Trim A Door is partnered with some of the best manufacturers in the custom mill-work and residential building industries.

We are constantly looking at how we can deliver our premium custom millwork products to fit your exact need. To fulfill this goal we, along with our partnered manufacturers, provide one of the widest assortments of interior doors, stairs, mouldings, as well as many more home construction and fabrication materials. If you are looking for a specific style, Trim A Door has your construction project needs covered!

Our partners include some of the most well-known suppliers in the custom millwork and home building businesses including:
koetter 1

Koetter offers a variety of trim, doors, and stair parts in a wide selection of styles. Their quality woodworking is well-known and trusted throughout the custom mill-work industry and with consumers alike.

We are a stocking distributor of Koetter and have many various showroom selections. Within our selection we have bot panel and sticking options from Koetter.

masonite 1

Masonite has one of the largest varieties of style offerings across the board. We offer both solid and hollow doors in their wide selection of style.

As a stock distributor we sell directly to you, builders, or contactors.


Schlage is a cost effective, highly stylish product line. Their doors and door hardware are built with the latest, cutting edge technology.

This advanced approach that Schlage takes when creating their products ensures that you have premium, built-to-last results every time.