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The following links are provided by NFRC for informational purposes only. NFRC does not endorse, promote, recommend or otherwise encourage the use of any product or service offered by the linked entities below, nor does the absence of a link indicate, infer or imply any attempt by NFRC to discourage the use of any product or service.

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

3G Mermet (subsidiary of HunterDouglas Inc.)

A
ABC Window Contractors, Inc. Aluminum Industries Australia Pty Limited
Accurate Dorwin Ltd. American Architectural Manufacturers Association (AAMA)
Advanced Window Products American Jewel Window Systems
Air-Ins, Inc. Amerimax Building Products, Inc.
Airgas, Inc. AMSCO Windows
AL-Farooq Corporation Andersen Corporation
Alkenz USA Antamex International Inc (DOESN'T EXIST ANYMORE)
All Metal Inc.-Corporate Architectural Glass and Aluminum Co.
All Metal Inc.-Eastern Division Architectural Testing Inc. - NY(formerly ETC Laboratories, Inc.)
All Metal Inc.-European Headquarters Architectural Testing, Inc.
All Metal Inc.-Injection Molding Division Architectural Testing, Inc. - CA
All Metal Inc.-International Sales Division Architectural Testing, Inc. - MN
All Metal Inc.-Midwest Division Architectural Testing, Inc. - PA
All Metal Inc.-Southeast Division Architectural Testing, Inc. - WA
All Metal Inc.-Southwest Division Associated Laboratories, Inc.
All Metal Inc.-Tooling & Design Division Associated Materials, Inc.
All Metal Inc.-Western Division Association of Millwork DIstributors
All New Glass, Inc. Atrium Companies Inc.
Alliance to Save Energy Atrium Windows & Doors-AZ
Alside, Inc. (subsidiary of Associated Materials, Inc.) Atrium Windows and Doors - WA
ALT Cladding, inc. (formerly Enclad Inc.) Australian Fenestration Rating Council (AFRC)

B
Bekaert Specialty Films, LLC Birch Point Consulting LLC
Best Window & Door Co., Inc. Brickfield, Burchette, Ritts, & Stone, P.C.

C
California Deluxe Windows China Southern Glass Holding Company, Ltd.
California Energy Commission Ciralight Global, Inc.
Canada Windows and Doors Coastal Industries, Inc.
Capitol Windows and Doors/MI Home Products, Inc.(sub of MI Windows and Door Coeur d'alene Window Company, LLC
Cardinal Glass Industries, Inc. Comfort Line, Inc.
Caron & Guay Inc. Comfortex (subsidiary of Hunter Douglas Inc.)
Cascade Windows CoorItalia
Case Window & Door CPFilms, Inc. (subsidiary of Solutia, Inc.)
Castle Windows CPI Daylighting Inc.
Center for Sustainable Building Research CrystaLite, Inc.
Centria Custom Order Online, Inc.
CertainTeed Corporation (subsidiary of MI Windows and Doors) Custom Window Systems, Inc.
Champion Window and Patio Room Company CW Ohio, Inc.
Chelsea Building Products

D
Danvid Window Company(subsidiary of Atrium Companies, Inc.) Door & Access Systems Manufacturers Assoc. International (DASMA)
Devco Products, LLC (subsidiary of Newpro Mfg)

E
Edgetech I.G. Inc. (subsidiary of Quanex, Inc.) Enermodal Engineering of Canada
EFCO Corporation (subsidiary of Pella Corporation) Ensinger Building Products Division
Elite Solar Systems, Inc. Entech Solar
EMCO Enterprises (subsidiary of Andersen Corporation) Euro Tech Window Industries
Encompass, Inc. Euroline Windows Inc.

F
Fen-Tech, Inc. Fenplast Inc.
Fenestration Testing Laboratory Florida Solar Energy Center
Fenetres St-Paul Inc.

G
Gary Curtis Gilwin Company
General Aluminum Corp. (subsidiary of MI Windows and Doors) Glass Association of North America (GANA)
Gentek Building Products Ltd. (subsidiary of Associated Mateirals, Inc.) Glen Raven, Inc.
Gibson Millworks Group 14 Engineering
Gienow Windows & Doors Guardian Industries Corp.

H
Hanita Coatings Home-Guard Windows, Inc.
Hansons Window & Siding Company Inc. Hometime Window Inc.
Heartland Windows Manufacturing Co. Hunter Douglas, Inc.
Heschong Mahone Group Hurricane Test Laboratory, LLC
High Performance Manufacturing Corp. (MI Windows and Doors)

I
Ideal Window Manufacturing, Inc. International Window Film Association
Insulating Glass Cert. Council (IGCC) Interstate Building Materials
Insulating Glass Manufacturers Alliance (IGMA)

J
J & A Windows Inc. Johnson Laminating & Coating, Inc.
J & M Glass Company, Inc. Jones Paint & Glass, Inc.
J & S Windows Corporation Joyce Manufacturing Co.
JELD-WEN, inc.

K
K & C Industries, Inc. Kinro, Inc.
KDL Enterprises, Inc. (Western Skylights) KML Windows Inc. (subsidiary of Andersen Corp.)
Keystone Certifications, Inc. Kolbe & Kolbe Millwork Company, Inc.

L
Lawrence Berkeley National Laboratory (LBNL) Linde Electronics & Specialty Gases formerly Spectra Gases
Layton Consulting Ltd. Lindsay Window & Door
LbL Windows and Doors, Inc.(subsidiary of Cascade Windows) Lingnell Consulting Services
Les Industries Melymax, Inc. Lockheed Window Corp.
Lindal Building Products

M
Madico, Inc. Metal Window Corporation
Madison Window Products, Inc. MI Windows and Doors
Manko Window Systems, Inc. Mid-States Millwork, Inc. (Heartland Windows Manufacturing Co.)
MariTech Windows Mikron Industries, Inc. (subsidiary of Quanex, Corp.)
Marvin Windows & Doors Milgard Manufacturing, Inc.
Maxam Inc. Minnkota Windows
Mecho Shade Corporation Monda Window & Door Corp.
Mercer Industries, Inc. Mulia, Inc.

N
National Accreditation & Management Institute (NAMI) New Morning Windows
National Certified Testing Laboratories Newpro Manufacturing
National Certified Testing Laboratories - NW Noble PVC Products & Mfg. Inc.
National Institute of Building Sciences Novatech Glass, Inc.
National Vinyl, LLC NT Window Inc.
Natural Light Energy Systems

O
ODL Incorporated Oldcastle BuildingEnvelope
Old Castle Windows, Inc.(subsdiary of Oldcastle BuildingEnvelope) Oldcastle Glass, Inc.(subsidiary of Oldcastle BuildingEnvelope)

P
Pacific Gas & Electric Company (PG&E) Phifer Incorporated
Pacific Northwest National Laboratory Pilkington North America, Inc.
Paradigm Window Solutions Portes et Fenetres J.-M. Ferron Enr.
Paragon Door Designs, Inc. Professional Awning Manufacturers Assoc.
Pella Windows and Doors ProVia Door, Inc.
Peter Lyons & Associates Public Supply Company

Q
Quanex, Corp. Quantum Windows & Doors, Inc.

R
RAM Industries, Inc. Rolladen Rolling Shutters
RavenBrick LLC Royal Group Technologies (subsidiary has voting rep)
Robert Bowden, Inc. Royal Mouldings Limited
Roetzel & Andress Royal Window and Door Profiles(sub of Royal Group)
Rollac Shutter of Texas, Inc. Royal Windows Manufacturing Corp.

S
Sage Electrochromics, Inc. Somfy Systems
Sattler North America Corp. Southern California Edison
Scherer Brothers Lumber Co. Southern Window Manufacturing, Inc.
Seal Craft Corporation Southland Windows, Inc.
Seattle Dept. of Planning and Development Southwall Technologies
Serious Materials, Inc. Specialty Wholesale Supply
Seven D Industries, Inc. Sprouse Building Products
Shwinco Industries, Inc. Stork Twin City Testing
Simonton Windows Suburban Building Products
Soft-Lite Windows Sun-Tek Manufacturing Inc.
Soladigm Sunergy Consulting
Solar Energy Research Institute of Singapore(SERIS) Sunesta Products
Solar Gard Specialty Films, LLC (subsidiary of Bekaert Speciality Films) SunPine Consulting
Solaris International Inc. Sunrise Windows, LLC
Solaris Quebec Inc.(subsidiary of Solaris Quebec Inc.) Superior Metal Products Company, Inc.
Solatube International, Inc. SWITCH Materials
Solutia, Inc.

T
Technoform Tiltco, Division of Windoworld Industries Inc.
The AAAMSA Group (South African Fenestration Rating Council) Torrance Aluminum
The Gary Law Group TRACO
The Window Factory Tri-State Window Factory Corp.
The Window Shop (subsidiary of Vinylume Products, Inc.) Truseal Technologies, Inc. (subsidiary of Quanex Inc.)
Thermo-Tite Windows Turkstra Industries Ltd.
THV Compozit Windows and Doors, A Division of True Home Value, Inc. Twitchell Corporation

U
U.S. Department of Energy U.S. Department of Energy - Western Regional Office
U.S. Department of Energy (EH-53) U.S. DOE - Energy Efficiency & Renewable Energy
U.S. Department of Energy - Central Regional Office United Window & Door Manufacturing, Inc.
U.S. Department of Energy - Midwest Regional Office Unlimited, Inc.
U.S. Department of Energy - Northeast Regional Office US Environmental Protection Agency ENERGY STAR Program
U.S. Department of Energy - Southeast Regional Office

V
Valley Glass Corporation Vinylmax, LLC
VELUX-America Inc. Vinylume Products, Inc.
Ventana USA Viwinco, Inc.
Vinyl Design Corporation VOS Window & Door, Inc.
Vinylco Windows Ltd. VTech Industries
VinyLite Windows LLC

W
Walsh Building Products WinDoor Incorporated
Weather King Windows & Doors, Inc. Window and Door Manufacturer's Association (WDMA)
Western Reflections (subsidiary of ODL Inc.) Window City Industries, Inc.
WESTLab Window Covering Manufacturers Association (WCMA)
William Rygg, Consultant Window Tech Inc.
Win-Dor, Inc. Windowmaster Products (subsidiary of Jeld-Wen Inc.)
WinBuild, Inc. Wiss, Janney, Elstner & Associates

X

Y

Z