Quality Materials Suppliers

As a client, you will get high-quality materials for all your home improvement projects. G.H. Clark Contractors, Inc. vets every supplier we work with and examines their product selection for variety and quality.

As a result, you have a wide range of products to choose from, so you can build the house you envision. Also, whatever product you choose, you know that it will stay safe and functional for many years.

Take a look at some of our suppliers.



CertainTeed provides the most extensive selection of asphalt shingles in the roofing industry. In fact, they pioneered the concept of multi-layered shingles. CertainTeed is a leader in colors, too. It boasts innovative color-lending technology that gave way to vibrant red, blue, and green roofs across Maryland.

G.H. Clark Contractors is a Certified CertainTeed 5-Star ShingleMaster Company—the highest certification offered by the manufacturer.

Coastal Metal Service

Coastal Metal Service manufactures top-quality metal roofing products. Since 1991, it has been providing superior roofing materials and unparalleled customer service.


Firestone Building Products is a leader not just in roofing solutions but also in building materials. They have manufactured innovative products that maintain the structural integrity of homes and buildings. It’s also committed to sustainability and exceeds requirements for the eco-conscious building.

Everlast Metals

Everlast Metals provides high-performing metal and architectural roof and wall systems. It has earned a reputation for industry-leading structural and performance testing and innovative solutions.


Vinyl Siding Installation

Ply Gem

We offer siding options from Ply Gem’s trusted brands. Mastic siding has been the no. 1 choice among homeowners, remodelers, and builders, thanks to its durability. Variform has earned one of the highest satisfaction rates in the industry. Ply Gem Performance is known for its beautiful, long-lasting, and virtually maintenance-free options.

James Hardie™

James HardieTM manufactures the world’s highest-performing fiber cement siding, backer board, trim, and more. It has graced the sides of over 8 million homes across North America and earned praise from style-centric magazines.


ProVia has made a name by catering to homeowners who demand a high degree of customization, as well as an outstanding quality.


Viwinco is a family-owned and operated window manufacturer that provides custom-made vinyl windows, among other building materials. It boasts decades of experience in window and door manufacturing.


The Ply Gem Simonton is known for its gorgeous and energy-efficient replacement and new construction windows. The windows require low maintenance and come with leading warranties and customer support.

Gutter Colors

What You Need to Know When Buying Rain Gutters for Your House

Spectra Gutter Systems

Spectra Gutter Systems is the largest manufacturer and distributor of rainware in the U.S. and provides a wide color selection for gutter systems.

Ply Gem Mastic

Ply Gem Mastic provides vibrant colors for gutter systems. Homeowners will find a color that matches their house seamlessly.

Explore Financing Options

G.H. Clark Contractors offers three financing solutions to help you get the house you want.

Get a Free Estimate Today

Now that you have peace of mind knowing you’ll only get high-quality materials, feel free to discuss your project with our team! Contact us to get a free, no-pressure estimate in 1-3 days.

Quality Materials Suppliers