44645 Guilford Drive Suite 204

Ashburn, VA 20147

(p) 703-729-2300

(f)  703-724-1300


For over 20 years the Q.C.I. management team, led by CEO Robert Clem, has worked together to provide clients with a single source for all of their infrastructure cabling needs. Our BICSI trained and certified technicians  work seamlessly with our design engineers to implement the best solution for the job. QCI designs, installs and tests your cabling and wireless infrastructure from the ground up.


As networks evolve and speed increases, the performance of your infrastructure becomes more critical. This is why Q.C.I  installs industry leading solutions and follows the standard put forth by the ANSI/TIA/EIA and IEEE.


Q.C.I. takes advantage of the latest technology in the realm of testing. By using the top products from Fluke Networks, Ideal and Corning, we offer the peace of mind that your network is performing at the highest of standards.


Our expertise covers a wide variety of industries such as  law firms, government contractors, non-profits, universities, and federal, state, and local governments, as well as commercial campuses, data centers, and Secure Compartmentalized Information Facilities (SCIF).

Fairfax CountySiemens

Fairfax County Government 

Georgetown University 


National Institute of Standards and Technology 

Winchester Medical Valley Health Systems 

City of Rockville, Maryland 

Town of Vienna, Virginia 


Fedex Field / Redskin Park

Lockheed Martin


Presidential Savings 



State of VA, Dep. Of Forensic Science


National Archives

State of Maryland, General Assembly

Rolls Royce NAHQ

Northern Virginia Community College

John Hopkins Hospital

Fox Crofts Schools



Record Industry Association of America

The Urban Institute

Folger, Nolan and Flemming

Embassy of China

Embassy of Australia

Kaiser Permanente

United States Marshall Service

Our Clients Include :


Rolls Royce NAHQNational Rifle AssociationWinchester Medical Valley Health SystemsRedskin Fedex Field