North American Door Corp

What North American Door Corp does

North American Door Corp (NADCOR) is a private manufacturer and wholesale distributor of hollow metal doors and steel frames, headquartered and operating from a single facility at 1471 Military Turnpike in Plattsburgh, New York. Founded in the early 1990s, the company has built a 30-plus year presence in the commercial construction supply chain, serving distributors, architects, engineers, contractors, and end-users in the building products industry. Its core product line spans hollow metal doors manufactured in 14-20 gauge galvannealed steel per ASTM A653/A653M-95 ZF100 standards, welded and knock-down steel frames in 12-22 gauge, fire-rated door and frame systems certified by Underwriters Laboratories (UL) and Warnock Hersey (WH), and specialty offerings including lead-lined X-ray frames, hospital stop frames, embossed decorative doors, transom/sidelite frame assemblies, and door cores (honeycomb, polystyrene, polyurethane, fibreglass, temperature rise rated).

The company's revenue model is built on one-time product sales through distributor/reseller channels and direct export, with custom architectural and engineering configurations priced per inquiry. Sales motion runs primarily through distributor relationships, supplemented by direct contact via a toll-free line (1-800-660-3550) and email. NADCOR exports worldwide with no stated geographic restrictions, and operates a bilingual (English/Spanish) corporate website as its primary marketing surface — notably, the company has no documented social media presence, digital advertising, or content marketing footprint. Customer segments center on the U.S. construction industry (primary) with a secondary niche in healthcare facilities requiring radiation-protection and sanitary door solutions.

Operationally, NADCOR emphasizes quality, prompt delivery, reliability, professional service, and total customer satisfaction, with stated '125+ years of combined industry experience' across its personnel and engineering department. The firm maintains a vast inventory of standard stock items for rapid shipment and uses modern computerized equipment to respond quickly to specification changes. It is privately held with no disclosed institutional investors, parent company, or venture capital backing, and has recorded no funding rounds, M&A activity, leadership changes, or restructuring events in the available data.

Name

North American Door Corp

Legal name

North American Door Corp.

Website

https://nadcor.com

Company type

Private

Founded year

1990

Operating status

Operating

Headcount range

11–50 employees

Short description

North American Door Corp (NADCOR) is a private manufacturer and wholesale distributor of hollow metal doors and steel frames based in Plattsburgh, NY, supplying construction industry distributors, contractors, and healthcare facilities worldwide since the early 1990s.

Ownership category

akta.pro rank

Product category

Commercial Hollow Metal Doors and Steel Frames

NAICS

Metal Window and Door Manufacturing (332321)

SIC

Metal Doors, Sash, Frames, Moldings & Trim (3442)

akta.pro primary industry

Commercial & Industrial Doors (Sectional, High-Speed, Fire, Security) (IMADAIAF)

Keywords

• Hollow metal doors
• Steel door frames
• Fire-rated doors
• Galvannealed steel frames
• Commercial construction doors

Headquarters

HQ city

Plattsburgh

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, Infrastructure

Revenue model

1. Hollow Metal Door Sales: One-time sale of hollow metal doors to distributors and construction industry customers. Doors are available in standard sizes (1-3/4" thick, gauges 14-20) and custom configurations with various core materials, fire ratings, and hardware preparations.
2. Steel Frame Sales: One-time sale of welded or knock-down steel frames in various gauges (12-22) for standard and custom opening sizes. Frames include preparation for architectural hardware per ANSI A115 standards.
3. Custom/Architectural Products: Custom architectural and engineering applications including transom frames, sidelite assemblies, lead-lined frames, and embossed door designs for specialized commercial and residential projects.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels2 records

Core offering

North American Door Corp manufactures and wholesale-distributes hollow metal doors and steel frames made from galvannealed steel for the construction industry. Products are UL and Warnock Hersey fire-rated certified and offered in standard and custom sizes, multiple gauges, and various core materials (honeycomb, polystyrene, polyurethane, fibreglass). Specialty offerings include lead-lined/X-ray frames, embossed decorative doors, transom and sidelite frames, and temperature-rise-rated cores for institutional and healthcare facilities.

Product overview

North American Door Corp (NADCOR) manufactures a comprehensive line of hollow metal doors and steel frames since the early 1990s. The core product portfolio centers on hollow metal doors (available in 14-20 gauge with various core options) and welded or knock-down steel frames (12-22 gauge depending on door thickness). Related offerings include transom and sidelite frames for architectural customization, fire rated doors and frames certified by UL and Warnock Hersey, lead lined X-Ray frames, embossed decorative doors, and standard/custom lite cutouts. Door cores include honeycomb, polystyrene, polyurethane, fibreglass, and temperature rise rated options. All products are manufactured using galvannealed steel to ANSI A115 standards.

Differentiator

Problem solved

Functional benefit

Products and services

• Hollow Metal Doors Standard hollow metal doors with 1 3/4" (45 mm) thickness available in 14, 16, 18 and 20 gauge, manufactured from galvannealed steel with mechanically interlocked skins and beveled edges, prepared for ANSI A115 architectural hardware. Sold to distributors, architects, engineers, and construction firms for commercial and institutional buildings.
• Steel Frames (Welded or Knock-Down) Complete range of steel frames in standard and custom sizes, available in welded or knock-down construction. Frame gauges 12-18 for 1 3/4" doors and 20-22 for 1 3/8" doors, manufactured from galvannealed steel with ANSI A115 hardware preparation. Sold to construction industry distributors and contractors.
• Transom & Sidelite Frames Customizable transom and sidelite frame combinations engineered for easy assembly and architectural aesthetics, providing a seamless look for projects using basic rails and joints. Used by architects and contractors for commercial and architectural applications.
• Door Cores Various door core materials including honeycomb kraft paper (1.03 pcf), polystyrene (R6.0 thermal value), polyurethane (R11.0 thermal value), fibreglass (1.5 pcf), temperature rise rated (TRR), and steel stiffened cores, providing different insulation and fire-rating properties. Sold to door manufacturers, distributors, and construction specifiers.
• Fire Rated Doors and Frames Hollow metal doors and steel frames with fire ratings certified by UL and Warnock Hersey and tested per CAN4-S104, ASTM E-152, and NFPA 252 standards. Must be installed with equivalent fire-labelled components and approved hardware. Sold to construction industry for code-compliant commercial and institutional buildings.
• Lead-Lined Frames (X-Ray) Steel frames with lead lining for rooms containing X-ray machines or radioactive materials. Available fully lined or half-lined depending on radiation protection needs, providing radiation shielding on both or one side of the frame. Sold to hospitals, medical imaging facilities, and healthcare construction projects.
• Embossed Doors Decorative embossed door designs providing classic elegance for commercial or residential projects. Available in 20 gauge with honeycomb, polystyrene or polyurethane core, with optional steel stiffeners. Sold to architects and contractors for aesthetic commercial and residential projects.

Quantifiable outcome

• Doors available in widths from 1'-0" (300mm) to 8'-0" (2440mm) and heights from 6'-8" (2032mm) to 10'-0" (3050mm)
• +3 more outcomes

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Scale indicators4 records

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• ASSA ABLOY: Global leader in door opening solutions with multiple hollow metal and specialty door brands (including legacy Ceco in some markets). Much larger, multinational incumbent with broad product portfolio and global distribution that NADCOR competes against in export markets.
• Allegion plc: Public parent company of Steelcraft, Curries, and Ceco Door. Operates broadly across commercial door hardware, access control, and security, with hollow metal doors/frames as one segment of a much larger portfolio. Sets competitive pricing for the category.

Direct peers

• Mesker Door (Mesker Group): Long-established manufacturer of hollow metal doors and frames for commercial, institutional, and architectural applications. Direct competitor in fire-rated, custom, and standard hollow metal product lines.
• Curries (Allegion): Allegion-owned manufacturer of hollow metal doors and frames serving commercial and institutional construction. Direct overlap in product mix (hollow metal doors, frames, fire-rated systems) and customer base (architects, contractors, distributors).
• Republic Doors and Frames: Manufacturer of commercial hollow metal doors and steel frames competing in the same construction supply channel with similar UL/WH fire-rated product offerings and custom sizing capabilities.
• Ceco Door (Allegion): Another Allegion hollow metal door brand with deep overlap in standard and custom commercial steel doors, frames, and architectural products. Direct peer in product category and specification-driven sales channel.
• Amweld International: North American manufacturer of commercial hollow metal doors and steel frames serving the same non-residential construction market with similar gauge ranges, fire ratings, and distributor-based GTM.
• Steelcraft (Allegion): Allegion's flagship commercial hollow metal door and frame brand, directly competing with NADCOR in commercial/institutional hollow metal doors, frames, and fire-rated assemblies. Most direct comparable by product line and target customer.
• Overly Door Company: Specialty manufacturer of architectural, fire-rated, acoustic, and blast-resistant doors and frames. Comparable in the specialty/custom door niche where NADCOR competes with lead-lined and architectural products, particularly in institutional and government projects.
• Deansteel Manufacturing Company: Texas-based manufacturer of custom and standard steel doors and frames for commercial and institutional construction. Comparable in scale and product specialization, with similar custom-engineering capabilities.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/north-american-door-corp-

Compliance2 records

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 North American Door Corp