Welcome to A.H. Wilcox & Son Inc.

A.H. Wilcox & Son Inc. is proud to be your local, independent Integrity Windows and Doors Retailer.

  • Our experts have been providing helpful advice and personalized service since 1886!
  • Five generations of family owned and operated here in Naples
  • We carry high quality materials like Integrity windows and doors that offer unparalleled innovation, superior quality and performance and unmatched design flexibility to ensure the best solution for your project.

Discover the difference with A.H. Wilcox & Son Inc. today.


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Interior prefinishes from Marvin's Elevate Collection - Clear Interior, Designer Black, Pre-Finished White


Discover the Marvin difference with rich wood interiors from their Elevate collection. Available in either white, designer black or clear, you can expect consistent quality and beautiful aesthetics from these carefully-perfected factory finishes.

From now until November 1st experience special pricing on any Marvin Elevate products with factory pre-finished interiors.


Each year, BUILDER Magazine asks professionals to weigh in on their brands of choice, from those they recognize and those they use to those they trust to perform when they need them the most. This year, Marvin and Integrity led once again in quality, and Integrity was voted the brand in its category that builders used the most.

Integrity All Ultrex Dark Interior Casement

Ultrex pultruded fiberglass, an innovative material Marvin created over 20 years ago.

One of the first premium composites on the market.  Highly durable, strong as steel, and extremely reliable and resistant to expansion and contraction, Ultrex poltruded FIBERGLASS performs as well years after installation as it does on day one.  Now, you can have Bronze or Ebony interior color finishes on All-Ultrex windows AND patio doors!  Maintain the strength and durability of Ultrex with finishes relevant to today's design trends.  Get the performance you need, with the look you want.

Tom Silva for Marvin windows
Proud Sponsor of Award-Winning PBS Television Show “This Old House”

Returning for the 2018 Season!

This Old House Marvin Sponsorship

Through our partnership, more than 50 handcrafted Marvin windows will be installed during this season’s ambitious update of the Arlington House, an early English-style Arts and Crafts home built in 1909 in Arlington, Mass. As the project unfolds, the beloved “This Old House” cast – Kevin O’Connor, Norm Abram, Roger Cook, Richard Trethewey and Tom Silva – walks viewers through an extensive renovation and remodel using carefully selected materials and products, like the Marvin Next Generation Ultimate Double Hung window, honoring the history of the home while incorporating modern design touches and amenities. Check your local listings (PBS) for showtimes to watch the project come to life.

Ultrex kid standing on fiberglass
Integrity: 20+ Years of Residential Remodeling and Replacement Experience

Integrity products can help with every unique project requirement. 

Pioneered over 20 years ago by Marvin Windows and Doors, Integrity has two distinctive series; All Ultrex® and Wood-Ultrex®. 

What makes Integrity Ultrex® Superior to other products?

  • Strength.  Ultrex® is 8x Stronger than Vinyl and 3x Stronger than Fibrex for less frame and more daylight for your rough openings.
  • Finish.  Integrity has the best finish available for no chalking, fading and long lasting dark colors.
  • Performance.  Fiberglass products have 83% LESS expansion and contraction for long lasting performance and virtually no seal failures.

Integrity products offer the sizing, performance, and configuration capabilities to meet your needs.  Contact your local dealer to get started, their knowledgeable experts can guide you through even the toughest projects.