Established in 1987, Marblex Design International is Washington’s most experienced natural stone and quartz fabricator. For over 25 years Marblex has been serving the greater Washington D.C. metropolitan area with the with highest level of knowledge, safety, expertise, ethics, and business practices available in the industry. Marblex is the most renowned and accredited natural stone fabricator in the area. Our showroom, located in the heart of Fairfax, VA, contains one of the area’s best and largest selections of natural stone, quartz, tiles, and slabs. We have the most advanced state of the art fully digital production facility on the premises using a Digital Templating System and CNC Waterjet Fabrication Machines.



Marblex has the experience, the knowledge, and the expertise to handle any natural stone job. From granite and marble counter tops to bathrooms, custom fireplaces, and grills, there is no stone job that Marblex cannot accomplish. Over the past 25 years, Marblex has completed countless jobs in the greater Washington D.C. area and beyond. There are no boundaries to what we can do for you! At Marblex we work with our clients to make their dreams come true. We won’t stop until you are absolutely satisfied. Our professional staff will guide you through the process of design, selection, measurement, fabrication, and installation of your project. Enjoy peace of mind knowing that your stone fabricator has years of experience and a stellar reputation for personalized customer care. To see what our clients say about us, take a look at our  Marblex Testimonies from our clients to see for yourself.


MIA_AccreditedIn April 2008, MARBLEX was awarded the prestigious designation of being an Accredited Natural Stone Fabricator from the Marble Institute of America (MIA). MARBLEX is the first company in the Washington, DC metro region to hold this designation. 

This accreditation means that our customers are receiving the highest level of knowledge, safety, expertise, ethics, and business practices available in the industry. Beyond just the benefits to the customer, accreditation extends to internal practices including health and safety standards for employees, work environment, and environmental practices. MIA Accreditation for natural stone fabricators and commercial contractors recognizes those companies that meet the industry’s highest standards for business activities, product knowledge, fabrication, and installation. To earn MIA Accreditation, a company must complete an intensive, rigorous process that includes documentation of its business and employment practices, letters of recommendation, a written examination, site visits to the facility and completed jobs, and an OSHA inspection.