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Testimonials

 

Our respected construction services have earned the praise and admiration of many Washington, DC-metropolitan clients. Our clients recognize and appreciate the way we do business, from respect for the client and efficiency on the project to professional commitment towards a quality job completion.

 

 

     "I have over 35 years of experience evaluating and watching General Contractors work. Your company is one of the best. I am particularly impressed with your ability to control costs, keep on schedule and produce high quality work."

 

                       -Charles E. Williams President and CEO of Infrastructure Management LLC

 

 

     "[Project Manager] Mr. Mitchell's knowledge of construction management, contract administration and customer service all combined to produce a high effective, professional operation here at Bolling Air Force Base."

 

                                                  -Robert C. Atkinson

Chief of Engineer Resource Management Branch Defense Intelligence Agency

Bolling Air Force Base

 

 

     "As the project manager, Mr. Mitchell did an excellent job of keeping the simplified acquisition of base engineering requirements (SABER) projects awarded by Bolling AFB on schedule."

 

                                             -Lt. Colonel Bobby W. Moore

(USAF) Chief of Operational Contracting Department of

       the Air Force, Headquarters Air Force District of Washington Bolling Air Force Base

 

 

     "I'm very pleased with your performance and your ability to get results."

 

                                                         -Bill Marriott

                                      Chairman and CEO, Marriott Corporation

 

 

     "…you have consistently shown a superior ability to handle complex and multi-    facetted client relationships.”

 

                                                     -Jack Sly Marriott

                                    Corporation Food & Services Management

 

 

     "Columbia proved to be reliable and competent and their efforts were greatly appreciated. Columbia is truly a team player."

 

                                                      -R. De Cristofaro

                           Site Manager at the Army Materiel Command Scientific

                                       and Commercial Systems Corporation

 

 

     “Columbia Enterprises Inc. proved to be diligent, competent and very reliable."

 

                                          -Mary Ann Satterthwaite

                              Superior Court of the District of Columbia

 

 
 

 

Certifications and SIC Codes

 

 

   George Washington
  University
   -Mount Vernon  College

  Department of the Army-Fort McNair, Washington, DC

  Mount Zion Church

  Potomac Village Job Corp

  Starbucks

  US Postal Service

  Knox Hill Townhouses

  Metropolitan Day School