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The Largest Portfolio of Superior Manufacturers

Manufacturers We Represent

We represent the largest portfolio of superior replacement window and door manufacturers in the SF Bay Area. The 10 we’ve selected meet our strict criteria:

  • Use of the highest quality materials available, responsibly sourced
  • Designed, engineered and manufactured to the most exacting standards possible
  • Committed to continual improvement in both product development and customer service.

We stand behind the products we sell and install. We insist they do the same for the ones they make.

Our sales team is well-versed in the features and benefits of each manufacturer’s products.

And rest assured, our installation team has been factory-trained and certified on how to properly install each, as well.


Amerimax Building Products is a U.S.-based international company with 55 production facilities, enabling a deep inventory and responsive shipping of products. The company has three decades of experience designing and building high-quality windows and doors.


Since establishment of Anderson Windows in 1903, the company has become North America’s largest manufacturer of windows and doors. Anderson, headquartered in Minnesota, adheres to a strong philosophical commitment to sustainability by minimizing its environmental footprint.


Blomberg Window Systems, established in Sacramento in 1957, is a custom manufacturer that builds all of its windows and doors by hand. Blomberg produces thermally superior aluminum windows and doors that attain exceptional U-value ratings from the National Fenestration Rating Council, a nonprofit consumer protection agency that assesses windows and doors.


Marvin Windows and Doors, which is committed to environmentally and socially sustainable business practices, is a family-owned and operated business headquartered in Minnesota. Each Marvin product is made to order, to meet your exact specifications. In fact, Marvin Windows and Doors is the world’s largest manufacturer of made-to-order wood window and door products. The Foundation for Financial Service Professionals presented its American Business Ethics Award in 2014 to Marvin Windows and Doors in recognition of the exemplary workplace and marketing standards that Marvin maintains. Learn more…

Marvin’s Integrity brand

Integrity products are available in two series: Wood-Ultrex, with a fiberglass exterior and a wood interior, and All Ultrex, constructed entirely of fiberglass. All of the high-quality Integrity products are made with Ultrex® pultruded fiberglass, a patented material that is far more durable and longer lasting than vinyl, roll-form aluminum, and other composite materials. Ultrex fiberglass, the toughest window material made, is eight times stronger than vinyl and three times stronger than vinyl-wood composites. It resists fading, chalking, peeling and cracking. The Wood-Ultrex series has earned an Energy Star “most efficient” rating. Integrity manufacturing employees take pride in their work, instilled by the company’s business ethics that earned the company distinction from
Prairie Business magazine — a 2016 award for “best places to work.”


Throughout the past half-century, Milgard Manufacturing has firmly entrenched itself as one of the nation’s foremost producers of windows and doors. A “vertically integrated” company, Milgard produces its own vinyl components, manufactures its fiberglass frames, tempers its own glass, and fabricates all vinyl windows and doors to order in order to maximize quality control. Learn more…


Pella, an innovator in windows and door manufacturing, has been awarded more than 100 product and design patents during its 90-year history. Pella produces high-quality windows of wood, fiberglass and vinyl, and the company’s exclusive “snap-in” system lets you easily switch between-the-glass shades, blinds or grille patterns whenever you want a new look.

R. Lang Co.

Lang Co. manufactures the Tru-Frame brand of garden windows, also known as greenhouse windows, in aluminum and in vinyl frames.

Sierra Pacific

Sierra Pacific Industries is a highly regarded manufacturer of wood and aluminum-clad windows and sliding and French doors. Sierra Pacific products comply with the rigorous environmental protection standards of the Sustainable Forestry Initiative and forestry regulations of California and Washington. Sierra Pacific plants more trees and grows more wood annually than it harvests, to help ensure preservation of wildlife habitat.


With seven decades of manufacturing experience and generations of satisfied customers, Simonton Windows of Ohio has ranked highest in customer-rated confidence over four consecutive years in the J.D. Power and Associates Windows and Patio Doors Satisfaction Study. Simonton Windows has earned Gold Certification, the American Architectural Manufacturers Association’s highest level of testing for thermal performance and air, water and structural integrity. Learn more…

We are not under quota to sell ever increasing numbers of one manufacturer’s product over another. We don’t have a portfolio of competitors. We have a portfolio of options. We are focused on bringing you the product choices you need to meet the requirements of your unique project. Our favorite window brand is the one that best meets your needs, now and for all the years to come.

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View All Testimonials
  • We were very impressed with the installation crew. They were diligent workers. The experience was pleasant, from Steve to Cathy...
    Virginia C., Walnut Creek
  • I am very impressed with your company. Your professional approach to the planning and administration of my window and door...
    Tom P., Oakland
  • We are quite happy with the quality of your installers and their workmanship. Their attention to details was excellent. We...
    Frank K., El Sobrante
  • Excellent in all respects. Windows look like they were originally designed for the house. Installers were pros, on top of...
    Richard B., Oakland
  • Your crew did a great job — on time, worked very hard. Cleaned up [after] themselves, polite and professional! They...
    Becky G., Point Richmond
  • I really appreciate talking with Cathy on the phone. I enjoy her consistency, follow-through, and friendly voice and manner. Also...
    Margret E., Oakland
  • The a-TaylorMade Window installers were very professional in their work and knew their products, tools and equipment. We enjoyed having...
    Russ M., Fremont
  • Love your team. The whole crew has been professional, courteous, prompt, knowledgeable, and just downright nice. We had a few...
    Kim F., Oakland
  • The installation crew was very courteous and clean. They were very considerate, especially with children.
    Hilary T., El Cerrito
  • Fast and fabulous, as usual.
    Penny W., Petaluma
  • Excellent work crew! We are very satisfied with the work done and are eager to share with the neighbors. Courteous...
    Michael F., Concord
  • The staff was very good at checking and keeping our home very clean. We are happy with the quality of...
    Isabel G., Richmond
  • Fantastic service. Very clean, professional, and on time. Great team – all very friendly and courteous. We are so happy...
    Michelle S., Alameda
  • Excellent job. The foreman and workers were outstanding and very considerate. They kept everything clean and explained everything that they...
    Elaine G., Oakland
  • Thank you. Love the windows – love the attention to detail and care with our home and our possessions.
    Kay R., Oakland
  • Thank you for making the experience such an outstanding positive. The courtesy and exemplary customer service that was provided was...
    Derek L., Albany
  • Installers were very considerate and patient with the animals in both units.
    Kathleen M., Albany
  • The experience with your company was excellent from the initial phone call, scheduling the contacts for the estimate and the...
    Shirley M., Orinda
  • This was a complicated job, but I think you’ve been able to make it work very well. The window looks...
    Gail F., Kensington
  • I love my windows. The crew was courteous and cleaned up after finishing for the day. The house was a...
    Betsy L., Piedmont
  • What a wonderful owner, office staff, crew. Everyone was so kind to me. Thank you to each and everyone of...
    Jackie H., El Cerrito
  • Great install, and those who did the install were extremely friendly. I love the new windows, and all the service...
    Christine R., San Francisco
  • Very pleasant workers. Did a great job! Bill was also great to work with and was sure that I understood...
    Wilma W., Pinole
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