- Cabinex FINE WALL SYSTEMS Cabinex builds quality custom cabinets for your home office, library, entertainment center, and more. Each wall system is designed to exactly what you need. We have over 1300 satisfied clients in the DC and Northern Virginia areas. We've just added a section of customer letters to our site. Read them to see what our customers think of us in their own words. Check out ...www.cabinex.com