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Who are NFRC Members?

NFRC members are companies or individuals who are directly involved in the development of NFRC ratings and programs. Our members are fenestration product manufacturers, suppliers, contractors, consultants, laboratories, architects, government agencies, higher education institutions, and public interest associations. Our members have a particular interest in making sure that consumers are getting the most reliable and accurate energy efficiency ratings possible form a source that they can trust.

NFRC subcommittees and committees discuss and vote on changes that impact organizations across the fenestration industry - and only NFRC members can participate in this process

Below is a current list of all NFRC members:

3M Corporation

A Window, Inc

ABC Window Contractors, Inc.

Access Magnetics, LLC

Accurate Dorwin Ltd.

Advanced Window Corp.

Advanced Window Products

AECOM Australia

Air-Ins, Inc.

All Metal, Inc

All New Glass, Inc.

All Weather Windows Ltd.

Alliance to Save Energy

ALT Cladding Inc

American Architectural Manufacturers Association

American Jewel Window Systems

Amerimax Building Products Inc

Amsco Windows

Andersen Corporation

Anlin Industries

Apogee Enterprises

Architectural Glass & Aluminum Company

Architectural Testing, Inc.

Associated Laboratories, Inc.

Associated Materials, Inc.

Association of Millwork Distributors

Atrium Companies, Inc.

Australian Fenestration Rating Council

Benson Industries

Best Window and Door Company

BGroup 3 Inc. DBA FenTech, Inc.

Birch Point Consulting, LLC

Boyd Aluminum Manufacturing

Brickfield, Burchette, Ritts, & Stone, P.C.

BuildingPhysics South Africa

C.R. Laurence Co. Ltd.

California Deluxe Windows

California Energy Commission

Cardinal Glass Industries, Inc.

Caron et Guay

Cascade Windows

Cascadia Windows Ltd.

Castle Windows

Center for Sustainable Building Research


Champion Window and Patio Rooms Company

Chelsea Building Products

China Southern Glass Holding Company, Ltd.

Coastal Industries Inc

Coeur D'Alene Window Company

Comfort Line, Inc.

Continental Window & Glass

CPI Daylighting, Inc.

Croft LLC

CrystaLite, Inc.

Custom Window Systems, Inc.

Door and Access Systems Manufacturers Association

Dunbarton Corporation

Duo-Gard Industries, Inc.

Dusco-License of Stanley Black & Decker

DW Distribution Inc.


Eastman, Performance Films Division

Element Materials Technology

Elite Solar Systems, Inc.

Enermodal Engineering, A member of MMM Group

Euroline Windows Inc.

Extreme Window & Entrance Systems

Farley Group Inc.

Fenestration Testing Laboratory

Fenetres St. Paul, Inc.

Fenplast, Inc.

Four Seasons Solar Products Corp

Gienow Windows & Doors

Gilwin Company

Graham Architectural Products

Guardian Entry Systems (Guida, Inc.)

Guardian Industries Corp.

Hanita Coatings

Harry G. Barr Company

Harvey Industries, Inc.

Heartland Windows Manufacturing Co.

HomeGuard Windows, Inc.

Hurd Windows & Doors, Inc.

Ideal Window Manufacturing

Infinite Edge Technologies, LLC

Insulating Glass Cert. Council IGCC

Insulating Glass Manufacturers Alliance (IGMA)

International Window Corporation

International Window Film Association

Interstate Building Materials

ITN Energy Systems, Inc.

J & A Windows, Inc.

J & M Glass Company Inc

J & S Windows Corporation

Jantek Industries, LLC


Johnson Laminating & Coating, Inc.

Jones Paint & Glass, Inc.

Joyce Manufacturing Co.

K & C Industries, Inc.

Kalwall Corporation

Kasson & Keller Inc.

KDL Enterprises Inc. (Western Skylights)

Keystone Certifications, Inc.

Kinro, Inc.

Kolbe & Kolbe Millwork Company, Inc.

Krestmark Industries L.P.

La Loma Doors, LLC

LaBerge Daylight

Laflamme Doors & Windows, Inc.

Lawrence Berkeley National Laboratory (LBNL)

Layton Consulting Ltd

LCG Facades

LePage Millwork

Lindal Building Products

Lindsay Window & Door

Litex, Inc.

Lockheed Window Corp.

Loewen Windows

Madico, Inc.

Major Industries

Manko Window Systems, Inc.

MariTech Windows

Marvin Windows and Doors

Masonite International Corporation

Mathews Brothers Company

Maxam Inc.

Mercer Industries, Inc.

Metal Window Corporation

MGM Industries

MI Windows and Doors

Milgard Manufacturing, Inc.

Minnkota Windows

Monda Window & Door

Nana Wall Systems, Inc.

National Accreditation & Management Institute (NAMI)

National Certified Testing Laboratories

National Institute of Building Sciences

National Vinyl, LLC

Natural Light Energy Systems

Newpro Manufacturing

Noble PVC Products & Mfg., Inc.

Northeast Building Products Corporation

Northwest Energy Efficiency Alliance

NT Window, Inc.

Oak Ridge National Laboratory


Oldcastle Building Envelope

Optimum Window Mfg. Corp.

OrePac Building Products

Pacific Northwest National Laboratory

Paradigm Window Solutions

Paramount Windows Corp.

Parco Manufacturing, Inc.

Pella Windows and Doors

Peter Lyons & Associates

PGT Industries

PHace LLC dba Accent Windows

Pilkington North America, Inc.

Plastpro, Inc.

Ply Gem Window Group

Plyco Corporation

Polaris Technologies, Inc

Pollard Windows

Portes et Fenetres LGC, Inc.

PPG Industries Inc

ProBuild Holdings

ProVia Door, Inc.

Quanex Building Products

Quantum Windows & Doors, Inc.

Quast Consulting and Testing, Inc.

RAM Industries, Inc.

Remodelers Supply Center

Reynaers Aluminum NV

Robert Bowden, inc.

Rocco Building Supplies, LLC.

Roetzel & Andress

Royal Window and Door Profiles(sub of Royal Group)

Royal Windows Manufacturing Corporation

Sage Electrochromics, Inc.

SaintGobain Solar Gard, LLC

Scherer Brothers Lumber Co.

Seal Craft

Seaway Manufacturing. Corp.

Sellmore Industries Inc

Serious Energy, Inc.

Seven D Industries, Inc.

Sierra Pacific Windows

Simonton Windows (voting rep for Fortune Brands Home and Security)

Skyreach L&S Extrusions Corp.

Soft-Lite Gorell, LLC

Solar Innovations

Solaris International, Inc.

Solatube International, Inc.

Sound Solutions Windows & Doors LLC

Southland Windows, Inc.

Specialty Wholesale Supply

Sunergy Consulting

Sunoptics Prismatic Skylights-Acuity

SunPine Consulting

Sunrise Windows Ltd

SunTek Manufacturing Inc.

Superior Metal Products Company, Inc.

Taesung Curtain Wall Co., Ltd


The AAAMSA Group

The Gary Law Group

Thermolite, Inc.

THV Compozit Windows and Doors

Tiltco Division of Windoworld Industries, Inc.


Tri-State Window Factory Corp.

Tucker Door & Trim

United Window & Door Manufacturing, Inc.


Vector Windows


VELUX-America Inc.

Ventana USA

Ventana USA

View, Inc.

Vinyl Design Corporation

Vinyl Window Designs, Ltd.

Vinylmax LLC

Vinylume Products, Inc.

Vista Window Company, LLC

Vitrocsa USA Division of Goldbrecht USA

Viwinco, Inc.

Vtech Industries

Vytex Corporation

Wallside Windows

Walsh Building Products


Wasco Products, Inc.

Wausau Window & Wall Systems

Weather King Windows & Doors, Inc.

Weather Shield Manufacturing, Inc.

West Window Corporation

Western Windows


William Rygg Consultants

WinBuild, Inc.

Wincore Window Company, LLC

WinDoor Inc

Win-Dor, Inc.

Window and Door Manufacturers Association (WDMA)

Window City Industries, Inc.

Window Covering Manufacturers Association

Window Technologies, Inc.


Windsor Windows and Doors

Wiss, Janney, Elstner Associates

YKK AP America, Inc.

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