Skyline Windows
Skyline Windows is a fourth-generation, family-owned custom aluminum window and door manufacturer serving New York City's premium real estate market, specializing in landmark preservation, luxury residential, and new construction projects across NYC and select national markets.
- Company typePrivate
- Founded1921
- HeadquartersBronx, United States
- Headcount251–500
- GTM typeB2B
- OfferingHardware or Manufacturing
What Skyline Windows does
Skyline Windows is a fourth-generation, family-owned custom aluminum window and door manufacturer founded in 1921, headquartered in the Bronx, New York, with manufacturing operations in Wood-Ridge, New Jersey spanning over 100,000 square feet across two facilities. The company designs, manufactures, and installs architectural windows, window wall systems, and terrace doors for the premium New York City construction market, including landmark preservation, gut rehabilitation, new construction, and individual residences. Its product portfolio centers on the Series 500 casement/tilt-and-turn line and Series 100 double-hung line, complemented by terrace doors (Series 1700), lift-and-slide doors (Series 2000), and custom hardware engineered for historic renovation projects, including structurally glazed variants capable of supporting heavier glass loads required in landmark applications.
The company serves enterprise customers including developers, architects, property managers, and contractors through direct field sales, with a project-based revenue model built around custom-engineered contracts rather than volume pricing. Notable customers include Rockefeller Center, The Chrysler Building, The Hearst Building, One Wall Street, The Pierre Hotel, Walker Tower, and 10 Sullivan Street, alongside major residential developments from sponsors such as RELATED Companies, Madison Equities, and Property Markets Group. Its work with the NYC Landmarks Preservation Commission since the 1980s has established it as a de facto standard-setter for window restoration in landmark buildings.
The company employs over 350 people across sales, engineering, service, and manufacturing functions, with a dedicated service department for repairs on existing installations. Pricing is quote-based with no public disclosure, and revenue is generated through one-time project contracts plus ongoing service revenue. Geographic focus is primarily New York and New Jersey with selected national projects. The firm maintains no external investors, operates as a private multi-generational family enterprise, and has no app, API, or digital product layer.
Skyline Windows firmographics
Firmographics- Name
- Skyline Windows
- Legal name
- Skyline Windows
- Website
- https://skylinewindows.com
- Company type
- Private
- Founded year
- 1921
- Operating status
- Operating
- Headcount range
- 251–500 employees
- Short description
- Skyline Windows is a fourth-generation, family-owned custom aluminum window and door manufacturer serving New York City's premium real estate market, specializing in landmark preservation, luxury residential, and new construction projects across NYC and select national markets.
- Ownership category
- akta.pro rank
Skyline Windows industry classification
Industry- Product category
- Architectural Windows and Doors
- NAICS
- Metal Window and Door Manufacturing (332321), Ornamental and Architectural Metal Products Manufacturing (33232)
- SIC
- Metal Doors, Sash, Frames, Moldings & Trim (3442), Fabricated Structural Metal Products (3440)
- akta.pro primary industry
- Windows (IMADAIAC)
- akta.pro secondary industries
- Custom Window & Door Fabrication & Replacement (HSAPAJAI), Window Replacement (Residential) (HSAPAJAA)
Keywords
Where Skyline Windows is headquartered
LocationHeadquarters
- HQ city
- Bronx
- HQ country
- United States
- HQ region
- North America
Offices2 records
Markets served
Skyline Windows business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Supply Chain, Operations, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Custom Window & Door Manufacturing: Design, manufacture, and installation of custom architectural windows, window wall systems, and terrace doors. Revenue is generated through project-based contracts for new construction, historic renovation, gut rehab, and individual residences.
- Installation Services: Full-service installation including coordination with building management, logistics planning, and floor-by-floor installation in occupied buildings
- Repair & Service: Service department handles repair inquiries and maintenance for existing installations
Go-to-market motion1 record
Distribution channels1 record
Marketing channels5 records
Skyline Windows product offering
Product offeringCore offering
Skyline Windows designs, manufactures, and installs custom architectural aluminum windows, window wall systems, and terrace doors for commercial, residential, and landmark preservation projects. The company specializes in historic replacement windows that meet NYC Landmarks Preservation Commission standards, alongside new construction and gut rehab fenestration solutions. It also provides professional installation coordination and a service department for repair and maintenance of existing installations.
Product overview
Skyline Windows is a custom aluminum window and door manufacturer offering a comprehensive portfolio of fenestration products designed, manufactured, and installed for commercial and residential projects. The product line centers on two main window series (Series 500 and Series 100 families) complemented by multiple door systems (Series 1700 terrace doors and Series 2000 lift & slide doors). Products are available in various configurations including casement, tilt & turn, double hung, and window wall systems. The company specializes in historic renovation and landmark replacement projects, offering custom hardware and engineered solutions to meet preservation standards while delivering modern thermal and acoustic performance.
Differentiator
Problem solved
Functional benefit
Products and services
- Series 500 Casement and Tilt & Turn Windows
Quantifiable outcome
- Ease of operation and improved thermal and acoustical performance achieved in Rockefeller Apartments renovation
- +1 more outcomes
Companies that use Skyline Windows
Customer profileNamed customers16 records
Segments4 records
Ideal customer profiles3 records
Skyline Windows technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
Skyline Windows partnerships and signals
Strategic signalPartnerships
Ten partnerships are on record, tiered core and minor.
- Fogarty Finger ArchitecturecoreArchitecture firm that collaborated with Skyline Windows on the 554 Eighth Avenue project, selecting window and terrace door products that merged functionality with the project's new design aesthetics.
- SLCE ArchitectscoreArchitect for the 450 Washington project, working with Skyline to select fenestration products that would meet performance requirements and design goals.
- Roger Ferris + PartnerscoreDesign architect for the 450 Washington project, responsible for the architectural vision that influenced window specifications.
- SOCOTECminorFacade consultant for the 450 Washington project, providing expertise on building envelope performance.
- Sarah Gordon Drake Architect, LLCcoreDesign architect for the Rockefeller Apartments renovation, working with Skyline to design replacement windows that preserved classic architectural features.
- LAWLESS + MANGIONE ARCHITECTS & ENGINEERSminorFacade consultant for the Rockefeller Apartments project.
- Liebhaber CompanycoreGeneral contractor for the Rockefeller Apartments renovation, coordinating with Skyline on the multi-trade project.
- Cary Tamarkin ArchitectcoreArchitect for 10 Sullivan Street project, a 16-story luxury condominium in SoHo.
- PBDW ArchitectscoreProject architect for the Knox Building landmark window replacement, resubmitted to Landmarks for approval when original pivot window solution failed.
- Nicholson & GallowayminorRestoration contractor for the Knox Building project that approached Skyline when original supplier failed to deliver on weight requirements.
Scale indicators5 records
Recent moves6 records
Expansion highlights4 records
Skyline Windows competitors and assessment
Company assessmentDirect peers
- Hope's Windows: Long-standing custom manufacturer of steel and aluminum windows and doors, particularly known for historic and landmark projects. Closely comparable to Skyline in product customization, landmark specialization, and project-based commercial/residential work.
- Wausau Window and Wall Systems: Commercial aluminum window, window wall, and curtain wall manufacturer serving commercial and institutional buildings. Comparable to Skyline's commercial facade product line and project-based custom fabrication model.
- EFCO Corporation: Manufacturer of architectural aluminum windows, curtain walls, and storefront systems for commercial construction. Directly comparable to Skyline in aluminum fenestration manufacturing for new construction and renovation projects.
- Graham Architectural Products: Custom aluminum window and door manufacturer focused on commercial, educational, and high-end residential projects. Comparable custom fabrication capabilities and project-based GTM to Skyline's commercial operations.
Emerging players
- Vitrocsa: Premium minimalist window and sliding wall systems for ultra-luxury residential and commercial projects. Comparable to Skyline's high-end custom work on luxury condominium developments (e.g., 10 Sullivan, 450 Washington) but focused on minimal-frame European aesthetic.
Broad incumbents
- Kawneer (an Arconic business): Large-scale North American manufacturer of architectural aluminum systems including windows, curtain walls, and storefronts. Overlaps with Skyline's commercial fenestration portfolio but at much larger scale and with broader product breadth.
- Oldcastle BuildingEnvelope: One of the largest North American suppliers of architectural glazing systems including windows, curtain walls, and storefronts. Broad incumbent with overlapping capabilities to Skyline's commercial facade work, but at commodity scale rather than bespoke.
- Schüco: German global manufacturer of window, door, and facade systems, including high-end aluminum tilt-turn products. Comparable to Skyline's European-hardware-integrated tilt & turn offerings (Series 1200) but at much larger global scale.
- Marvin Windows and Doors: Major U.S. manufacturer of made-to-order wood, clad, and aluminum windows for residential and light commercial projects. Comparable to Skyline's individual residences segment with a custom manufacturing approach, though at broader scale and national distribution.
- Pella Corporation: One of the largest U.S. window and door manufacturers serving new construction and replacement markets nationally. Adjacent incumbent to Skyline in residential windows, though primarily mass-market rather than custom architectural.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
Skyline Windows social profiles
Digital presenceSkyline Windows financial estimates
Financial estimateRevenue estimate
Valuation estimate
Skyline Windows leadership team
Management profileNumber of profiles
Profiles3 records
Skyline Windows funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Skyline Windows M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Skyline Windows
What does Skyline Windows do?
Skyline Windows designs, manufactures, and installs custom architectural aluminum windows, window wall systems, and terrace doors for commercial, residential, and landmark preservation projects. The company specializes in historic replacement windows that meet NYC Landmarks Preservation Commission standards, alongside new construction and gut rehab fenestration solutions. It also provides professional installation coordination and a service department for repair and maintenance of existing installations.
Is Skyline Windows a public or private company?
Skyline Windows is a private company. It is classified as family owned and is currently operating.
When was Skyline Windows founded?
Skyline Windows was founded in 1921. It employs 251 to 500 people.
Where is Skyline Windows based?
Skyline Windows is headquartered in Bronx, United States, in the North America region.
How does Skyline Windows make money?
Three revenue lines are on record. Custom Window & Door Manufacturing is the primary driver. The others are installation Services and repair & Service.
Who are Skyline Windows's main competitors?
Direct peers on record are Hope's Windows, Wausau Window and Wall Systems, EFCO Corporation and Graham Architectural Products. Vitrocsa is listed as an emerging player. Broad incumbents are Kawneer (an Arconic business), Oldcastle BuildingEnvelope, Schüco, Marvin Windows and Doors and Pella Corporation.
Does Skyline Windows have an API?
No public API is recorded for Skyline Windows.
What industry is Skyline Windows in?
Skyline Windows's product category is Architectural Windows and Doors. Its primary akta.pro industry code is IMADAIAC, Windows, with a secondary code of HSAPAJAI, Custom Window & Door Fabrication & Replacement. Its NAICS code is 332321 and its SIC code is 3442.