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Congress Glass, Inc.

"Everything In Glass"

About Us

Congress Glass, Inc., located in Janesville, Wisconsin, stands as the premier window repair expert for Rock, Walworth, and Green counties. Our expertise spans a broad range of services including the installation and repair of shower doors, remediation of broken windows and seal failures, car mirror replacements, and restoration of storm and screen damage. Additionally, we cater to both commercial and residential glass and glazing needs. When it comes to comprehensive window repair solutions, rely on the trusted professionals at Congress Glass, Inc. in Janesville.

Our Story

Congress Glass, Inc. is a premier glass repair service business based in Janesville, WI, offering top-notch solutions for all your glass-related needs. Established in 1946, Congress Glass, Inc. has been a trusted name in the industry for over seven decades, serving a wide range of commercial and residential clients with exceptional service and craftsmanship.

Specializing in shower door installation and repairs, Congress Glass, Inc. takes pride in transforming your bathroom space with stylish and functional shower enclosures. Whether you're looking to upgrade your current shower doors or need repairs to fix a leak or damage, our expert technicians have the skills and experience to deliver outstanding results.

In addition to shower door services, Congress Glass, Inc. offers a comprehensive range of commercial and residential glass and glazing solutions. From storefront windows and doors to custom glass partitions, our team can handle projects of any size with precision and professionalism. We understand the importance of quality glasswork in enhancing the aesthetics and functionality of your space, and we are committed to delivering superior craftsmanship that exceeds your expectations.

At Congress Glass, Inc., we also specialize in screens, broken window and seal failure repairs, ensuring that your windows are in optimal condition and providing enhanced energy efficiency for your property. Our skilled technicians are equipped to handle all types of repairs promptly and efficiently, restoring the integrity of your windows and improving the overall comfort and security of your space.

In addition to our core services, Congress Glass, Inc. offers expertise in glass and acrylic boxes, car and residential mirrors, and polycarbonate products. Whether you need a custom-made display case, a new mirror for your home or vehicle, or durable polycarbonate materials for specific applications, we have the knowledge and resources to meet your requirements with precision and care.

At Congress Glass, Inc., customer satisfaction is our top priority. Our team is dedicated to providing exceptional service, quality products, and competitive pricing to ensure that your glass repair needs are met with the highest standards of excellence. We take the time to understand your specific requirements and preferences, offering personalized solutions that reflect your style and vision.

As a family-owned and operated business, Congress Glass, Inc. takes pride in our long-standing reputation for reliability, integrity, and professionalism. With a commitment to excellence and a passion for exceeding expectations, we strive to be the preferred choice for all your glass repair and installation needs in Janesville, WI, and beyond.

Contact Congress Glass, Inc. today to experience the difference that quality craftsmanship and exceptional service can make for your glass repair projects. Let us show you why we are the trusted name in the industry for all your shower door, glass repair, and installation needs.

Areas Served

Rock County, WI | Walworth County, WI | Green County, WI | Winnebago County, WI | Dane County, WI

Our Professional Associations

National Glass Association
Janesville Chamber of Commerce
National Federation of Independent Business (NFIB)

Our Certifications

Fully Insured and Bonded

What We Offer

Our Specialties include:

Shower Door Installation and Repairs
Commercial and Residential Glass and Glazing
Over 55 Years of Combined Experience

Our Services include:

Shields for Business - Polycarbonate Shields
Install Shower Doors
Custom Shower Door Installation
Broken Window and Seal Failure
Rescreen Screens
Storm and Screen Repair
Commercial and Residential Glass and Glazing

Our Products include:

Screens
Glass and Acrylic Boxes
Shower Doors
Heavy Glass Shower Doors
Car and Residential Mirrors
Polycarbonate
Acrylic

Testimonials

On 11/11/2025 Cathy Cline had this to say:
This was the first time that I have used Congress and they were absolutely fabulous. Professional, fairly priced, on time, just can’t say enough good things. highly recommend! Testimonial written by Cathy Cline on this site.

On 10/8/2025 Russell Steeber had this to say:
We had a stone kick up from the lawn mower which broke a window. They came out the same day, accessed the damages, and ordered a new window. When the window arrived, they installed promptly. The technician that came out was knowledgeable and friendly. They did a great job. Five stars!!!

On 4/30/2025 Jim C had this to say:
Nice people to work with and a quality product. Very happy with the shower doors at our new house. Testimonial written by Jim C on this site.

Contact Us

Congress Glass, Inc.
909 N. Parker Dr. Janesville, WI 53545
Phone: (608) 752-7888
Email: cengen@congressglassinc.com

Located North of Memorial Bridge. The Top of the Building is All Red

Where To Find Us

Payment Types Accepted

Visa, MasterCard, Discover, Personal Checks, Debit Cards

Our Hours

Holiday Hours May Vary. Please Call For Details.

Monday: 8:00 AM - 5:00 PM
Tuesday: 8:00 AM - 5:00 PM
Wednesday: 8:00 AM - 5:00 PM
Thursday: 8:00 AM - 5:00 PM
Friday: 8:00 AM - 5:00 PM

News

For over 55 years of combined experience, Congress Glass, Inc. has been proud to serve our community with top-notch glass services. 🌟 From custom shower enclosures and mirror replacements to screen repairs and commercial glazing, our family-owned business is dedicated to craftsmanship and customer satisfaction. 💎 Whether it’s your home, vehicle, or business, we’ll help you see things more clearly. 👀✨ #CongressGlass #FamilyOwned #GlassExperts #ShowerDoors #WindowRepair

FAQ

What types of shower door services do you offer?

We offer installation, repair, and upgrades for shower enclosures, focusing on both aesthetics and functionality to enhance your bathroom space.

Can you repair window and door screens?

Absolutely, our skilled technicians offer prompt and efficient screen repairs, including fixing tears and replacing damaged screens.

Which areas does Congress Glass, Inc. serve?

We proudly serve Rock County, Walworth County, Green County, Winnebago County, and Dane County in Wisconsin.