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WDMA members have a massive presence in North America, and you can find many of their manufacturing facilities in the navigable map below:

WDMA was formed by your peers and is guided by those who are dedicated to advancing high performing windows, doors and skylights. Our programs and services are tailored to meet your needs and those of your associates. Here’s a sample of what WDMA has to offer you:

Legislative Affairs Flier

Hallmark Certification Flier

Manufacturer Member Benefits Flier

Supplier Member Benefits Flier

Advocacy – WDMA is the only window, door and skylight association with a full team of government relations professionals in Washington representing your interests before legislators, regulators and code officials. In this challenging regulatory environment, effective representation is key to promoting, protecting and advancing the industry’s priorities.

Technical Expertise – Our team of technical experts can address topics related to standards, code & regulatory requirements, industry compliance, certification and much more.

Industry Standards – Access new and better ways to produce high performing products. Stay on top of the best practices in the industry. Maintain best of class products and operations to meet or beat the competition.

Hallmark Certification – The WDMA Hallmark Certification Program gives specifiers a method of identifying windows, doors and skylights that are manufactured in accordance with WDMA standards. It is a mark of excellence and accepted industry-wide.

Networking & Connections – Our meetings, committees and special interest groups provide excellent venues to meet with peers and discuss key issues facing the industry. WDMA membership allows you to work with the industry’s best. Joining WDMA provides you and your firm with access to the industry’s organization of leaders, and the individuals responsible for their company’s product development. It is your opportunity to cooperate with colleagues, competitors, suppliers and customers on technical issues of industry-wide importance.

Member Communications & Publications – News and information you need, when you need it to stay in touch. Delivered regularly with contacts, Web links, tips and alerts.

Market Visibility – Only members of WDMA are visible to potential customers on our website. Strategically placed, customers use the WDMA list to identify and contact manufacturers and suppliers.

Customer Credibility – When customers size up prospective manufacturers they often as if the company is involved in their industry trade association. If the answer is no, it may raise red flags. Is the manufacturer committed to learning, improving, and maintaining the absolute best products in the industry? A customer’s selection criterion frequently comes down to the intangibles. All things being equal….don not let the small things derail your sales efforts.

WDMA Legislative Affairs—Your Voice on Capitol Hill!

WDMA is the only window, door and skylight association with a Washington office and a team of lobbyists representing your interests on Capitol Hill. As we have seen in recent years, Congress is actively pursuing issues which could have a dramatic impact on whether your business thrives or struggles under the weight of onerous government mandates.

Through our OneVoice™ Advocacy Program, WDMA has a proactive National Policy Agenda which guides our efforts to promote, protect and advance the industry in Washington. Whether its been pursuing changes to the window, door and skylight tax credit, promoting consumer rebates for window, door and skylight retrofits or helping to shape national energy legislation, WDMA has been representing the interests of the industry. Further, WDMA is engaged in a wide range of legislative issues in numerous areas, including:

- Energy conservation Building Codes
- Environmental Stewardship
- Building Safety
- Housing Policy
- Product Supply
- Tax and Trade Policy
- Workforce Policy

As a member of WDMA, you have the ability to help shape the public policy agenda for the industry, whether it is through participation on WDMA committees, responding to grassroots alerts or attending our annual Legislative Conference. This is a critical time for the industry in Washington and we must all be engaged to succeed in our efforts

WDMA Industry Standards and Technical Services:

Industry Standards. As a member of WDMA, you help set the best industry standards, relating to windows, exterior doors, skylights, architectural doors, and the components and materials that go into them. You will work with others with similar views and vision to shape future codes and technical criteria for product performance. You’ll join the industry’s most knowledgeable experts in creating and implementing the industry’s innovations.

WDMA is always on the leading edge of product development, rating and recognition. WDMA standards and test methods are referenced in building codes, are required by architectural and builder specifications, and form the basis for high-performing, relevant, product rating. WDMA also participates with and influences other organizations, such as ASTM, ASHRAE, DHI and others, as those groups develop their own documents.

Technical Services. WDMA’s Technical Conference and other meeting seminars are second to none. Our programs cover production, distribution, economic, demographic technical trends and much, much more.

WDMA Hallmark Certification Program:

What is the WDMA Hallmark Certification?

The WDMA Hallmark Certification Program is a third party certification program that manufacturers and suppliers of windows, doors and skylights voluntarily participate in for added credibility, and as a mechanism for demonstrating compliance with code and regulatory performance requirements. The program consists of a series of inspections and tests to determine that products are being manufactured in the same way they were tested. The Program offers an straight forward effective means for code officials, builders, architects, specifiers and consumers with an easily recognizable means of identifying products that have been manufactured in accordance with the appropriate WDMA and other referenced performance standards. The WDMA Hallmark is considered a mark of excellence among architects, contractors and other specifiers and is accepted industry-wide.


International Recognition - The WDMA Hallmark Certification Program is recognized by the American National Standards Institute (ANSI) as an accredited certification body, by many federal agencies and building code organizations across the country.

Validation to the Code - The WDMA Hallmark Program is the vehicle to validate the performance requirements of the industry standards referenced in the building code. The WDMA Certification Program can also validate that material suppliers conform to the test protocols referenced in the North American Fenestration Standard.

State Recognition - The Hallmark Program is recognized specifically by the State of Florida for Product Certification, Quality Assurance and Product Approval Validation, and by the Texas Department of Insurance.


Ease of Implementation - Manufacturers demonstrating compliance with the appropriate standards are permitted to label their products with the trade-marked WDMA Hallmark Certification Label as well as to use the information in their product literature and product approval applications.

No Label Fees - The WDMA Hallmark Certification Program differs from other programs in a number of ways, but specifically, WDMA does not charge for label usage. WDMA allows the licensees to determine the most efficient method of label application in an effort to not disrupt the manufacturing process by dictating a specific method of label application or specific equipment that must be used.

Efficiency - Combination of inspections. WDMA combines inspections for the Hallmark Certification Program, National Fenestration Rating Council (NFRC). The inspection body also counts plant inspections for the Insulating Glass Certification Council (IGCC) and Safety Glazing Certification Council (SGCC). One inspector covers all of the programs with reduced disruption to the manufacturing process and personnel.

Credibility - WDMA has great credibility utilizing the ASNI Accredited WDMA Hallmark Certification Program to verify compliance with performance standards referenced in the building codes. WDMA Total Product Performance adds credibility to the standards development which are referenced in the building codes and validated by the WDMA Hallmark Certification Program.

New programs and services are being added each year. The ROI of your membership will be noticeable from day one. This is YOUR trade association. We look forward to serving you.

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WDMA Annual Technical Conference

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