Portal

What Portal does

Portal, Inc. is a family-owned manufacturer of architectural aluminum building products headquartered in Avon, Massachusetts. Founded in 1972 by Richard Naisuler and his father Harry Naisuler as Portal Metal Products, the company produces a comprehensive catalog of commercial fenestration products including thermally broken window systems (250TB and 325TB series), storefront entrances, folding and sliding doors and windows, storefront framing (4400 and 4600 series), curtainwall framing (2600 and 2800 series), skylight framing (SK200, SK300, and SK400 series), custom-fabricated glass carrying racks for vans and trucks, and custom aluminum fabrication services. Products are available in painted finishes and clear or bronze anodized aluminum, with fabrication methods spanning screw spline, shearblock, and fishplate anchor techniques.

The company operates a 52,000+ sq ft manufacturing facility in Avon Industrial Park (originally built in 1973 as a 20,000 sq ft facility with a 32,000 sq ft addition completed in 1985) and employs more than 50 people. Portal's business model is B2B direct sales to glazing contractors in the greater northeast United States, with the majority of finished products delivered on the company's own truck fleet. Products are sold either fully fabricated to job-site specifications or as stock lengths for customers performing their own fabrication. Erik Naisuler has served as President since 2013, following the merger of sister company National Store Fronts Co., Inc. into the corporation. No external capital, private equity, or institutional investors have been disclosed.

Name

Portal

Legal name

Portal, Inc.

Website

https://portalincorporated.com

Company type

Private

Founded year

1972

Operating status

Operating

Headcount range

1–10 employees

Short description

Portal, Inc. is a family-owned manufacturer of commercial aluminum architectural building products including windows, storefronts, curtainwall, skylights, and entrances. The company sells directly to glazing contractors in the greater northeastern United States via its own delivery fleet.

Ownership category

akta.pro rank

Product category

Architectural Aluminum Fenestration Products

NAICS

Metal Window and Door Manufacturing (332321), Ornamental and Architectural Metal Work Manufacturing (332323), Ornamental and Architectural Metal Products Manufacturing (33232)

SIC

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

akta.pro primary industry

Architectural & Building Glazing Systems (Curtain Wall/Storefront/Canopies) (IMADAHAB)

akta.pro secondary industries

Skylights, Roof Windows & Daylighting (IMADAFAL), Access Panels, Hatches & Specialty Openings (IMADAIAJ)

Keywords

• Architectural building products
• Aluminum windows
• Storefront framing
• Curtainwall systems
• Custom fabrication

Headquarters

HQ city

Avon

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Infrastructure, Marketing or Sales

Revenue model

1. Architectural Building Products Sales: Manufacture and sale of aluminum architectural building products including windows, storefronts, entrances, curtainwall, skylights, glass racks, and custom fabrication. Products sold as fully fabricated units or stock lengths. Majority of finished products delivered on PORTAL's own trucks to glazing contractors.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Portal, Inc. manufactures and sells architectural aluminum building products including commercial windows, storefront entrances, folding/sliding doors, storefront framing, curtainwall framing, skylights, custom glass carrying racks, and custom aluminum fabrication. Products are sold as fully fabricated units or stock lengths to glazing contractors in the greater northeast United States, primarily delivered on the company's own trucks.

Product overview

Portal, Inc. is a manufacturer of architectural building products offering a comprehensive portfolio of commercial aluminum fenestration products. The product lineup includes multiple window series (250TB and 325TB) available in various configurations such as single hung, double hung, sliding, casement, and stationary windows; storefront entrances with multiple stile options; folding and sliding doors and windows; storefront framing and curtainwall systems; skylight framing in multiple series; glass racks for vehicle transport; and custom fabrication services. Products are available in various painted finishes as well as clear and bronze anodized aluminum, and are designed for commercial/glazing contractor applications primarily serving the greater northeast region.

Differentiator

Problem solved

Functional benefit

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Scale indicators4 records

Recent moves7 records

Expansion highlights4 records

Broad incumbents

• Kawneer Company: A leading North American manufacturer of architectural aluminum products including curtainwall, storefronts, entrances, and windows. Directly comparable as it competes in the same product categories as Portal (windows, storefront framing, curtainwall, entrances) but at significantly greater scale and broader geographic reach.
• Oldcastle BuildingEnvelope: One of the largest suppliers of architectural aluminum glazing systems, storefronts, curtainwall, and entrances in North America. Highly comparable product portfolio to Portal, but operates at national scale with much larger manufacturing footprint and broader product breadth.
• C.R. Laurence (CRL): Large distributor and manufacturer of architectural hardware, glazing supplies, and aluminum framing systems. Comparable distribution channel and customer base (glazing contractors) as Portal, with much broader product portfolio and national footprint.
• YKK AP America: Major manufacturer of commercial aluminum storefronts, entrances, curtainwall, and window systems. Overlaps directly with Portal's product range and serves the same glazing contractor channel, but at much larger scale and with broader geographic coverage.

Direct peers

• Wausau Window and Wall Systems: Manufacturer of commercial aluminum window, storefront, curtainwall, and entrance systems. Direct comparable peer in fenestration products targeting commercial-grade glazing projects, similar to Portal's positioning.
• U.S. Aluminum (CRL-U.S. Aluminum): Brand of C.R. Laurence that supplies architectural aluminum storefronts, entrances, curtainwall, and window framing. Comparable to Portal across all major product categories and sold through the same type of glazing contractor distribution.
• Trulite Glass & Aluminum Solutions: Fabricator of architectural aluminum storefronts, entrance doors, windows, and glass products serving commercial glazing contractors. Closely comparable in B2B fabrication model and product mix to Portal, with overlap in regional service capability.
• EFCO Corporation: Manufacturer of architectural aluminum windows, storefronts, curtainwall, and entrances for commercial construction. Direct competitor in the same B2B glazing contractor channel with comparable product categories and commercial-grade specifications.
• Tubelite Inc. Manufacturer of architectural aluminum storefront, entrance, curtainwall, and window systems serving glazing contractors. Closely comparable in product line and B2B go-to-market to Portal, with similar mid-sized manufacturer profile.

Others

• Vitro Architectural Glass: Major North American architectural glass manufacturer supplying glazing and fenestration channels. Adjacent to Portal because architectural glass is a key input to Portal's storefront, curtainwall, and window products, though Vitro is a glass supplier rather than framing competitor.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries1 record

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 Portal