Winco Window
Winco Window is a family-owned, fourth-generation U.S. manufacturer founded in 1915 that designs, engineers, and tests custom architectural aluminum windows and terrace doors in a single St. Louis facility, selling quote-based via architectural sales reps to commercial, historic-preservation, education, government, military, healthcare, and multi-family projects nationwide.
- Company typePrivate
- Founded1915
- HeadquartersSt Louis, United States
- Headcount51–100
- GTM typeB2B
- OfferingHardware or Manufacturing
What Winco Window does
Winco Window is a privately held, family-owned U.S. manufacturer of custom architectural aluminum windows, founded in 1915 and headquartered in a single-site facility at 6200 Maple Avenue, St. Louis, Missouri. The company designs, engineers, and tests its products in-house, and sells them on a quote basis through a nationwide network of architectural sales representatives to architects, contractors, building owners, and developers. Its product portfolio spans more than 20 window and door series covering historic replica, zero sightline, fixed/projected/casement, single/double hung, sliding, terrace door, FEMA tornado/hurricane-rated, blast-resistant, and human-impact-resistant (behavioral-care) configurations, with the 3250 Steel Replica line as a flagship offering that replicates historic steel sightlines at 30-40% lower cost than real steel.
Winco's go-to-market is enterprise B2B field sales, supported by downloadable Revit/BIM files, technical specification PDFs, project case studies, a blog, and a "Find a Rep" lookup tool. Pricing is fully project-specific and quote-based; revenue is generated through one-time product sales to construction and renovation projects across education (K-12 and university), government, military, hospitality, healthcare, industrial, and multi-family residential verticals, with no subscription or recurring component. Notable projects include 48,000+ sq ft of steel-replica windows at Pier 70 (Uber ATG R&D Center, San Francisco), 370,156 sq ft of blast-resistant windows at the Fort Carson Warrior in Transition Barracks (LEED Gold, Army Net Zero), and the 8800 Behavioral Care Window line for psychiatric facilities.
The company is in its fourth generation of family leadership, with Gantt W. Miller III, AIA serving as CEO and Woodrow "Woody" Sutton Miller assuming the presidency in April 2026. Winco holds no disclosed institutional investors, subsidiaries, M&A activity, or external funding; growth has been entirely organic across 110+ years of continuous operation, with 51-100 employees and a U.S.-only footprint spanning 15+ states. The firm's competitive position rests on century-deep fenestration engineering expertise, historic-preservation domain knowledge, custom extrusion capability, and a specification-channel relationship with the architect community rather than on technology platforms or AI-driven differentiation.
Winco Window firmographics
Firmographics- Name
- Winco Window
- Legal name
- Winco Window
- Website
- https://wincowindow.com
- Company type
- Private
- Founded year
- 1915
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- Winco Window is a family-owned, fourth-generation U.S. manufacturer founded in 1915 that designs, engineers, and tests custom architectural aluminum windows and terrace doors in a single St. Louis facility, selling quote-based via architectural sales reps to commercial, historic-preservation, education, government, military, healthcare, and multi-family projects nationwide.
- Ownership category
- akta.pro rank
Winco Window industry classification
Industry- Product category
- Architectural Aluminum Windows
- NAICS
- Metal Window and Door Manufacturing (332321)
- SIC
- Metal Doors, Sash, Frames, Moldings & Trim (3442)
- akta.pro primary industry
- Windows (IMADAIAC)
- akta.pro secondary industries
- Architectural & Building Glazing Systems (Curtain Wall/Storefront/Canopies) (IMADAHAB), Custom Window & Door Fabrication & Replacement (HSAPAJAI)
Keywords
Where Winco Window is headquartered
LocationHeadquarters
- HQ city
- St Louis
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Winco Window 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 Aluminum Windows and Doors: Winco manufactures and sells custom architectural aluminum windows and terrace doors for commercial applications. Products are sold directly to architects, contractors, and building owners for specific projects. Revenue is generated through one-time product sales for construction and renovation projects rather than recurring subscriptions.
- Project Consultation Services: Free project consultation services are offered to architects and building owners to help specify the right window products for their projects. This supports the core product sales by helping customers select appropriate products.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Custom Window Products - Quote-based pricing |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels7 records
Winco Window product offering
Product offeringCore offering
Winco Window manufactures and sells custom architectural aluminum windows and terrace doors for commercial applications in new and historic buildings. The company designs, engineers, fabricates, and tests products in-house at its single-site St. Louis facility, offering product families that span historic steel replica windows, zero sightline vents, fixed/projected/casement series, single/double hung, sliding windows, terrace doors, and specialized safety-rated windows including FEMA tornado/hurricane-resistant, blast-resistant, and behavioral care/psychiatric human-impact-resistant units.
Product overview
Winco Window is a commercial aluminum window manufacturer offering a comprehensive portfolio of custom architectural window and door products. The product line includes multiple series across distinct categories: Historic Replica windows (3250 Steel Replica, 1450/1450S Hung Replica) designed to match original historic profiles while meeting modern codes; Zero Sightline operable vents (3325SF for storefront, 3325CW for curtain wall) providing unobstructed views with natural ventilation; Fixed/Projected/Casement windows (1150, 1150S, 3350, 8325 series) for general commercial applications; Single and Double Hung windows (4410/4410S, 4500/4500S series) with various thickness and historical appearance options; Sliding windows (3410, 3600 series) for high-volume applications; specialty doors (NC-82 Terrace Door) with thermal and hurricane resistance; and specialized safety windows including FEMA tornado/hurricane rated, hurricane-resistant, blast-resistant, and behavioral care/psychiatric windows (8800 series). The company also offers innovative solutions like Transira motorized shading and Blind Sash retrofit windows with integral blinds. Winco's products serve diverse markets including education, government, healthcare, multi-family residential, hospitality, and industrial sectors, with all products engineered and tested in-house at their St. Louis facility since 1915.
Differentiator
Problem solved
Functional benefit
Brands
- Transira: Motorized high-tech shading system integrated into custom-made windows for security, energy savings, and healthier environments.
- 3250 Steel Replica
- 3325SF Zero Sightline
Products and services
- 3250 Steel Replica Window Steel replica window series with heavy aluminum frames (3-1/4 inch deep, 1/8 inch wall thickness) offering the thinnest profiles on the market and 30-40% cost reduction versus real steel windows; meets historic preservation requirements while complying with modern building codes; factory-glazed with optional laminated interlayer and hurricane-rated version available.
- 3325SF Zero Sightline Vent Operable window vent system with near-invisible profile designed for storefront applications, featuring 2 inch deep frame, 1-1/4 inch vent, project-out awning and outswing casement styles with 1 inch glazing pocket insert for nearly floor-to-ceiling views and natural ventilation.
- 3325CW Zero Sightline Vent Operable window vent engineered for curtain wall systems with near-invisible profile preserving clean uninterrupted sightlines while providing natural airflow in storefront and curtain wall applications.
- 1450 Hung Replica Window Hung replica window offering the aesthetic of a double-hung window with the energy performance of fixed, projected, or casement configuration; 4 inch frame depth with 1/8 inch wall thickness for historic replication projects.
- 1450S Hung Replica Window Simulated hung replica with aesthetic of a hung window in fixed, projected, or casement configuration; 4 inch frame depth and extruded beveled glazing leg for clean sightlines; AW Grade AP-AW100 rating.
- 1150 Series Window
Quantifiable outcome
- 48,000+ square feet of windows installed in single project (Pier 70)
- +5 more outcomes
Companies that use Winco Window
Customer profileNamed customers25 records
Segments10 records
Ideal customer profiles3 records
Winco Window technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature7 records
Winco Window partnerships and signals
Strategic signalPartnerships
20 partnerships are on record, tiered core.
- Bonstra | Haresign ArchitectscoreArchitecture firm serving as project architect for Dominion Apartments in Arlington, VA. Worked with Winco to specify 3250 Steel Replica windows for 188-unit multi-family residential building replacing original steel windows.
- HITT ContractingcoreGeneral contractor for Dominion Apartments project, responsible for construction execution of the 188-unit multi-family residential building renovation.
- Caffes-Steele Window and DoorcoreGlazing contractor for Dominion Apartments project, responsible for window installation of Winco 3250 Steel Replica products.
- Orton Development Inc.coreDeveloper for Pier 70 historic renovation project in San Francisco. Orton Development saw opportunity to save fragile historic buildings while creating new jobs and public amenities at one of the largest shipyards west of the Mississippi River.
- Marcy Wong Donn Logan ArchitectscoreArchitecture firm tasked with replicating the look of original over-sized windows at Pier 70. Collaborated with Winco for six months to ensure every detail was perfect for historic window replication.
- Maz GlasscoreOakland-based glazing contractor that rebuilt window openings, performed concrete repair work, and installed 48,000+ square feet of Winco 3250 Steel Replica windows at Pier 70.
- Albert ArchitecturecoreArchitecture firm for Farnsworth Apartments renovation in New Orleans. Designed window and door specifications with Winco to preserve 1932 modernist building aesthetics while meeting hurricane requirements.
- Star Glass InccoreGlazing contractor that installed Winco 3250 Steel Replica windows and NC-82 Terrace Doors at Farnsworth Apartments in New Orleans.
- Bello Garris ArchitectscoreDesign architect for The Loutrel Hotel in Charleston, SC. Responsible for achieving Board of Architecture approval for historic Steel Replica window and door products.
- BBGM ArchitectscoreArchitect of record for The Loutrel Hotel, working with Winco to specify historic replica windows and hurricane-resistant terrace doors.
- GlasscorpcoreGlazing contractor for The Loutrel Hotel in Charleston. Managed complex project from start to finish with Winco providing customer service and top-tier window products.
- CannonDesigncoreArchitecture firm that designed Strawberry Hill Behavioral Health Hospital in Kansas City, KS. Selected Winco 8800 Retrofit windows with 1/2 inch polycarbonate security glass and built-in blinds for patient safety.
- US Army Corps of EngineerscoreFederal agency responsible for Fort Carson Warrior in Transition Barracks project. Winco 3410 sliding windows with blast-resistant laminated glass installed throughout 370,156 sq. ft. complex.
- M.A. Mortenson CompanycoreGeneral contractor for Fort Carson project, one of the largest Army barracks projects, achieving LEED Gold certification.
- Burgdahl & Graves, AIA ArchitectscoreArchitecture firm for Gretna City Hall renovation, ensuring new hurricane-resistant windows replicated originals down to sculpted trim to satisfy historic review boards.
- DeGeorge Glass Company Inc.coreGlazing contractor that installed Winco 4410S Series single-hung hurricane-resistant windows at historic Gretna City Hall.
- Jefferson Apartment GroupcoreDeveloper for J Linea luxury apartments in Washington, D.C. featuring 3325SF Zero Sightline windows for 132-unit building with historic renovation elements.
- Hickok Cole ArchitectscoreArchitecture firm for J Linea project, creatively integrating Winco 3325SF Zero Sightline windows with historic facade renovation.
- CBG Building CompanycoreGeneral contractor for J Linea construction project in Washington D.C.
- Merit Commercial WindowscoreGlazing contractor for J Linea project, installing Winco zero sightline window systems.
Scale indicators18 records
Recent moves5 records
Expansion highlights5 records
Winco Window competitors and assessment
Company assessmentMarket position
Competitive moat5 records
Key risks6 records
Key highlights6 records
Customer concentration
Winco Window social profiles
Digital presenceWinco Window financial estimates
Financial estimateRevenue estimate
Valuation estimate
Winco Window leadership team
Management profileNumber of profiles
Profiles3 records
Winco Window funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Winco Window 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 Winco Window
What does Winco Window do?
Winco Window manufactures and sells custom architectural aluminum windows and terrace doors for commercial applications in new and historic buildings. The company designs, engineers, fabricates, and tests products in-house at its single-site St. Louis facility, offering product families that span historic steel replica windows, zero sightline vents, fixed/projected/casement series, single/double hung, sliding windows, terrace doors, and specialized safety-rated windows including FEMA tornado/hurricane-resistant, blast-resistant, and behavioral care/psychiatric human-impact-resistant units.
Is Winco Window a public or private company?
Winco Window is a private company. It is classified as family owned and is currently operating.
When was Winco Window founded?
Winco Window was founded in 1915. It employs 51 to 100 people.
Where is Winco Window based?
Winco Window is headquartered in St Louis, United States, in the North America region.
How does Winco Window make money?
Two revenue lines are on record. Custom Aluminum Windows and Doors are the primary driver. The others are project Consultation Services.
Does Winco Window have an API?
No public API is recorded for Winco Window.
What industry is Winco Window in?
Winco Window's product category is Architectural Aluminum Windows. 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.