About Us:

     D&E Window and Door is a full service commercial glass and glazing contractor located in Lebanon, New Jersey. With our highly skilled staff of estimators, project managers, and installers we bring 170+ years of experience. D&E manages a robust portfolio for clients throughout the Tri-State area. We pride ourselves on quality as well as professionalism on each and every project. We are distributors as well as Certified Installers for the top commercial window, curtain wall, storefront, and door manufacturers in the world. Superior quality is our hallmark, and we are capable of providing turnkey solutions to residential or commercial projects of any size.

     We’re more than just a company – we’re a team that takes genuine pride in every project we take on, treating each one as if it were our own. Our commitment to client satisfaction drives us to go above and beyond, ensuring that every detail is perfect and that the final result exceeds expectations.

     At D&E Window and Door, we specialize in the expert supply and installation of premium architectural products, including aluminum and wood doors, FRP doors, aluminum windows, storefront systems, curtain walls, and secure vestibules. We proudly serve a diverse range of clients—schools, universities, hospitals, office complexes, apartment buildings, and condominiums—delivering quality craftsmanship, reliable service, and long-lasting performance on every project.

D&E WINDOW AND DOOR IS FULLY BONDED AND INSURED.

We carry the following certifications:

  • North American Contractor Certification (NACC)

  • NJ Department of Property Management Corporation (DPMC)

  • NJ Small Business Enterprise (SBE)

  • NJ School Development Authority (SDA)

  • NJ Public Works Certified

About Us:

     D&E Window and Door is a full service commercial glass and glazing contractor located in Lebanon, New Jersey. With our highly skilled staff of estimators, project managers, and installers we bring 170+ years of experience. D&E manages a robust portfolio for clients throughout the Tri-State area. We pride ourselves on quality as well as professionalism on each and every project. We are distributors as well as Certified Installers for the top commercial window, curtain wall, storefront, and door manufacturers in the world. Superior quality is our hallmark, and we are capable of providing turnkey solutions to residential or commercial projects of any size.

     We’re more than just a company – we’re a team that takes genuine pride in every project we take on, treating each one as if it were our own. Our commitment to client satisfaction drives us to go above and beyond, ensuring that every detail is perfect and that the final result exceeds expectations.

     At D&E Window and Door, we specialize in the expert supply and installation of premium architectural products, including aluminum and wood doors, FRP doors, aluminum windows, storefront systems, curtain walls, and secure vestibules. We proudly serve a diverse range of clients—schools, universities, hospitals, office complexes, apartment buildings, and condominiums—delivering quality craftsmanship, reliable service, and long-lasting performance on every project.

D&E WINDOW AND DOOR IS FULLY BONDED AND INSURED.

We carry the following certifications:

  • North American Contractor Certification (NACC)

  • NJ Department of Property Management Corporation (DPMC)

  • NJ Small Business Enterprise (SBE)

  • NJ School Development Authority (SDA)

  • NJ Public Works Certified
A FULL-SERVICE COMMERCIAL GLASS & GLAZING CONTRACTOR
170+

Combined Years of Experience & Counting

Trusted expertise

Delivering premium window and door solutions with unmatched precision, durability, and customer-focused service.

Innovative ideas

Inspiring fresh approaches to window and door upgrades with advanced materials and expert craftsmanship.

Quality assurance

Assurance backed by expert installers, durable products, and a commitment to long-lasting performance and reliability.

New Jersey’s Leader in Commercial Window, Door & Storefront Systems

Schools & Public Sector

– Commerical Buildings

– Healthcare facilities

– Security vestibules

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1.2k

Completed Commercial projects

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100%

client satisfaction

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250k +

SQFT of Glass Installed Annually

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500+

Products & Systems Available

A trusted Tri-State leader in commercial windows, doors, storefronts, and curtain wall installations.

Where superior materials meet expert installation—delivering results that exceed expectations on every project.

quality installation

From estimating to installation, our seasoned team delivers reliable craftsmanship and exceptional project outcomes.

Quality Service

Certified installers of leading manufacturers, ensuring every system performs, protects, and lasts for decades.

100%
100%
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D&E prides ourselves in providing turnkey solutions, offering engineeringspecification writingproject management, distribution, and installation services.D&E prides ourselves in providing turnkey solutions, offering engineeringspecification writingproject management, distribution, and installation services.
NJ Department of Property Management Corporation (DPMC) – NJ Small Business Enterprise (SBE) – NJ School Development Authority (SDA) – NJ Public Works CertifiedNJ Department of Property Management Corporation (DPMC) – NJ Small Business Enterprise (SBE) – NJ School Development Authority (SDA) – NJ Public Works Certified