Windows & Doors Companies in Diamond Bar, CA

Comprehensive list of Diamond Bar, California based companies, stores, manufacturers and suppliers offering windows and doors for sale, installation, replacement and repair services.

Business Listings

Whether your priority is heat reduction, glare reduction or UV ray protection, Sol Cal can solve your problem and protect you from the damaging rays of the sun. Making your home more energy-efficient is the key to increasing your comfort while reducing the cost of heating & cooling your home.


From the valleys to the deserts to the oceanside, we guarantee the lowest price on all of our top brand name windows, doors and window treatments. Day, Evening and Weekend appointments available! Southern California's #1 dealer for windows, doors and window treatments. Save BIG on top name brand doors and windows such as Migard Windows for 55% less than competitors.


Door and Glass Unique is based on the principles of making quality products and delivering reliable services, even though diversified product selection continues to expand by following trends; improving our standard products, and listening is what we supply to all our clients. our unique services has proved itself in this industry.



Commercial Door Metal Stystems is a service oriented firm specializing in the commercial door, frame and hardware industry. The Commercial Door Metal Stystems staff of qualified sales and service specialists are always willing to aid fulfill your security requirements.


We take pride in a fine range of custom-made windows, mirrored doors and much more. The Glass Guy supplies reliable and experienced installations of all sizes. Whether you need to replace a shower door or install a custom window, call us now!


Our Warehouse & Showroom Our huge warehouse space enables us to house the biggest dealer inventory in the San Gabriel Valley. Superior Garage Door. operates from a 28,000 square foot building in San Dimas, CA. Featured is a 2,000 square foot showroom with fully operational doors and operators. The showroom makes shopping incredibly enjoyable and simple.


Quality Dock & Door. is Southern California's sales, service and installation firm delivering loading dock levelers, truck restraints, seals and shelters. Quality Dock & Door. was established on the principle of providing consumers the finest products and quality service at reasonable pricing; with skilled specialists to supply you with solutions to your tough loading dock issues.


Commercial Door Company provides over 40 kinds of doors, gates and dock equipment for industrial and commercial applications. If you do not find the door or dock equipment you're searching for, call us. We'll be pleased to stop by to take a look at your needs and supply a free quote.