Annandale Millwork/Allied Systems manufactures and distributes pre-hung interior and exterior doors, windows, cornice and features, trim and custom architectural millwork, and the entire framing package which consists of wall panels, floor systems, lumber and roof trusses. We also offer engineering support and top customer service.

Whether you need us to deliver an entire package of component systems, or just your roof trusses, we’ll work with you to ensure that there’s synergy between all our component systems. When we produce the building components and install the windows and doors, they’ll be installed seamlessly the first time.

We are Members of:
- SBCA (Structural Building Components Association)
- TPI (Truss Plate Institute (third-party) independent quality inspector)
- NVBIA (Northern Virginia Builders Industry Association)
– NAHB (National Association of Homebuilders)
- ABC of Metro Washington (Associated Builders and Contractors of Metro Washington)

Special Certifications:

Annandale's truss plant is: # Certified with the In-Plant
WTCA QC program.

Certified by InstallationMasters ™