About Us

Family-owned and operated since 1980, United Plate Glass specializes in all types of residential & commercial glass. 
Meet Our Team

About United Plate Glass

We Are UPG

Family-owned and operated since 1980, at United Plate Glass, we have over 40 years of experience in commercial and residential glass installation and repair from our location in Sunbury, Pa.

What We Do

Specializing in installing and repairing commercial building glass and windows, we have the expertise and craftsmanship needed to complete any commercial or residential glass project – large or small. You can trust us to deliver expert work with the highest quality materials – on time.

Commercial Glass Installation

We ensure seamless commercial building glass installation through our proven process that ensures timely project completion.


Our estimating team quotes a project, troubleshoots problems and makes suggestions to make the installation as seamless as possible.

Coordination & Communication

Our project management team takes it from there, sorting out the details and communicating throughout the project to ensure on time completion.


Once details are in place, the installation team combines their training and experience to install the commercial glass.

Ensure Longevity

After installation is complete, our project management team submits warranty, cleaning, protection, and other operational documents.

We ensure seamless commercial building glass installation through our proven process that ensures timely project completion.

Low-Maintenance and Self-Cleaning Glass Options for Commercial Buildings

Residential Glass Installation

Seamless frameless shower glass installation meets unmatched customer service. If you can dream it, we can create it with our proven process that guarantees your vision will last for years to come.


We meet with you to actualize your vision, leveraging years of experience to customize a beautiful frameless shower to your space and budget.


After we decide on the frameless shower design that matches your vision, we carefully bring it to life with our combined knowledge, expertise and attention to detail.


With incomparable service, and quality materials, we install your shower with longevity in mind, using durable glass and hardware.

Having a beautiful frameless glass shower does not mean you have to sacrifice durability. Enjoy your shower for years to come when you work with our experts who help you every step of the way.

UPG Also offers smaller custom glass jobs such as mirrors, shelves, tabletops, and more.

Good People. Installing Trust. On Time

At United Plate Glass, we live by our values, ensuring integrity, attention to detail, and craftsmanship not only in the work that we do, but also in our team members.

Under the continued leadership of CEO David Zartman, President Nate Lawrence, and the entire team; we have over 150 years of combined experience in commercial and residential glass installation and repair. We pride ourselves on having the expertise to ensure our work is durable and lasting, while making customer satisfaction our number one priority. Reliable, flexible, and transparent, we work hard to earn your trust.

The UPG promise: customer satisfaction and a commitment to on-time work completion using only the highest quality materials.

Meet the Team

Only the Best

Knowledgeable & Professional

We have the knowledge, experience, and skill you need to get your project completed on time and on budget. Our team will work tirelessly to earn your trust and handle your project with the utmost integrity.

We Prioritize Safety

When you have contractors on your job site, it’s important to know they prioritize safety. The UPG team has a safety record of 3 years and counting with zero incidents.

We Only Use Quality Materials

We believe in quality craftsmanship – that’s why we only use the highest quality materials in our work. We value integrity and we respect our customers. We get the job done correctly the first time & on time.

Years Established
Completed Projects

Some of Our Clients


NEW! Vinyl
Windows & Sliding
Doors for Your Home

United Plate Glass is proud to announce our expansion of residential services. Introducing high-quality vinyl windows and sliding doors, we continue to bring our expertise and craftsmanship to homeowners, now in more ways than ever.
Learn more