Universal Window and Door
Universal Window, founded 1968 in Marlborough, MA, is a privately held custom aluminum window manufacturer serving historic restoration, adaptive reuse, and commercial construction projects across the US Eastern Coast through dealers and direct architect collaboration.
- Company typePrivate
- Founded1968
- HeadquartersMarlborough, United States
- Headcount101–250
- GTM typeB2B
- OfferingHardware or Manufacturing
What Universal Window and Door does
Universal Window (formerly Universal Window and Door), founded in 1968 and headquartered in Marlborough, Massachusetts, is a privately held manufacturer of custom-engineered aluminum window systems for historic commercial restoration, adaptive reuse, and new construction projects. Its product portfolio spans eight window series (400, 550, 600, 700, 800, 900, 1060, and 1199 arch) plus the patented TrueWARM warm-edge spacer technology and factory-attached panning systems. Production is fully in-house at a single Marlborough facility that combines precision CNC machining (tolerances to 1/1000 inch) with in-house glass cutting, insulated glass unit assembly, custom extrusion, and an AAMA-spec paint booth, supported by roughly 75 employees with a combined 530 years of service. The company does not install; it sells exclusively through a dealer network of glazing contractors and collaborates directly with architects and preservation consultants on design intent.
The business operates a project-based, quote-driven revenue model with no minimum order requirements and no public pricing. Customers are predominantly enterprise real-estate developers and institutional owners undertaking historic tax credit projects — including WinnCompanies, Brady Sullivan Properties, Lupoli Companies, Pennrose, Beacon Communities, The Alexander Company, and Time Equities — with named projects ranging from the 4 million square foot Riverwalk mill complex (over 10,000 windows) to single-building affordable senior housing. Universal Window's go-to-market emphasizes direct architect collaboration, NPS- and state-level preservation commission approvals, and an award track record of 50+ preservation awards in the past decade, including Paul & Niki Tsongas Awards and a Glass Magazine Crystal Achievement Award.
In September 2025, Jeff Reilly was appointed CEO to lead growth and operational modernization, and in March 2026 the company rebranded from Universal Window and Door to Universal Window, paired with a third CNC machine investment, a new four-person project management team, expanded sales and customer support functions, and a redesigned website with forthcoming technical resources. The company remains privately held with no external institutional investment.
Universal Window and Door firmographics
Firmographics- Name
- Universal Window and Door
- Legal name
- Universal Window LLC
- Website
- https://universalwindow.com
- Company type
- Private
- Founded year
- 1968
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- Universal Window, founded 1968 in Marlborough, MA, is a privately held custom aluminum window manufacturer serving historic restoration, adaptive reuse, and commercial construction projects across the US Eastern Coast through dealers and direct architect collaboration.
- Ownership category
- akta.pro rank
Universal Window and Door industry classification
Industry- Product category
- Commercial Window Manufacturing
- NAICS
- Metal Window and Door Manufacturing (332321), Flat Glass Manufacturing (327211)
- 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
- Architectural & Building Glazing Systems (Curtain Wall/Storefront/Canopies) (IMADAHAB), Weatherstripping, Thresholds & Door/Window Seals (IMADAIAL)
Keywords
Where Universal Window and Door is headquartered
LocationHeadquarters
- HQ city
- Marlborough
- HQ country
- United States
- HQ region
- North America
Offices2 records
Markets served
Universal Window and Door business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Personnel, Operations, Technology or R&D, Marketing or Sales
Revenue model
- Custom Aluminum Window Manufacturing: Manufactures custom-built-to-order aluminum windows exclusively for commercial projects including historic restoration, adaptive reuse, and new construction. Revenue is generated through one-time product sales for specific projects, working through dealers and glazing contractors who facilitate installation.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Custom Project-Based Pricing |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels6 records
Universal Window and Door product offering
Product offeringCore offering
Universal Window and Door is a custom manufacturer of precision-engineered aluminum windows built exclusively for commercial restoration, adaptive reuse, and new construction projects. The company produces window systems in its Marlborough, Massachusetts facility using CNC machinery and in-house glass cutting, with each window designed and fabricated to order to match historic sightlines, profiles, and performance requirements. All products feature TrueWARM patented warm-edge technology and are approved by the National Park Service for historic preservation projects.
Product overview
Universal Window and Door is a manufacturer of precision-engineered custom aluminum windows for historic restoration and commercial construction projects. The company offers a portfolio of window series (400, 550, 600, 700, 800, 900, 1060, and 1199) that are built-to-order for each project. The 400 Series provides double hung and fixed options for historic replication; the 700 Series is a patented historic steel replica window with narrow sightlines and triple-glaze capacity; the 1060 Series is their newest high-performance triple-pane offering for energy-efficient projects. All products feature TrueWARM warm-edge technology and are approved by the National Park Service. The company also offers complementary panning systems and security screens. Every window is custom-designed and manufactured in their Marlborough, MA facility.
Differentiator
Problem solved
Functional benefit
Products and services
- 400 Series Double hung and fixed window series designed for historic replication, featuring narrow sightlines to match original historic windows. Includes options for fixed transoms and is approved by the National Park Service.
- 550 Series Double hung window series used for historic replication projects. Includes energy-efficient historic windows with insulated glass and thermal breaks.
- 600 Series Projected and casement window series offering clear and bronze anodized finishes in addition to standard painted finishes.
- 700 Series Historic Steel Replica Aluminum historic steel replica window that maintains the appearance of existing steel window openings. Features narrow sightline, heavy commercial performance, and meets stringent Federal National Park Service, state and local historic requirements. Thermally broken frame with 1 1/8-inch triple glaze capacity.
- 800 Double Hung Series Double hung window series used for historic replication, providing historically accurate replacement windows.
- 900 Slider Series Horizontal sliding window series designed to improve energy efficiency for commercial and residential applications.
- 1060 Series High-performance, triple-pane historic replica window designed to meet energy efficiency objectives while satisfying historic preservation requirements. Rated up to 60 PSF for double hung and fixed systems.
- 1199 Arch Series Arch series window designed to replicate original Gothic Revival and historic arch window designs.
- TrueWARM Warm-Edge Technology Patented warm-edge technology that assures unprecedented energy savings through use of low transmission materials at the critical edge seal area of multi-layer glass. Backed by a 15-year warranty.
Quantifiable outcome
- 46% less energy usage and 33% fewer greenhouse gas emissions vs typical gas-fired multifamily structure
- +2 more outcomes
Companies that use Universal Window and Door
Customer profileNamed customers9 records
Segments4 records
Ideal customer profiles3 records
Universal Window and Door technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
Universal Window and Door partnerships and signals
Strategic signalPartnerships
13 partnerships are on record, tiered core and minor.
- WinnCompaniescoreLong-term partnership with WinnDevelopment (division of WinnCompanies) on award-winning historic mill conversion projects including Stone Mill Lofts, Yarn Works, The Tyler, and multiple other projects. Universal supplies custom historic replica windows that meet strict NPS requirements for historic tax credit projects. The partnership has produced multiple Preservation Massachusetts award winners including Paul & Niki Tsongas Award recipients.
- Brady Sullivan PropertiescorePartnership spanning more than two dozen historic mill renovation projects including Lofts at 25 Canal (150 units), Junction Shop Lofts (173 luxury apartments), American Wire Residential Lofts, and The Lofts at Lancaster Mill. Projects consistently earn Preservation Massachusetts awards.
- PennrosecorePartnership on LGBTQ-affirming senior housing (The Pryde, 74 units) and other affordable housing projects. Universal provided over 250 historic replica windows matching original designs to satisfy NPS requirements for historic tax credits.
- Beacon CommunitiescorePartnership on multiple affordable housing projects including Ames Shovel Works (113 apartments), Wilber School (79 affordable apartments), and Beverly Village for Living & the Arts (85 units with Live/Work studios). All projects achieved LEED certification and historic tax credit compliance.
- Keith ConstructioncoreLong-time construction partner on historic renovation projects including Fitchburg Arts Community, Beverly Village, Ludlow Mills, and multiple award-winning projects. Keith Construction serves as construction manager for projects requiring precise historic window installation.
- The Architectural Team (TAT)coreArchitecture firm partner with longstanding relationship on historic mill conversions. Projects include Stone Mill Lofts, Yarn Works, Loft Five50, Junction Shop Lofts, Ludlow Mills, and many award-winning Preservation Massachusetts projects.
- The Alexander CompanycorePartnership on Dan River Falls transformation of 550,000 SF former White Mill in Danville, VA into 190 apartments and 147,000 SF commercial space. Universal provided 550 large arched custom aluminum windows from 700 Series meeting strict historic preservation commission standards.
- Starr DevelopmentminorPartnership on Pocasset Mills (92 luxury apartments) and Junction Shop Lofts (173 luxury apartments). Projects won Rhody Award for Historic Preservation and Paul & Niki Tsongas Award.
- NEI General ContractingcoreConstruction partner on The Pryde (LGBTQ-affirming senior housing), Mary D. Stone Apartments, and other historic renovation projects. NEI handles installation coordination for Universal window products on complex historic projects.
- ArrowstreetminorArchitecture firm on Boston Volvo Village project - historic Beaux Arts building restoration featuring arched triple-hung windows and custom panning profiles matched from original blueprints.
- Lupoli CompaniescorePartnership on Riverwalk - decade-long transformation of 4 million square foot mill complex into mixed-use Live, Work, Play development. Universal supplied over 10,000 windows across multiple phases. Project received Mayor Thomas M. Menino Legacy Award.
- Goldsmith Borgal & Company Ltd.minorArchitecture firm on Light Factory (Toronto) and 42 Mowat Avenue projects - historic Edwardian Classicism building transformations preserving original multi-pane window styles.
- StantecminorEngineering, architecture, and environmental consulting firm on Dan River Falls project. Designed transformation of former textile mill into mixed-use development.
Scale indicators6 records
Recent moves7 records
Expansion highlights6 records
Universal Window and Door competitors and assessment
Company assessmentDirect peers
- Hope's Windows: Hope's Windows is the closest direct competitor, manufacturing solid hot-rolled steel and steel-replica windows for historic restoration, landmark buildings, and institutional projects. Overlapping product (historic steel/aluminum windows), customer base (preservation architects, developers), and specialty focus make it the most directly comparable peer.
- Wausau Window and Wall Systems: Wausau specializes in commercial aluminum windows, curtain walls, and historic replication windows engineered for institutional and historic projects. Directly comparable in custom aluminum fabrication and commercial/historic project focus.
- Arcadia Inc. Arcadia manufactures custom architectural aluminum windows, storefronts, and curtain wall systems including historic replication products. Comparable in custom aluminum fabrication serving commercial and institutional projects with strong preservation segment overlap.
Broad incumbents
- Kawneer Company (Arconic): Kawneer is a large national aluminum architectural products manufacturer offering windows, storefronts, and curtain walls including historic-compatible options. As a broad incumbent with wider product portfolio, it competes on some historic bids but lacks Universal's single-focus specialization on custom replication.
- Marvin Windows and Doors: Marvin is a major national manufacturer of custom wood, composite, and aluminum-clad windows serving residential and light commercial markets. While not focused exclusively on historic commercial, Marvin competes in custom architectural segments and benefits from overlapping architect relationships.
- Pella Corporation: Pella is one of the largest US window and door manufacturers with broad residential and commercial product lines. As a broad incumbent with catalog-driven scale, Pella occasionally enters historic segments but does not specialize in custom commercial replication.
- Andersen Corporation: Andersen is the largest US window and door manufacturer with broad residential, commercial, and specialty lines. A broad incumbent with deep architect relationships and acquisition history; competes in custom architectural segments but lacks Universal's focus.
Regional players
- Crittall Windows: Crittall is the historic steel window specialist serving primarily UK and European heritage markets with steel and steel-replica windows. Comparable in historic window specialization and craftsmanship but operates in a different geography with limited direct US competition.
Emerging players
- Steel Windows and Doors USA: Smaller specialty manufacturer focused on steel and steel-replica windows for historic and high-end residential projects. Comparable in product niche (historic replication) and target market (preservation-conscious architects/owners) but smaller scale and narrower distribution than Universal.
- Quaker Windows & Doors: Quaker manufactures custom aluminum and vinyl windows for commercial, residential, and historic renovation applications. Comparable in custom aluminum fabrication with overlap in commercial/historic segments, though it serves broader markets including new construction.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Universal Window and Door social profiles
Digital presenceUniversal Window and Door financial estimates
Financial estimateRevenue estimate
Valuation estimate
Universal Window and Door leadership team
Management profileNumber of profiles
Profiles1 record
Universal Window and Door funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Universal Window and Door 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 Universal Window and Door
What does Universal Window and Door do?
Universal Window and Door is a custom manufacturer of precision-engineered aluminum windows built exclusively for commercial restoration, adaptive reuse, and new construction projects. The company produces window systems in its Marlborough, Massachusetts facility using CNC machinery and in-house glass cutting, with each window designed and fabricated to order to match historic sightlines, profiles, and performance requirements. All products feature TrueWARM patented warm-edge technology and are approved by the National Park Service for historic preservation projects.
Is Universal Window and Door a public or private company?
Universal Window and Door is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Universal Window and Door founded?
Universal Window and Door was founded in 1968. It employs 101 to 250 people.
Where is Universal Window and Door based?
Universal Window and Door is headquartered in Marlborough, United States, in the North America region.
How does Universal Window and Door make money?
One revenue line is on record: custom Aluminum Window Manufacturing.
Who are Universal Window and Door's main competitors?
Direct peers on record are Hope's Windows, Wausau Window and Wall Systems and Arcadia Inc.. Broad incumbents are Kawneer Company (Arconic), Marvin Windows and Doors, Pella Corporation and Andersen Corporation. Crittall Windows is listed as a regional player. Emerging players are Steel Windows and Doors USA and Quaker Windows & Doors.
Does Universal Window and Door have an API?
No public API is recorded for Universal Window and Door.
What industry is Universal Window and Door in?
Universal Window and Door's product category is Commercial Window Manufacturing. Its primary akta.pro industry code is IMADAIAC, Windows, with a secondary code of IMADAHAB, Architectural & Building Glazing Systems (Curtain Wall/Storefront/Canopies). Its NAICS code is 332321 and its SIC code is 3442.