National Door Industries Inc.

What National Door Industries Inc. does

National Door Industries, Inc. (NDI) is a privately held US-based manufacturer and distributor of door hardware components, operating from a single location indicated by the 817 (Fort Worth, Texas) area code. The company serves trade customers in door installation, garage door service, and commercial door systems, positioning itself as a single-source supplier across 19 product categories including fasteners, weatherseals, commercial molded frames, springs, gate operators, lubricants, controls, hardware, tools, electrical components, injection molded parts, design trim, carriage hardware, window frames, and angle iron. Its private-label lubricant program and the 'Bevelite' brand add modest channel and brand differentiation within an otherwise commodity category.

The company's core technology is a B2B e-commerce portal (natdoor.com) backed by an authenticated customer account system. Onboarding requires execution of an Electronic Commerce Agreement, after which customers can place online orders, build wishlists, view past orders and invoices, access company-specific pricing, and use a bulk order pad for SKU-based high-volume ordering. All pricing is hidden behind login, with items defaulting to $0.00 for unauthenticated visitors. The 2024 NDI product catalog is published as a downloadable PDF, and product data is structured across discrete category landing pages with deep SKU counts (e.g., 167 items in the fasteners category alone).

NDI's business model is sales-led B2B distribution: revenue is generated through one-time sales of door hardware components in bulk, marketed through the corporate e-commerce storefront and supported by a phone-based customer service line. The company does not disclose revenue, headcount, funding, ownership, or management information; there is no evidence of public listing, venture or private-equity backing, M&A activity, partnerships, or leadership changes. Distribution is domestic (United States) only, with no stated global footprint or geographic expansion signals.

Name

National Door Industries Inc.

Legal name

National Door Industries, Inc.

Website

https://natdoor.com

Company type

Private

Founded year

1968

Operating status

Operating

Headcount range

11–50 employees

Short description

National Door Industries, Inc. is a privately held US-based B2B manufacturer and distributor of door hardware components (fasteners, weatherseals, springs, frames, lubricants, operators) serving door manufacturers, distributors, and garage/commercial door trade customers through an authenticated e-commerce portal.

Ownership category

akta.pro rank

Product category

Door Hardware Components

NAICS

Metal Window and Door Manufacturing (332321), Hardware Retailers (44414), Other Building Material Dealers (44418)

SIC

Cutlery, Handtools & General Hardware (3420), Retail-Lumber & Other Building Materials Dealers (5211), Metal Doors, Sash, Frames, Moldings & Trim (3442)

akta.pro primary industry

Architectural Hardware & Door Controls (Hinges, Locks, Closers, Panic Devices) (IMADAIAI)

akta.pro secondary industries

Fasteners, Adhesives & Sealants Retail (Nails, Screws, Glues, Caulks) (CRAIAEAK), Commercial & Industrial Doors (Sectional, High-Speed, Fire, Security) (IMADAIAF), Doors, Windows & Millwork Hardware Retail (Locks, Hinges, Handles) (CRAIADAJ), Door & Door Frame Repair (Interior/Exterior, Jambs, Thresholds) (HSAGABAC)

Keywords

• Door hardware components
• Garage door parts
• Commercial door frames
• Gate operators
• Door fasteners

Headquarters

HQ city

Fort Worth

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D

Revenue model

1. Door Hardware and Component Sales: Sale of door hardware components including fasteners, weatherseals, commercial molded frames, springs, gate operators, lubricants, and related installation hardware. Products sold in bulk quantities with SKU-based ordering.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

National Door Industries Inc. manufactures and distributes a comprehensive catalog of door hardware and components sold primarily to trade professionals and B2B customers. The product portfolio spans 19 categories including structural components, electronic systems, mechanical parts, fasteners, tools, electrical components, injection molded parts, sealing solutions, commercial window frames, and lubricants with private-label capability. Sales are conducted through a B2B e-commerce portal requiring an Electronic Commerce Agreement and authenticated login for pricing access.

Product overview

National Door Industries Inc. is a manufacturer and distributor of door hardware and components. The company offers a comprehensive product portfolio organized into categories including structural components (Angle Iron), electronic systems (Controls, Gate Operators), mechanical parts (Springs), hardware items (Bevelite, Design Trim, Hardware, Carriage Hardware, Fasteners), tools, electrical components, injection molded parts, sealing solutions (Weatherseal), commercial window frames, lubricants, and window frames. The 2024 catalog is available as a downloadable PDF. Products are sold primarily to trade professionals and require account login for pricing access.

Differentiator

Problem solved

Functional benefit

Brands

• NDI: Abbreviated brand used in product codes and catalog references (e.g., 'NDI Catalog')

Products and services

• Angle Iron Structural metal components used in door and gate framing applications.
• Controls Electronic control systems for operating garage doors and gates.
• Gate Operators Automated systems for operating swing and slide gates.
• Springs Torsion and extension springs for garage door operation.
• Bevelite Brand of door hardware and components.
• Design Trim Decorative trim components for doors.
• Hardware General hardware components for door installation and repair.
• Tools Equipment and tools for door installation and maintenance.
• Carriage Hardware Specialized hardware for carriage-style doors.
• Electrical Electrical components for door and gate systems.
• Injection Molded Parts Precision-molded plastic components for doors and hardware.
• Weatherseal Sealing products including foam tapes, vinyl moulds, and retainers for weatherproofing doors.
• Commercial Molded Frames Molded window and door frames for commercial applications, including CMF-2406 series commercial window frames.
• Fasteners Wedge anchors, sleeve anchors, and other fastening hardware for door and construction applications. 167 SKUs available in the catalog.
• Lubricants Garage door lubricants including heavy-duty lubes, food-grade lubes, silicone sprays, and glass cleaners.
• Window Frames Frames designed for window installations in doors.
• Fasteners-Components Additional fastener and component products.
• Lubricants - Private Label Private label lubricant products available for distribution.

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators1 record

Recent moves3 records

Expansion highlights3 records

Direct peers

• LiftMaster (Chamberlain Group): Leading manufacturer of garage door operators and gate access systems. Directly comparable to NDI's Controls, Gate Operators, and electronic operator product lines serving installer and dealer customers.
• The Genie Company: Manufacturer of garage door openers, springs, and related accessories. Overlaps directly with NDI's controls, springs, and operator categories serving the same garage-door installer channel.
• Midwest Wholesale Hardware: B2B distributor of door and builders hardware to dealers and contractors. Closely comparable business model to NDI — multi-category door hardware distributor selling via accounts and bulk ordering to trade buyers.
• Overhead Door Corporation: Major U.S. manufacturer of commercial and industrial doors, garage doors, and operators. Directly comparable to NDI because both supply door systems, frames, springs, and operator components to trade and commercial buyers.
• Hager Companies: U.S. manufacturer of architectural door hardware including hinges, locks, and door controls. Directly comparable to NDI's hardware, fasteners, and architectural components sold through distribution to door manufacturers and installers.

Broad incumbents

• Wayne Dalton: Manufacturer of residential and commercial doors, including sectional and rolling steel doors. Comparable to NDI's commercial molded frames, weatherseals, and operator components supplied into the same installer channel.
• ASSA ABLOY: Global leader in door opening solutions, including architectural hardware and access control. Comparable as a broad incumbent whose product categories overlap with NDI's hardware, fasteners, and weatherseal offerings for B2B customers.
• Allegion plc: Global provider of door security and access control products. Comparable to NDI because Allegion's portfolio of architectural hardware, locks, and electronic controls overlaps with NDI's hardware, controls, and gate operator lines, though at much broader scale.
• Clopay Corporation: Large residential and commercial garage door manufacturer. Adjacent to NDI because Clopay sells doors that consume the springs, fasteners, weatherseals, and hardware that NDI distributes to OEMs and dealers.

Regional players

• Hörmann Group: European-headquartered manufacturer of doors, operators, and hardware. Comparable to NDI in product breadth (frames, operators, seals, hardware), though operating primarily in Europe and not directly competing in NDI's U.S. territory.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/national-door-industries-inc

Revenue estimate

Valuation estimate

Number of profiles

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 National Door Industries Inc.