. Ply Gem

Ply Gem is a leading North American manufacturer of exterior building products, including a wide range of windows and patio doors. With more than 75 years of industry experience, Ply Gem offers high-quality casement and awning windows designed for both new construction and replacement projects. Their window products are available in various materials, colors, frame styles, and energy-efficient glass options to suit different architectural needs and climates.

Basic Information:

• Headquarters: Cary, North Carolina, USA
• Founded: 1943
• Company Type: Building products manufacturer (Part of Cornerstone Building Brands)
• Main Products: Casement & awning windows, double/single hung windows, sliding windows, patio doors, siding, trim & accessories
• Service Area: North America (widespread distribution via dealers and home centers)
• Why Recommend: Affordable, energy-efficient window options with broad style variety and reliable performance for residential projects.

11. ARCAT

ARCAT is a comprehensive building information modeling (BIM) and product data platform for architects, engineers, contractors, and manufacturers. It provides free access to detailed CAD drawings, BIM objects, CSI-formatted specifications, product catalogs, and architectural resources to support window and building product selection and documentation.

Basic Information:

• Headquarters: Fairfield, Connecticut, USA (North America)
• Founded: 1991
• Company Type: Free online building product information & BIM resource
• Main Products/Services: Free CAD drawings, BIM files, specifications, product libraries, architectural content
• Service Area: Global access via web (AEC community)
• Why Recommend: Vast directory for window product data, specs, and documentation — helps designers and builders make informed decisions.

How to Choose the Right Casement Window Manufacturer

Not all casement windows are created equal—and choosing the right manufacturer makes a big difference in quality, performance, and style. Here’s what to look for:

• Material Quality: Select brands that use durable, weather-resistant materials like uPVC, aluminum, fiberglass, or wood-clad frames—built to last and provide excellent insulation.

• Style Variety: Look for manufacturers offering multiple frame colors, finishes, grille designs, and glass options to match your home’s architectural style.

• Energy Efficiency: Choose windows that are ENERGY STAR® certified or feature low-E glass and multi-pane glazing to reduce energy costs.

• Customization Options: If you need unique sizes, hardware styles, or special glass types, pick a manufacturer with flexible design and build capabilities.

• Reputation & Support: Opt for companies with strong reviews, reliable warranties, and responsive customer service to ensure support from order to installation.

Conclusion

Choosing the right casement window manufacturer can enhance your property’s energy efficiency, aesthetics, and long-term value. The best suppliers deliver a balance of innovation, quality materials, and dependable customer support.

Need help finding the ideal casement window solution? Contact us today to explore design options, compare specifications, or get expert guidance for your next project.