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Made in Gardner MA

Specialty Wholesale Supply (SWS) is the Maki Corporation MANUFACTURING DIVISION. SWS is a leading manufacturer of quality vinyl windowsexterior doors, interior doors,  patio doors,custom millwork at the Mill Shop, metal fabrication, screen enclosures, countertops, vinyl railing, vinyl fencing, and trusses. Energy Star 6 Installation Guide

3 Building Centers

Maki Corporation has 3 Building Materials Centers located in Central Massachusetts, doing business as MAKI Building Centers in Lunenburg, Gardner &  Sterling, a rental division known as Grand Rental, a truss division known as Top Notch Truss, and Gardner Gravel.shapeorange

Founded a Half Century Ago

SWS was founded in 1969. Products can be purchased through MAKI Building Centers in Lunenburg, Gardner, Sterling or directly through the SWS manufacturing complex featuring several manufacturing plants and centrally located in Gardner, Massachusetts.

Family Owned

As a family-owned business, we strive to make your shopping experience unique, informative, and personal.  SWS caters not only to architects, builders, and contractors, but also homeowners in Central New England.doorspackaged

Project Help Available

The SWS staff enjoys working with you on your project whether your needs are large or small.

Highest Quality Standards

All SWS Products including the doors pictured at right are manufactured to the strictest standards of quality exceeding everyday the demands of contractors, architects, and homeowners.    Isn’t it time you stepped up to the quality of SWS?

Buy Direct and Save

Customers of Maki Building Centers can BUY DIRECT and save on products made in Gardner Massachusetts including quality Exterior and Interior Doors, Vinyl Windows, Patio Doors, Porch Enclosures, Vinyl Fencing, and Vinyl Railings.  SWS also templates, builds, and installs Custom Countertops.  The Mill Shed produces quality, hard-to-find custom wood moldings and custom stair treads.  Steel Shed does quality Metal Fabrication.   Top Notch Truss makes trusses for residential and commercial buildings.  Gardner Gravel provides stone, gravel, and loam for construction uses.  And Grand Rental has the finest equipment and tools available to buy or rent.

Contact Us

We are happy to work with you and want to earn your repeat business.     Contact us for more information.     Quote Request.

makigardneroverviewSWS manufactured products including windows and doors are available at our MAKI Building Centers in Gardner, Lunenburg, and Sterling.   VIEW our PHOTO GALLERY



Exceeding Standards


If  you think it…  We can make it!

swsbuildingMade in Gardner MA

SWS is located at 101 Linus Allain Avenue in Gardner Massachusetts.   Our products are located in hundreds of cities and towns in the Northeast.     Contact Us for your project whether it’s Windows, Exterior Doors, Interior Doors, Screen Enclosures, Mill work at our Mill Shop, Metal Fabrication, Countertops, Railings, Fencing, or Trusses.


bigchairCustom Millwork

The Big Gardner Chair is a tradition in SWS’s home town of Gardner Massachusetts.   The skills of the SWS Mill Work department were put to work in restoring this icon for the people of Gardner and future generations.     Is your project a challenge?   Bring it on.    We love challenges and we enjoy the smiles when we meet them whether it’s a custom stairway, unusual mouldings, or whatever.    Send us a photo and we’ll get started on a custom quote.

swsfrontIf you can think it, we can make it!

SWS really means it.   If you can think it…  We can make it!  The photo at left is a closeup of the unique window gracing the front of our building in Gardner MA.





Quality Fencing and Railings

SWS is proud to make quality fencing and railings at our Gardner Massachusetts factory facility.  We offer at least 18 varieties of fencing to suit almost any fencing need.  Our 3 varieties of railing will complement your stairway or deck.     SWS also manufactures custom countertops with many varieties of finishes and colors.   At SWS we can make almost anything in metal and we can get  you almost any type of truss.


Introducing Top Notch Truss!

Top Notch Truss Logo and BuildingTop Notch Truss is the newest division at the SWS and MAKI complex in Gardner Massachusetts.     Trusses at Top Notch Truss Gardner MAThe same company you trust to make some of the best windows and doors in America is making Top Notch Trusses.  Top Notch Truss manufactures engineered metal plate connected wood trusses for residential and commercial applications.  Top Notch Truss is the “go to place” for engineered wood products including  insulated headers, roof and floor trusses & joists, laminated  vertical lumber and i beams.  A Top Notch Truss  exceeds today’s safety requirements, exceeds customer expectations, and provides peace of mind going forward.   It’s a Top Notch Truss!   Printable One Sheet      Go to Top Notch Truss page.