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Client Listing
Since our inception, TEI has continuously provided construction services to Federal and local government agencies, property managers/owners and General Contractors throughout the Washington DC Metropolitan area.  Our impressive portfolio of satisfied customers includes:
 
Federal Government Agencies
·        National Institute of Standards & Technology (NIST)
·        General Services Administration (GSA)
·        Department of Veterans Affairs (VA)
·    Social Security Administration (SSA)
·        National Parks Service (NPS)
·        National Building Museum (NBM)
·        National Aeronautics and Space Administration (NASA)
·        Food and Drug Administration (FDA)
·        Department of Energy (DOE)
·        Federal Bureau of Investigation (FBI)
·        Internal Revenue Service (IRS)
 
Military
·        US Department of the Army
·        US Army Corps of Engineers
·        US Coast Guard
 
State and Local Government
·        Maryland Department of Corrections
·        City of Frederick Department of Public Works (DPW)
 
Educational
·        Frederick County (MD) Public Schools
·        Loudon County (VA) Public Schools
 
Commercial/Retail
·        AutoZone
·        BB&T Bank
·        Cambrex Laboratories
·        Bechtel Power Corporation
 
Medical Facilities
·        Walter Reed Army Medical Center (WRAMC)
·        American Health Management Associates
·        Frederick Surgical Center
·        Frederick Primary Care
 
General Contractors
·        Berry Construction Co., Chattanooga, TN
·        Callas Contractors, Hagerstown, MD
·        Cindell Construction Co. Inc., Frederick, MD
·        Marona Construction Co., Colmar, PA
·        Morgan-Keller Construction, Frederick, MD
·        Rycon Construction, Inc., Pittsburgh, PA
·        The Christman Co., Alexandria, VA
·        The Dennis Group, LLC, Springfield, MA
·        Warner Construction, Frederick, MD
·        Waynesboro Construction Co., Frederick, MD
Project Highlight
NEW CARROLLTON IRS FEDERAL BUILDING

Testimonial
"The level of service that we receive from Tissa Enterprises is 'second to none.' There is no project too large or too small for them to handle. If it's important to us, then it's important to them. They have always been able to provide us with immediate response time, and the level of service that we receive is outstanding. They have always been able to provide us with immediate response time, and the task is carried out with a high level of professionalism and care. Tissa Enterprises provides honest, skilled, and reliable service."

Darrell Guyton, Vice President
Morgan-Keller Specialty Contracts Group