What Crystal Window & Door Systems does

Crystal Window & Door Systems, Ltd. is a privately held, family-owned U.S. manufacturer of architectural fenestration products founded in 1990 by Thomas Chen and headquartered in Flushing, Queens, New York. The company designs, extrudes, fabricates, and finishes aluminum, vinyl, and uPVC windows and doors across six production facilities in Queens NY, Scranton PA, Chicago IL, St. Louis MO, Riverside CA, and Toronto, Canada, with distribution in 40+ U.S. states. Crystal is ranked among the top 25 window manufacturers in North America, employs roughly 700 staff, and reports a portfolio exceeding 1,000 notable projects including Waterside Plaza (6,651 units), The Arboretum (4,261 units), Upton Place (2,797 units), and the VOCO Times Square hotel (31,000+ sq ft of W50i Window Wall system).

The company's core technology is a vertically integrated manufacturing process performed in-house from first extrusion through final powder coating, enabling end-to-end quality control across aluminum, vinyl, and uPVC product lines. Key technical platforms include polyamide insulating thermal break aluminum systems, multi-chamber fusion-welded vinyl frames, unitized pre-glazed window wall systems (W50i), and the commercial-grade MAGNUS uPVC series. In 2026 Crystal launched the OPUS premium aluminum line (SL38, ML8, MP) under a strategic partnership with Belgian firm Reynaers, designating Crystal as an Official US Certified Fabricator with full U.S. warranty support. The firm holds AAMA, NFRC, NAHB, IGCC, and AIA accreditations and has received multiple BD+C Top 75 Building Products awards.

Crystal operates a hybrid go-to-market combining a national authorized dealer network (serviced through the E-Z Crystal online portal), regional direct sales representatives across the Mid-Atlantic, Northeast, Southeast, Midwest, Southwest, and West regions, and direct enterprise sales to large developers, general contractors, hospitality, institutional, and government customers. Pricing is quote-based per project rather than published, with revenue derived from made-to-order aluminum, vinyl, and uPVC window and door sales across residential replacement, new construction, and commercial multifamily and institutional segments. In October 2024 Crystal broke ground on a $121 million Mansfield, Texas manufacturing facility and regional headquarters, expected to create 504 new jobs. The company is expanding upmarket via OPUS, increasing national reach through Texas and Crystal Pacific/Crystal Canada, and operates without external institutional investment.

Name

Crystal Window & Door Systems

Legal name

Crystal Window & Door Systems, Ltd.

Website

https://crystalwindows.com

Company type

Private

Founded year

1990

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Crystal Window & Door Systems is a privately held, family-owned U.S. manufacturer of aluminum, vinyl, and uPVC windows and doors serving architects, developers, general contractors, and dealers across 40+ states from six North American production facilities, including premium OPUS aluminum lines via a Reynaers partnership.

Ownership category

akta.pro rank

Product category

Window and Door Manufacturing

NAICS

Metal Window and Door Manufacturing (332321), Glass and Glass Product Manufacturing (32721)

SIC

Metal Doors, Sash, Frames, Moldings & Trim (3442), Glass Products, Made Of Purchased Glass (3231)

akta.pro primary industry

Windows (IMADAIAC)

akta.pro secondary industries

Commercial & Industrial Doors (Sectional, High-Speed, Fire, Security) (IMADAIAF), Exterior Doors (IMADAIAA), Access Panels, Hatches & Specialty Openings (IMADAIAJ), Custom Window & Door Fabrication & Replacement (HSAPAJAI)

Keywords

• Aluminum window manufacturing
• Vinyl window fabrication
• Commercial fenestration products
• UPVC window systems
• Window and door manufacturer

Headquarters

HQ city

Flushing

HQ country

United States

HQ region

North America

Offices8 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Personnel, Supply Chain, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. Window and Door Hardware Sales: Crystal generates revenue primarily through the manufacture and sale of aluminum, vinyl, and uPVC windows and doors. Products are sold through a dealer network, direct to general contractors, and to property developers. Orders are made-to-order and priced via quote-based sales. Revenue is derived from product sales across residential replacement, new construction, and commercial multifamily/institutional segments.

Pricing tiers

Go-to-market motion3 records

Distribution channels5 records

Marketing channels6 records

Core offering

Crystal Window & Door Systems is a vertically integrated manufacturer of aluminum, vinyl, and uPVC windows and doors. Products are fabricated in five U.S. plants and one Canadian facility and sold through authorized dealers, direct enterprise sales, and regional showrooms. The portfolio serves residential replacement, new construction, multifamily, commercial, hospitality, and institutional projects.

Product overview

Crystal Window & Door Systems is a manufacturer of windows and doors offering a diverse portfolio of aluminum, vinyl, and UPVC products. The product lineup includes aluminum windows (Series 5600, 2600, 2100, 8500, 8520, 8510, 2000A, 5000, 5100, AC85) and doors; vinyl replacement and new construction windows and doors; Magnus UPVC/Passive windows and doors; and the premium OPUS high-end aluminum line developed with Reynaers. Products range from standard residential replacements to architectural-grade fenestration for high-rise commercial projects, with recent expansion into the luxury segment via the OPUS collection. The company operates E-Z Crystal, a dealer-facing order management platform.

Differentiator

Problem solved

Functional benefit

Brands

• OPUS: High-end aluminum window and door product lines developed in partnership with Reynaers, including SL38, ML8, and MP model lines designed for luxury high-rises, elite institutions, and premium residential properties.
• Crystal Pacific
• Crystal Canada
• MAGNUS Series

Products and services

• OPUS Aluminum Product Lines High-end aluminum windows and doors developed in partnership with European fenestration designer Reynaers. Includes SL38, ML8, and MP model lines featuring narrow sightlines, slim thermal break frames, and designer options. Targeted at luxury high-rises, elite institutions, and premium residences.
• Series W50i Window Wall System Aluminum window wall system that replicates curtain wall aesthetics with easier handling, faster installation, enhanced thermal performance, and greater cost effectiveness. Features floor-to-ceiling glass, slab bypass option, and AW-PG70/AW-PG55 structural ratings with 2-1/2 inch sightlines and 5 inch frame depth.
• Aluminum Windows Complete line of aluminum windows including double-hung, sliders, picture/fixed, projected/casement, and window wall products. Known for structural resilience, lightweight strength, and modern aesthetics suitable for mid- to high-rise projects. Includes series such as 2000A, 2100, 2600, 5600, 8510, 8520, AC85, and 5000.
• Aluminum Doors Aluminum doors offering sleek aesthetics, long-term energy savings, and weather protection. Includes sliding patio doors (Series 1280) and swing terrace doors (Series 1450, 1460) with architectural ratings and ADA-compliant low sill options.
• Vinyl Windows Vinyl windows available in both replacement and new construction lines. Features include energy efficiency, affordability, and durability. Includes single-hung, double-hung, sliders, picture/fixed, and projected/casement options.
• Vinyl Doors Vinyl doors featuring insulating air barrier technology to reduce HVAC strain and boost energy efficiency. Suitable for low-to-mid-rise residential projects with custom finishing options including transoms and sidelights.
• MAGNUS uPVC Windows Commercial-grade unplasticized polyvinyl chloride (uPVC) windows including the MAGNUS Series 4500 in-swing casement and fixed windows. Combines aluminum-like strength with superior thermal efficiency, sound attenuation, AW-PG70 rating, multi-point locks, sash perimeter compression seals, and Roto hardware. Designed to meet Enterprise Green Communities and PHius Passive House criteria.
• MAGNUS uPVC Doors UPVC doors providing exceptional insulation and energy efficiency with low-maintenance benefits. Includes slider, tilt-n-slide, and swing door configurations.
• Vinyl Sliding Patio Door New vinyl sliding patio door product offering energy-efficient operation and durability for residential and light commercial applications.
• E-Z Crystal Dealer Portal Online order placement and customer management system exclusively for Crystal dealers. Provides real-time order status, instant quotes, digital product illustrations, configuration options, and centralized customer management.

Quantifiable outcome

• MAGNUS Series windows contribute to buildings achieving Enterprise Green Communities requirements and PHius Passive House design criteria
• +4 more outcomes

Named customers12 records

Segments6 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Two partnerships are on record, tiered core and minor.

• ReynaerscoreTechnology or Integration · 30 January 2026Crystal partnered with Reynaers, a leading European fenestration system designer and extruder based in Belgium, to develop the high-end OPUS aluminum window and door product lines (SL38, ML8, MP). Reynaers provides the system designs, extrusions, and technical specifications while Crystal serves as an Official US Certified Fabricator for Reynaers, performing all window/door fabrication and insulated glass assembly at its U.S. factories. OPUS products carry a full US warranty from Reynaers and receive on-site and virtual technical support from both Crystal and Reynaers' US technical assistance teams.
• MarketSmithsminorOthersMarketSmiths, a New York-based branding agency, created a new Crystal logo in 2023 and subsequently redesigned the company's corporate website. The redesigned site features reorganized content, new product photography, an expanded project gallery, and multilingual support in Spanish and Chinese, tailored for architects, engineers, contractors, and property owners.

Scale indicators6 records

Recent moves8 records

Expansion highlights6 records

Broad incumbents

• Andersen Windows & Doors: Largest U.S. window and door manufacturer with a broad residential and commercial product portfolio and an extensive national dealer network. Directly comparable to Crystal as a fenestration manufacturer, but with materially greater scale, brand recognition, and product breadth across vinyl, wood, and composite lines.
• JELD-WEN: Publicly traded global manufacturer of windows, doors, and related building products. Directly comparable to Crystal in window and door manufacturing, with overlap in vinyl, aluminum, and wood lines sold through dealer and direct channels for new construction and replacement.
• Marvin Windows and Doors: Premium U.S. window and door manufacturer with aluminum, wood, and clad-wood lines serving residential and commercial markets. Comparable to Crystal in fenestration manufacturing and in serving architects/developers, with stronger positioning in the premium and custom-architectural segment.
• Pella Corporation: Major privately held U.S. window and door manufacturer serving residential and commercial markets with a strong dealer network. Comparable to Crystal across material types (vinyl, wood, fiberglass, aluminum) and in serving both new construction and replacement/remodel channels.

Direct peers

• PGT Innovations: Publicly traded U.S. manufacturer of windows and doors (impact-resistant, vinyl, aluminum) for residential and commercial construction, with strong presence in multifamily and Southeast U.S. markets. Comparable to Crystal in aluminum/vinyl fenestration for multifamily and commercial new construction.
• Loewen Windows and Doors: Privately held North American manufacturer of premium wood, aluminum-clad, and specialty window and door products targeting architects, developers, and high-end residential. Comparable to Crystal in custom architectural manufacturing for commercial and luxury residential projects.
• MI Windows and Doors: Privately held U.S. manufacturer of vinyl and aluminum windows and doors for residential and light commercial new construction and replacement. Closely comparable to Crystal in product mix, materials, customer base (builders, contractors, multifamily developers), and mid-tier positioning in the U.S. market.
• Sierra Pacific Windows: Privately held U.S. window and door manufacturer producing aluminum-clad, vinyl, and custom lines for residential and commercial projects. Comparable to Crystal in custom architectural manufacturing, in targeting multifamily and commercial developers, and in operating regional plant networks.

Others

• Reynaers Aluminium: Belgian designer and extruder of premium aluminum window, door, and curtain wall systems. Directly connected to Crystal as its technology partner for the OPUS product line and as the 'We to Them' party in the Official US Certified Fabricator arrangement — relevant as both a partner and a competitive reference for premium products.

Regional players

• Eastern Architectural Systems: Regional U.S. manufacturer of custom architectural aluminum windows and doors for multifamily, hospitality, and commercial projects in the Southeast. Comparable to Crystal in product line (aluminum storefronts, window wall, terrace doors) and customer base (developers, GCs, architects).

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/DoorCrystal
• YouTubeyoutube.com/channel/UC25ZwkofsDaMGbS807oaXAQ
• Facebookfacebook.com/CWNDS

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Subsidiaries3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Crystal Window & Door Systems