About Us

Our Team

Cooper preassembled stairs and prefit rail systems, custom box newels and stair parts are built at North Atlantic Corp (NAC) in Somerset, MA. NAC is a manufacturer of many fine millwork products including Captiva doors and mouldings as well as a proud distributor of Kolbe Windows and Doors, Fitts, Masonite, TruStile, WindsorOne, and many others quality brands.

At NAC, we blend high-end, custom woodworking with high-scale, assembly and distribution. Most companies do one or the other, but not both. Our ability to ship a broad range of products allows us to provide unique value to customers – we are the one-stop-shop for all the millwork products on a job.

NAC logo
Cooper Stairworks employees

Our Partners

Along with Cooper Stairworks Preassembled Stairs and Pre-fit Rail Systems we have a valuable network of suppliers that we partner with. Please browse our vendors websites for ideas that you can bring to your application then work with our talented technical representative to help you bring your vision to life.

Fitts Stairparts logo

We are a large stocking dealer of Fitts stair parts.

logo-house of forgings

We are a large stocking dealer of House of Forgings stair parts.

Prestige Metal Stair parts and Components logo

If you are looking for a unique stair, such as a mono-string beam stair, check out Prestige Metal. Along with their unique stair systems they also offer over 125 options of balusters to suit your style- from classic to contemporary and many other stair components.


Established in 1975, Custom Iron and its world class metal workers manufacture beautiful metal stairs and railings that are both functional and elegant.

Marretti Stair logo

Have a contemporary glass and iron stair in mind? Marretti Stairs offers amazing glass hanging staircases that are sure to set your project apart.

Mr. Step Gamia Spiral stair logo

No room for a traditional stair or like the modern look of a spiral? Mr. Step Gamia spiral kits are available for interior and exterior uses.

Rainbow Attic Stair logo

For the ultimate in attic stairs, we stock Rainbow Attic Stairs.

Marwin Disappearing Folding attic stairs

In stock traditional attic stairs from Marwin Company.

We are Here to Assist

Contact our technical support team at the beginning of the design phase, or as soon as possible during a remodeling project. This will allow you to maximize your technical logistic and design options. Our team of experienced stair builders, project managers, CAD operators, and stair installers will offer you invaluable expertise throughout the design and building process. Call our team at any step along the way at 508-235-4397.

When do I start?
Contact us at the beginning of the design phase, when you have the most design options available, and our expertise can be optimized. We will meet your design requirements, maintain residential and commercial safety codes, and iron out any technical logistics. Contact us as soon as possible to avoid unusual and costly framing issues and design changes.

How do I start?
Simply fill out this form with your contact information, job site address, and a copy of your first and second floor design plans where the staircase will be. Please include a side elevation or height dimensions from floor to floor. We will send you a quotation for the complete stair system with your choice, or our recommendation of balustrade system to meet your budget needs.

How do I order?

Simply approve the quotation and provide 30% production deposit if you do not have a charge account set up with us. We will finalize the details and send a contract for you to sign. A shop drawing will follow for approval. If you are within our service areas, a field technician will confirm the field dimensions on site.

If you have purchased a curved stair system we will provide the curved wall plates, curved plywood floor templates, and a positioning diagram to coordinate the fit of the stair system while framing. This allows you to complete most of the framing and wall finish prior to taking delivery of the stair and rail system.

When does the stair arrive?
Once the job is weather tight, the stair and rail system will be delivered. The stair will be wrapped with six-mil polyethylene wrap and tread guards will be applied to protect the stair from jobsite traffic. When ready the protective wrap may be turned back and the rail system unpacked and applied. Complete installation is available within service areas.

Cooper Stairworks