• We are a small business, equal opportunity employer, established in 1995 and registered in Washington, D.C. as a Certified Business Enterprise (CBE certification # LSR36163122009).
  • We not only provide Structural Design services, but also full time Site Inspection services for:
  • Soils (rock)
  • Sheeting & shoring
  • Concrete
  • Reinforcing
  • Formwork
  • Post tensioning
  • Structural Steel
  • Facade connections
  • Stone supports
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    • Founded in 1995 by Catherine Henry AIA, President and Allyn Kilsheimer PE, Executive Vice president, KTLH has included in its portfolio, such projects as
  • Discovery Headquarters
  • Grand Hyatt
  • Institute of Peace
  • North Campus East (National Geospatial  Intelligence Agency)
  • Walter Reed at Naval Medical Center
  • Washington Headquarter Services 
  • 1000 Connecticut Avenue
  • Stoddert Elementary School
  • 8500 Leesburg Pike
  • Smithsonian Institute
  • 815 Connecticut Avenue
  • 111 K Street
  • 100 K Street
  • 1100 G Street
  • Bureau of Alcohol, Tobacco and Firearms
  • Open-ended contract with the DC Department of Housing and Community development
  • Ronald McDonald House
  • Children's Inn, Bethesda
  • National Children's Center (NCC)
  • Arena Stage
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    • We also offer peer review of structural design and design build projects and review of shop drawings.
  •   Structural steel
  •   Precast structures
  •   Post tensioned
  •   Wood structures
  •   Light gauge metal structure 

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    Solutions with Imagination

    Solutions with Imagination