Keystone Millwork & Installation Company Inc.
Keystone Millwork & Installation Company Inc.
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Commercial Millwork, Cases, and Installation

Carpentry & Millwork

At Keystone Millwork & Installation Company, we specialize in designing and manufacturing custom casework and millwork solutions to realize the vision of architects and designers. Whether it's cabinetry, countertops, doors, or shelving, we deliver high-quality craftsmanship in every project.

Expert Craftsmanship, Proven Results

The success of every project begins with the strength of the team behind it. Our leadership and dedicated craftsmen bring over a century of combined experience in commercial casework, delivering precision, reliability, and pride in every detail. From concept to completion, we’re committed to getting it right—because your project deserves nothing less.

Quality Materials

We supply Division 6 architectural woodwork crafted from premium materials, including plastic laminate casework, countertops, lockers, and benches. Our product offerings extend to solid surface, quartz, and natural stone tops, as well as select hardwoods, stained finishes, and high-performance painted surfaces. Every component is built to meet specification standards—ensuring durability, design integrity, and a refined finish across every project.

On-Time Delivery

We understand that delays can disrupt schedules and drive up costs. That’s why we prioritize efficient production and reliable timelines—ensuring your custom casework is delivered on schedule, so your project stays on track and your business keeps moving.

Customer Satisfaction Guarantee

We take pride in the quality of our work and stand firmly behind every project we complete. Your satisfaction is our priority—if your custom casework doesn’t meet expectations, we’ll work closely with you to resolve it promptly and ensure the final result aligns with your vision.

BRAND PORTFOLIO

Keystone Millwork

We manufacture the majority of our products in-house to ensure quality, precision, and control. For projects where our trusted partners are better suited to meet specific requirements, we leverage their specialized capabilities—always with a focus on delivering on time, on budget, and to specification. Regardless of the source, Keystone remains your single point of contact, ensuring a seamless experience from start to finish.


Advanced Cabinet Systems

 Advanced Cabinet Systems is one of the largest plastic laminate casework manufacturers in the United States. As a family owned and operated business, they take pride in having personal approach to customer service which cannot be offered by competitors. Their approach, along with our significant investments in manufacturing capabilities, enables ACS to be the most flexible manufacturer in the market. 

Wolf Home Products

  Wolf Home Products® is an innovator in the building products industry. Transforming homes for more than 175 years, Wolf Home Products has been the preferred home building products brand by families  
across North America who value the importance of their home and time together to build lasting memories in the spaces they enjoy most. With a vast inventory of kitchen and bath, outdoor living and building products, Wolf Home Products delivers orders in a fraction of the time, ensuring unparalleled value when and where customers need it. Wolf stands behind its service, cultivated with years of business experience into a total satisfaction guarantee. 

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